2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY...

102
FUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM SECTION This service manual has been prepared to provide SUBARU service personnel with the necessary information and data for the correct maintenance and repair of SUBARU vehicles. This manual includes the procedures for maintenance, disassembling, reas- sembling, inspection and adjustment of components and diagnostics for guid- ance of experienced mechanics. Please peruse and utilize this manual fully to ensure complete repair work for satisfying our customers by keeping their vehicle in optimum condition. When replacement of parts during repair work is needed, be sure to use SUBARU genuine parts. All information, illustration and specifi- cations contained in this manual are based on the latest product information available at the time of publication approval. WIRING SYSTEM WI

Transcript of 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY...

Page 1: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX

WIRING SYSTEM SECTION

This service manual has been preparedto provide SUBARU service personnelwith the necessary information and datafor the correct maintenance and repairof SUBARU vehicles.This manual includes the proceduresfor maintenance, disassembling, reas-sembling, inspection and adjustment ofcomponents and diagnostics for guid-ance of experienced mechanics.Please peruse and utilize this manualfully to ensure complete repair work forsatisfying our customers by keepingtheir vehicle in optimum condition.When replacement of parts duringrepair work is needed, be sure to useSUBARU genuine parts.

All information, illustration and specifi-cations contained in this manual arebased on the latest product informationavailable at the time of publicationapproval.

FUJI HEAVY INDUSTRIES LTD.

WIRING SYSTEM WI

G1870GE7

Page 2: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEM

WI

Page

1. Basic Diagnostics Procedure ......................................................................32. Working Precautions .................................................................................143. Power Supply Routing...............................................................................154. Ground Distribution ...................................................................................295. Airbag System...........................................................................................476. Air Conditioning System............................................................................537. Anti-lock Brake System .............................................................................658. AT Control System ....................................................................................719. Audio System ............................................................................................83

10. Charging System.......................................................................................8711. Combination Meter....................................................................................8912. Cruise Control System ..............................................................................9713. Engine Coolant Temperature Gauge System .........................................10014. Engine Electrical System ........................................................................10215. Fuel Gauge System ................................................................................17716. Full-Time Dual-Range System ................................................................17917. Front Accessory Power Supply System ..................................................18118. Headlight Beam Leveler System.............................................................18219. Horn System ...........................................................................................18320. Immobilizer System.................................................................................18421. Keyless Entry System .............................................................................18822. Back-up Light System .............................................................................19723. Clearance Light and Illumination Light System .......................................19824. Front Fog Light System...........................................................................21025. Headlight System ....................................................................................21326. In Compartment Light System.................................................................21527. Stop Light System ...................................................................................21928. Turn Signal Light and Hazard Light System............................................22029. Oil Pressure Warning Light System ........................................................22430. Outside Temperature Display System ....................................................22631. Parking Brake and Brake Fluid Level Warning System ..........................22832. Power Window System ...........................................................................23033. Radiator Fan System ..............................................................................23834. Rear Fog Light System ...........................................................................24035. Rear Window Defogger System..............................................................24236. Remote Controlled Rearview Mirror System...........................................24437. Seat Belt Warning System ......................................................................24638. Seat Heater System ................................................................................25039. Security System ......................................................................................25140. Starter System ........................................................................................25341. Sunroof System.......................................................................................25542. Wiper and Washer System (Front)..........................................................25643. Wiper and Washer System (Rear) ..........................................................258

Page 3: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEM

44. Intercooler Water Spray System .............................................................26045. Driver’s Control Center Differential Control System................................26246. Rear Differential Oil Temperature Warning Light System .......................26647. Harness Components Location...............................................................26848. Front Wiring Harness ..............................................................................27049. Bulkhead Wiring Harness (In Engine Room) ..........................................27450. Bulkhead Wiring Harness (In Compartment) ..........................................28251. Engine Wiring Harness and Transmission Cord .....................................28852. Instrument Panel Wiring Harness ...........................................................29453. Rear Wiring Harness, Bulkhead Wiring Harness, Roof Cord and Fuel Tank Cord .............. 29854. Door Cord................................................................................................30455. Rear Wiring Harness and Trunk Lid Cord ...............................................30856. Rear Wiring Harness and Rear Gate Cord .............................................310

WI-2

Page 4: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

1. Basic Diagnostics ProcedureA: BASIC PROCEDURES1. GENERALThe most important purpose of diagnostics is to de-termine which part is malfunctioning quickly, tosave time and labor.

2. IDENTIFICATION OF TROUBLE SYMP-TOMDetermine what the problem is based on symptom.

3. PROBABLE CAUSE OF TROUBLELook at the wiring diagram and check system’s cir-cuit. Then check the switch, relay, fuse, ground,etc.

4. LOCATION AND REPAIR OF TROUBLE1) Using the diagnostics narrow down the causes.2) If necessary, use a voltmeter, ohmmeter, etc.3) Before replacing certain component parts(switch, relay, etc.), check the power supply,ground, for open wiring harness, poor connectors,etc. If no problems are encountered, check thecomponent parts.

5. CONFIRMATION OF SYSTEM OPERA-TIONAfter repairing, ensure that the system operatesproperly.

B: BASIC INSPECTION1. VOLTAGE MEASUREMENT1) Using a voltmeter, connect the negative lead to agood ground point or negative battery terminal andthe positive lead to the connector or component ter-minal.2) Contact the positive probe of the voltmeter onconnector (A).The voltmeter will indicate a voltage.3) Shift the positive probe to connector (B). Thevoltmeter will indicate no voltage.

4) With test set-up held as it is, turn the switch ON.The voltmeter will indicate a voltage and, at thesame time, the light will come on.5) The circuit is in good order. If a problem such asa lamp failing to light occurs, use the proceduresoutlined above to track down malfunction.

2. CIRCUIT CONTINUITY CHECKS1) Disconnect the battery cable or connector sothere is no voltage between check points.Contact the two leads of an ohmmeter to each ofthe check points.If the circuit has diodes, reverse the two leads andcheck again.2) Use an ohmmeter to check for the diode continu-ity. When contacting the negative lead to diodepositive side and positive lead to negative side,there should be continuity.When contacting the two leads in reverse, thereshould be no continuity.

3) Symbol “❍—❍” indicates that continuity existsbetween two points or terminals. For example,when a switch position is “3”, continuity existsamong terminals 1, 3 and 6, as shown in table be-low.

WI-00094

To power FUSEsupply

Switch Light

V

(A) (B)

WI-00095

Continuity No continuity

WI-00096

Terminal

Switch Position

OFF

1

2

3

4

1 2 3 4 5 6

WI-3

Page 5: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

3. HOW TO DETERMINE AN OPEN CIR-CUIT1) Voltmeter Method:An open circuit is determined by measuring thevoltage between respective connectors and groundusing a voltmeter, starting with the connector clos-est to power supply. The power supply must beturned ON so that current flows in the circuit. If volt-age is not present between a particular connectorand ground, the circuit between that connector andprevious connector is open.

2) Ohmmeter method:Disconnect all connectors affected, and check thecontinuity in wiring between adjacent connectors.When the ohmmeter indicates “infinite”, the wiringis open.

4. HOW TO DETERMINE A SHORT CIR-CUIT1) Test lamp method:Connect a test lamp (rated at approx. 3 watts) inplace of the blown fuse and allow current to flowthrough the circuit. Disconnect one connector at atime from the circuit, starting with the one locatedfarthest from power supply. If the test lamp goesout when a connector is disconnected, the wiringbetween that connection and next connector (far-ther from the power supply) is shorted.

2) Ohmmeter method:Disconnect all affected connectors, and check thecontinuity between each connector and ground.When the ohmmeter indicates continuity between aparticular connector and ground, that the connectoris shorted.

Open circuit or wiring

No voltage is present

Voltage is present

V V

WI-00097

Open circuit

Continuity does not exist.Continuity exists.

WI-00098

Shorted wiring

Test lamp

Fuse holder

WI-00099

Shorted connector

Continuity does not exist.Continuity exists.

WI-00100

WI-4

Page 6: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

C: HOW TO READ WIRING DIAGRAMS1. WIRING DIAGRAMThe wiring diagram of each system is illustrated so that you can understand the path through which electriccurrent flows from battery.Sketches and codes are used in the diagrams. They should read as follows:• Each connector and its terminal position are indicated by a sketch of the connector in a disconnected statewhich is viewed from front.

• The number of poles or pins, presence of a lock, and pin number of each terminal are indicated in thesketch of each connector. In the sketch, the highest pole number refers to the number of poles which con-nector has. For example, the sketch of connector shown in the figure indicates the connector has 9 poles.

Viewed from this direction

4

2

4

1

3

WI-00101

WI-00102

Connector used in vehicleSketch Symbol Number of poles

Numbered in order from upperright to lower left.

Numbered in order from upperleft to lower right

Connector shown in wiring diagram

Double framesIndicates a lock is included.

Indicates the number of poles.

4 3 2 1

9 8 7 6 5

Indicates a lock is included.

Single frame

1 2 3 4

5 6 7 8 9

WI-5

Page 7: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

• When one set of connectors is viewed from thefront side, the pole numbers of one connector aresymmetrical to those of other. When these two con-nectors are connected as a unit, the poles whichhave the same number are joined.

• Electrical wiring harness:The connectors are numbered along with the num-ber of poles, external colors, and mating connec-tions in accompanying list.• The sketch of each connector in the wiring dia-gram usually shows (A) side of the connector. Therelationship between wire color, terminal numberand connector is described in figure.

NOTE:A wire which runs in one direction from a connectorterminal sometimes may have a different color fromthat which runs in the other direction from that ter-minal.

• In wiring diagram, connectors which have no ter-minal number refer to one-pole types. Sketches ofthese connectors are omitted intentionally.

• The following color codes are used to indicatethe colors of the wires used.

1 12 23 3

4 45 56 6

WI-00107

WI-00108

Wire color :BR (No. 1 terminal)RW (No. 3 terminal)

i2

3 41 2

BRRW

i2F4

13

(A)

WI-00109

BB

B15F10

Color code Color

L Blue

B Black

Y Yellow

G Green

R Red

W White

Br Brown

Lg Light green

Gr Gray

P Pink

Or Orange

Lb Light Blue

V Violet

SA Sealed (Inner)

SB Sealed (Outer)

WI-00110

YL 2YG 1

SB10YL9

YG8

SA 1

SB22

SA20

YG

YLSB

SBSA

WI-6

Page 8: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

• The wire color code, which consists of two letters(or three letters including Br or Lg), indicates thestandard color (base color of the wire covering) byits first letter and stripe marking by its second letter.

• The table lists the nominal sectional areas andallowable currents of wires.

CAUTION:When replacing or repairing a wire, be sure to use the same size and type of wire which was originally used.

NOTE:• The allowable current in the table indicates toler-able amperage of each wire at an ambient temper-ature of 40°C (104°F).• The allowable current changes with ambienttemperature. Also, it changes if a bundle of morethan two wires is used.

• Each unit is directly grounded to the body or indi-rectly grounds through a harness ground terminal.Different symbols are used in the wiring diagram toidentify the two grounding systems.

• The ground points shown in the wiring diagramrefer to the following:

NOTE:All wiring harnesses are provided with a groundpoint which should be securely connected.

• Relays are classified as normally-open or nor-mally-closed. The normally-closed relay has one ormore contacts.

Nominal sectional area

No. of strands/ strand diameter

Outside diameter of finished wiring

Allowable current Amps/40°C (104°F)

mm2 mm

0.3 7/0.26 1.8 7

0.5 7/0.32 2.2 (or 2.0) 12

0.75 30/0.18 2.6 (or 2.4) 16

0.85 11/0.32 2.4 (or 2.2) 16

1.25 16/0.32 2.7 (or 2.5) 21

2 26/0.32 3.1 (or 2.9) 28

3 41/0.32 3.8 (or 3.6) 38

5 65/0.32 4.6 (or 4.4) 51

8 50/0.45 5.5 67

WI-00111

BlackMarking color :

Y B

Reference color : Yellow

WI-00112

Direct ground Indirect terminalground

B

WI-00113

: Body ground

: Engine ground

: Radio ground

GB

GE

GR

WI-7

Page 9: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

The wiring diagram shows the relay mode when energizing circuit is OFF.

WI-00114

Relay type

4-pole

6-pole

4-pole

6-pole

Normally-open type

Normally-closed type

Mixed type

Key to symbols:

: Current flows.

: Current does not flow.

Energizing circuit OFF Energizing circuit ON

WI-8

Page 10: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

• Each connector number shown in the wiring dia-gram corresponds to that in wiring harness. The lo-cation of each connector in actual vehicle isdetermined by reading the first character of theconnector (for example, a “F” for F8, “i” for i16, etc.)and type of wiring harness.The first character of each connector number refersto the area or system of the vehicle.

Symbol Wiring harness and cord

F Front wiring harness

B Bulkhead wiring harness

E Engine wiring harness

T Transmission cord, Rear oxygen sensor cord

DDoor cord LH & RH, Rear door cord LH & RH, Rear gate cord

i Instrument panel wiring harness

RRear wiring harness, Fuel tank cord, Roof cord, Trunk lid cord

AB Airbag wiring harness

F23

F98F21

F58

F100F5

F27

F47

F34F19

F22

F96

WI-00115

Each connector number shown in wiring diagram corresponds to that in the vehicle.

F19

FRONT TURN SIGNAL LIGHT LH (UPPER)

BG2

B1

F22

FRONT TURN SIGNAL LIGHT LH (LOWER)

BG3

B2

(GRAY)F3

(GRAY)F19

1 2

WI-9

Page 11: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

D: SYMBOLS IN WIRING DIAGRAMSA number of symbols are used in each wiring diagram to easily identify parts or circuits.

WI-00116

LR

LW RL

3 7 2 5

MAIN FUSE BOX (M/B)

MB

-11

MB

-10

F39

P-SUP-02B

P-SUP-02A

P-SUP-02C

No

.3 1

0A

No

.9 1

5A

No

.8 1

5A

SB

F-1

100

A

HEAD-LIGHTRELAYRH

HEAD-LIGHTRELAYLH

G

P-SUP-04D

H/L

(2L

)-01

RL

LW GR

LB

MB-10M/B FUSE NO. 8

MB-11M/B FUSE NO. 9

FB-16F/B FUSE NO. 11

(IG)

MB-5HEADLIGHT

RELAY

TO POWER SUPPLY ROUTING

LW 4

R 3

YL

LW

R

YL2

YB1

RY2

LW2

R1

YL3

P

PP 17

LW B1

R A1

F44

F45

F23

F7 B61

B62

R3 B99

B

REF. TO GND-02

RL2

R1

YL3

B71

B112

LY8

RY7

YB

B

LY

17

16

13

DIMMER & PASSINGSWITCH

UP LOW PASS

HF

HU

HL

E

SMJ

LB

H1

B36

SMJ

DIODE

R4

PARKING BRAKESWITCH

LIGHTING SWITCH

OFF

HC

TC

EL

HEADLIGHT LH

LOW

HIGH

HEADLIGHT RH

LOW

HIGH

REF. TO FOG(H4)-01

REF. TO FOG(H6)-01

REF. TO ST(MT)-01

REF. TO ST(AT)-01

B51A:B52C: F41G:

FB

-37

D4

D7

BG

D11

A2

WR

G4

BL

G1

BR

D10

FB

-35

FB

-34

1 2 34 5 6 7

1 2 34 5 6 7 8

Lg

B

Or

FUSE &RELAY BOX (F/B)

i5B:

B51A:

B152D:

B52C:

B158E:

F41G:

F40F:

FB

-36

A3

BG

G7

No

.5 1

0A

(GRAY)

P-SUP-03H

P-SUP-03F

P-SUP-04KP-SUP-04J

No

.1 2

0A

No

.2 1

5A

SB

F-6

30A

LR

2

R3

L1

R3

BW

2

W

SB

F-2

50A

SB

F-3

50A

SB

F-4

50A

F36 F38F68

P-SUP-04E

P-SUP-04MP-SUP-04L

P-SUP-03I

P-SUP-04G

1 2 3 45 6 7 8

F44B112

1 2 F23

12

3

(BLACK)

F7 (BLACK)

RELAY

DIODE

GROUND

CONNECTOR-1

CONNECTOR-2

CONNECTORSKETCH

FUSE No. & RATING

POWER SUPPLYROUTING

SMJ

WIRE TRACINGON EXTENDEDWIRING DIAGRAMS

SYMBOLS OFWIRECONNECTIONAND CROSSING

Example

WI-10

Page 12: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

1. RELAYA symbol used to indicate a relay.

2. CONNECTOR-1The sketch of the connector indicates one-poletypes.

3. WIRING CONNECTIONSome wiring diagrams are indicated in foldouts forconvenience. Wiring destinations are indicatedwhere necessary by corresponding symbols (aswhen two pages are needed for clear indication).

4. FUSE No. & RATINGThe “FUSE No. & RATING” corresponds with thatused in fuse box (main fuse box, fuse and jointbox).

5. CONNECTOR-2• Each connector is indicated by a symbol.• Each terminal number is indicated in the corre-sponding wiring diagram in an abbreviated form.• For example, terminal number “G4” refers to No.4 terminal of connector (G: F41) shown in the con-nector sketch.

6. CONNECTOR SKETCH• Each connector sketch clearly identifies theshape and color of a connector as well as terminallocations. Non-colored connectors are indicated innatural color.• When more than two types of connector numberare indicated in a connector sketch, it means thatthe same type connectors are used.

7. GROUNDEach grounding point can be located easily by re-ferring to the corresponding wiring harness.

8. DIODEA symbol is used to indicate a diode.

9. WIRE TRACING ON EXTENDED WIRING DIAGRAMSFor a wiring diagram extending over at least twopages, a symbol (consisting of the same characterswith arrows), facilitates wire tracing from one pageto the next.A ←→ A, B ←→ B

10.SYMBOLS OF WIRE CONNECTION AND CROSSING

11.POWER SUPPLY ROUTINGA symbol is used to indicate the power supply ineach wiring diagram.“MB-5”, “MB-6”, etc., which are used as power-supply symbols throughout the text, correspondwith those shown in POWER SUPPLY ROUTINGin the wiring diagram.Accordingly, using the POWER SUPPLY ROUT-ING and wiring diagrams permits service personnelto understand the entire electrical arrangement of asystem.

12.CLASSIFICATION BY SPECIFICATIONWhen the wiring diagrams differ according to vehi-cle specifications, the specification difference is de-scribed by using abbreviations.

WI-00117

Symbol

Symbol Refers to wires which arecrossed but not connected.

Refers to wires which areconnected and branchedat the dot point.

WI-11

Page 13: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

E: CONNECTOR SYMBOL IN WIRING HARNESSMain symbols of connector (in wiring harness) are indicated in below.

Female

Male

Water prooftype

Standard type

WI-02445

Female

Male

Pole: From 1 to 8 Pole: From 9 to 20 Pole: More than 21

Pole: From 1 to 8 Pole: From 9 to 20 Pole: More than 21

WI-12

Page 14: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMBasic Diagnostics Procedure

F: ABBREVIATION IN WIRING DIA-GRAMS

Abbreviation Full name

ABS Antilock Brake System

ACC Accessory

A/C Air Conditioning

AD Auto Down

AT Automatic Transmission

AU Auto Up

+B Battery

DCCD Driver’s Control Center Differential

DIFF Differential

DN Down

E Ground

F/B Fuse & Joint Box

FL1.5 Fusible link 1.5 mm2

IG Ignition

Illumi. Illumination

LH Left Hand

Lo Low

M Motor

M/B Main Fuse Box

MG Magnet

Mi Middle

OP Optional Parts

PASS Passing

RH Right Hand

SBF Slow Blow Fuse

ST Starter

SW Switch

UP Up

WASH Washer

WI-13

Page 15: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMWorking Precautions

2. Working PrecautionsA: PRECAUTIONS WHEN WORKING

WITH THE PARTS MOUNTED ON THE VEHICLE

1) When working under a vehicle which is jacked-up, always be sure to use safety stands.2) The parking brake must always be applied dur-ing working. Also, in automatic transmission mod-els, keep the select lever set to P (Parking) range.3) Be sure the workshop is properly ventilatedwhen running the engine. Further, be careful not totouch the belt or fan while the engine is operating.4) Be careful not to touch hot metal parts, especial-ly the radiator and exhaust system immediately af-ter the engine has been shut off.

B: PRECAUTIONS IN TROUBLE DI-AGNOSIS AND REPAIR OF ELEC-TRIC PARTS

1) The battery cable must be disconnected frombattery’s (−) terminal, and the ignition switch mustbe set to OFF position, unless otherwise requiredby the diagnostics.2) Securely fasten the wiring harness with clampsand slips so that the harness does not interfere withbody end parts or edges and bolts or screws.3) When installing the parts, be careful not to catchthem on the wiring harness.4) When disconnecting a connector, do not pull thewires, but pull while holding the connector body.

5) Some connectors are provided with a lock. Onetype of such a connector is disconnected by push-ing the lock, and the other, by moving the lock up.In either type the lock shape must be identified be-fore attempting to disconnect the connector.

To connect, insert the connector until it snaps andconfirm that it is tightly connected.

6) When checking continuity between connectorterminals, or measuring the voltage across the ter-minal and ground, always contact tester probe(s)on terminals from the wiring connection side. If theprobe is too thick to gain access to the terminal, use“mini” test leads.To check water-proof connectors (which are not ac-cessible from the wiring side), contact test probeson the terminal side being careful not to bend ordamage terminals.

7) Sensors, relays, electrical unit, etc., are sensi-tive to strong impacts.Handle them with care so that they are not droppedor mishandled.

WI-00118

Correct

Wrong

WI-00119

Example

LIFT

LIFT

PUSH

PUSH

PUSH

WI-00120

Tester probes "Mini" test leads

WI-14

Page 16: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

3. Power Supply RoutingA: WIRING DIAGRAM1. LHD MODEL

P-S

UP

(L)-

01

P-S

UP

(L)-

01

WI-02233

MAIN FUSE BOX (M/B)

FUSE & RELAY BOX (F/B)

No. 2

No. 7

No. 9No. 6No. 1

No. 13

No. 14

No. 15

No. 16

No. 17

No. 18

No. 19

No. 7

No. 8

No. 9

No. 10

No. 11

No. 12

No. 1

No. 2

No. 3

No. 4

No. 5

No. 6

No. 4

No. 5

No. 3

No. 8

H/LrelayRH

FWD SWITCHMAIN FAN20A

SUB FAN20A

Hornrelay

SUBFAN

RELAY-2

SBF-2

SBF-7

A/CRELAY

MAINFAN

RELAY-2

MAINFAN

RELAY-1

SUBFAN

RELAY-1

SBF-8 SBF

-5SBF-6

SBF-3 SBF-4SBF-1

H/LrelayLH

WI-15

Page 17: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

P-S

UP

(L)-

02

P-S

UP

(L)-

02

WI-02234

LR

LR

LW RL

BW21

3 7 2 5

GENERATOR

MAIN FUSE BOX (M/B)

BATTERY

SB

F-8

ALT

MB

-1

MB

-2

MB

-3

F39

(BLACK) (BLACK) (BLACK)F35 (GREEN)F26 F34 F39

F26

F34

12

1 2 3 12

34

1 2 3 45 6 7 8

F25

F35

W

W

W

SBF HOLDER

30AW2

WR4

1

2

P-SUP(L)-03B

P-SUP(L)-03A

P-SUP(L)-03C

No

.3 1

0A

No

.9 1

5A

No

.8 1

5A

SB

F-1

80A

HEAD-LIGHTRELAYRH

HEAD-LIGHTRELAYLH

RW

P-SUP(L)-05D

CURRENT FROM IGNITION SWITCH IG TERMINAL

CURRENT FROM IGNITION SWITCH ACC TERMINAL

OTHER CURRENTS

BATTERY CURRENT

WI-16

Page 18: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

P-S

UP

(L)-

03

P-S

UP

(L)-

03

WI-04535

P-SUP(L)-04J

P-SUP(L)-02 A

P-SUP(L)-04L

P-SUP(L)-05GP-SUP(L)-05H

No

.5 1

5A

No

.7 2

0A

No

.1 2

0A

No

.2 1

5A

SB

F-6

30A

MB

-5

MB

-11

MB

-10

MB

-12

MB

-9

MB

-6

MB

-7

HORN RELAY

MAIN FUSE BOX (M/B)

BL

4

W2

YR

6

G5

BR

1

WR

4

WL

1

LR

2

R3

RG

4

L1

R3

BW

2

W

F36 F68 (BLACK)

1 2 3

3 41 2 1 2 3 4

5 6 7 8

F37 (BLACK) F39

41 2 3

65

SB

F-5

30A

SB

F-2

50A

SB

F-3

50A

SB

F-4

50A

P-SUP(L)-02 C

P-SUP(L)-02 B

F39 F37 F36 F38F68

P-SUP(L)-05EP-SUP(L)-05F

P-SUP(L)-04I

P-SUP(L)-05K

No

.4 1

0A

No

.6 1

5A

MB

-8

MB

-13

MB

-4

WI-17

Page 19: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

P-S

UP

(L)-

04

P-S

UP

(L)-

04

WI-02236

(BROWN) (GRAY)B51A: F40F:

FB

-4A

2

A3

BG

D11 F4

LR

F9

WR

F8

R

E8

D4

Lg

BG

4

RY

G1

RY

D10 B3

A6

LR

C6

B2

VC

7

A1

WR

E5

BR

D12 D2

BW

FB

-6

FB

-7

FB

-10

FB

-9

FB

-14

FB

-12

FB

-13

RL

D1

B4

L

FB

-15

FB

-16

GB

C5

FB

-17

B1

FB

-18

GB

G3

1 2 34 5 6 7 8

1 2 3 45 6 7 8 9

1 2 3 4 56 7 8 9 10

B158 R79E:

B271B:

B152D:

1 2 3 4 56 7 8 9 10 11 12

GLg

B

Or

TAIL & ILLUMI- NATION RELAY

FUSE &RELAY BOX (F/B)

No

.18

15A

B271B:

B51A:

B152D:

B52C:

B158E:

F41

R3R79 B99

G:

F40F:

FB

-5

D7

BG

G7

No

.5 1

0A

No

.12

10A

REARDEFO-GGERRELAY

GO

rG

2F

B-1

9

B7

FB

-20

GO

rC

1

No

.17

15A

GR

D5

FB

-21

FB

-22

GY

A5

No

.11

15A

No

.6 1

5AC

4

FB

-23

RA

4

P-SUP(L)-03 IP-SUP(L)-03 LP-SUP(L)-03 J

P-SUP(L)-05MF

B-2

FB

-3

FB

-1

(BLUE)

(BLUE)

LR13LR10

TRAILERCONNECTOR

1 2 3 46 7 8 9

510

B99

2 3 6 74 5 8 92019181716151413

112

1021 22

1123 24

B52C:

F41G:

1 2 34 5 6 7

(GRAY)

WI-18

Page 20: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

P-S

UP

(L)-

05

P-S

UP

(L)-

05

WI-04431

P-SUP(L)-03 E

P-SUP(L)-03 K

P-SUP(L)-04 M

W 2 W

F46

B62

WL 1 WL

F45

B108

B72

IGNITION SWITCH

IGNITION RELAY

No

.13

10A

W 1 B

Y 2

G 4

WB 3

B225

B271

FUSE &RELAYBOX (F/B)

B:

B51A:

B152D:

B52C:

B158E:

F41

B72

(BLUE)

(BLUE)(BLACK)

(GRAY)

(BLACK)

(BLUE) (BROWN) (GRAY)

RELAY HOLDER

G:

F40F:

B271B:

B51A:

B152D:

B52C: B158

B225

E:

F41G:

F40F:

WL 10

G 13

B 11

GW 9

ACC

ACCOFF

IG

ST

ON ST

No

.3 1

5A

No

.1 1

5A

No

.2 1

5A

No

.7 1

5A

No

.8 2

0A

No

.16

20A

No

.19

20A

No

.10

10A

No

.4 2

0A

No

.9 1

5A

No

.15

30A

No

.14

10A

B11

GE

1

BW

F6

RF

3

LF

2

YE

7

YE

9W

RE

4F

B-2

5

WG

FB

-24

FB

-26

FB

-27

FB

-29

F1

YB

E2

YG

B9

C3

YR

B6

B8

LR

C2

RW

E10

LYE

3

RY

G5

RL

D9

RW

D6

WB

D8

F7

E6

A8

D3

FB

-30

FB

-31

FB

-32

FB

-33

REF. TO GND-02

ST

FB

-34

FB

-35

FB

-28

P-SUP(L)-03 FP-SUP(L)-03 GP-SUP(L)-03 H

1 23 4 1 2 3

4 5 6 7

1 2 3 4 56 7 8 9 10

1 2 3 4 56 7 8 9 10

11 12

1011 12 13

14 15 161718

1920

21 22 23

24 25 262728

2930

31 32 33

34 35 363738

1 2 34 5 6 7 8

1 2

93 4

5 6

7 8

1 2 3 45 6 7 8 9

F46

1212

F45

2 3 6 74 5 8 92019181716151413

112

1021 22

1123 24

P-SUP(L)-02 D

RW

RW

IG

FB

-36

GW

WI-19

Page 21: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

No. Load

MB-1 Air conditioning relay holder

MB-2 Combination meterHeadlight RH

MB-3 Headlight LH

MB-4 Horn

MB-5 Cruise control sub switchHorn switch

MB-6 Hazard switchKey warning switch

MB-7 Driver’s control center differential control mod-uleDriver’s control center differential relayTransmission control module

MB-8 Diode (With rear fog light model)Lighting switch

MB-9 Data link connectorEngine control moduleFuel pump relayImmobilizer control moduleMain relay

MB-11 Fuse (Seat heater)

MB-12 Power window circuit breaker

MB-13 Relay holder

SBF-8 ABS control module

IG Hazard switchPower window relay

ST Engine control moduleInhibitor switch (AT)Starter motor (MT)

FB-1 Hazard switchRear turn signal light RHTrailer connectorTurn signal switch

FB-2 Hazard switchRear turn signal light LHTrailer connectorTurn signal switch

FB-3 Parking switch

FB-4 Front turn signal light RHSide turn signal light RH

FB-5 Front turn signal light LHSide turn signal light LH

FB-6 Front clearance light LHFront clearance light RH

FB-7 License plate lightTail light LHTail light RHTrailer connector

FB-9 Auto A/C control moduleCombination meterKeyless entry control moduleLuggage room light (Wagon)RadioRoom lightSpot lightTrunk room light (Sedan)

FB-10 Bright switchCombination meterFront fog light relayFront fog light switchHeadlight leveling switchIllumination lightRear fog light relayRear fog light switch

FB-12 Parking switch

FB-13 Engine control moduleLighting switch

FB-14 Parking switch

FB-15 Mirror heater relayRear defoggerRear defogger switch

FB-16 Engine control moduleRear defogger timer

FB-17 ABS relayBack-up light switch (MT)Check connectorCruise control actuatorCruise control main switchCruise control moduleInhibitor switch (AT)Seat belt timerVehicle speed sensor (MT)

FB-18 Headlight leveler LHHeadlight leveler RH

FB-19 Air conditioning relaySub fan relayPressure switch (A/C)

FB-20 AUTO A/C control moduleBlower motor relayMode control panelRear defogger timer

FB-21 Driver’s control center differential control mod-uleDriver’s control center differential relayEngine control moduleFuel pump relayIgnition coil and ignitorImmobilizer control moduleTransmission control module

FB-22 Airbag control module

FB-23 Airbag control module

FB-24 Rear washer motor

FB-25 Rear wiper intermittent moduleRear wiper motor

FB-26 Front washer motorFront wiper motorFront wiper switch

FB-27 Auto A/C control moduleRadio

FB-28 Front accessory power supply socketRemote controlled rearview mirror switchIntercooler water spray switchIntercooler water spray timerSeat heater relay

No. Load

WI-20

Page 22: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

FB-29 Rear fog light relay

FB-30 Mirror heater relay

FB-31 Stop light switch

FB-32 ABS control module

FB-33 Front fog light relay

FB-34 Blower motor relay

FB-35 Keyless entry control module

FB-36 Combination meter

No. Load

WI-21

Page 23: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

2. RHD MODELP

-SU

P(R

)-01

P-S

UP

(R)-

01

WI-02238

MAIN FUSE BOX (M/B)

FUSE & RELAY BOX (F/B)

No. 2

No. 7

No. 9No. 6No. 1

No. 13

No. 14

No. 15

No. 16

No. 17

No. 18

No. 19

No. 7

No. 8

No. 9

No. 10

No. 11

No. 12

No. 1

No. 2

No. 3

No. 4

No. 5

No. 6

No. 4

No. 5

No. 3

No. 8

H/LrelayRH

FWD SWITCHMAIN FAN20A

SUB FAN20A

Hornrelay

SUBFAN

RELAY-2

SBF-2

SBF-7

A/CRELAY

MAINFAN

RELAY-2

MAINFAN

RELAY-1

SUBFAN

RELAY-1

SBF-8 SBF

-5SBF-6

SBF-3 SBF-4SBF-1

H/LrelayLH

WI-22

Page 24: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

P-S

UP

(R)-

02

P-S

UP

(R)-

02

WI-02239

Y

Y LW RL

BW21

3 7 2 5

GENERATOR

MAIN FUSE BOX (M/B)

BATTERY

SB

F-8

MB

-1

MB

-2

MB

-3

F39

(BLACK) (BLACK) (BLACK)F35 (GREEN)F26 F34 F39

F26

F34

12

1 2 3 12

34

1 2 3 45 6 7 8

CURRENT FROM IGNITION SWITCH IG TERMINAL

CURRENT FROM IGNITION SWITCH ACC TERMINAL

OTHER CURRENTS

BATTERY CURRENT

F25

F35

W

W

W

SBF HOLDER

30AW2

WR4

1

2

P-SUP(R)-03B

P-SUP(R)-03A

P-SUP(R)-03C

No

.3 1

0A

No

.9 1

5A

No

.8 1

5A

SB

F-1

80A

HEAD-LIGHTRELAYRH

HEAD-LIGHTRELAYLH

P-SUP(R)-05DF45

GR GR5

B62

F45

1 2 3 4 5 6 79 1110 12 13 14 15 16 17

818

GR

ALT

WI-23

Page 25: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

P-S

UP

(R)-

03

P-S

UP

(R)-

03

WI-02240

P-SUP(R)-02 A

P-SUP(R)-04K

P-SUP(R)-05GP-SUP(R)-05H

No

.5 1

5A

No

.7 2

0A

No

.1 2

0A

No

.2 1

5A

SB

F-6

30A

MB

-5

MB

-11

MB

-10

MB

-12

MB

-9

MB

-6

MB

-7

HORN RELAY

MAIN FUSE BOX (M/B)

BL

4

W2

YR

6

G5

BR

1

W4

WL

1

LR

2

R3

RG

4

L1

R3

BW

2

W

B143 B186 (BLACK)

1 2 3

3 41 2 1 2 3 4

5 6 7 8

B144 (BLACK) F39 (BLACK)

41 2 3

65

SB

F-5

30A

SB

F-2

50A

SB

F-3

50A

SB

F-4

50A

P-SUP(R)-02 C

P-SUP(R)-02 B

F39 B144 B143 B145B186

P-SUP(R)-05EP-SUP(R)-05F

P-SUP(R)-04IP-SUP(R)-05J

No

.4 1

0A

No

.6 1

5A

MB

-8

MB

-13

MB

-4

LR10 LR25

B99R3R79

TRAILER CONNECTOR

1 2 3 46 7 8 9

5

R79

10 219

32

B99

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

WI-24

Page 26: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

P-S

UP

(R)-

04

P-S

UP

(R)-

04

WI-02241

(BROWN) (GRAY)B51A:B52C:

F41G:

B159F:

FB

-4A

2

A3

BG

D11 F4

F9

W

F8

R

E8

D4

Lg

BG

4

WR

G1

WR

D10 B3

A6

C6

V

B2

A1

C7

WR

E5

BR

D12 D2

BW

FB

-6

FB

-7

FB

-10

FB

-14

FB

-12

FB

-13

RL

D1

B4

L

FB

-15

FB

-16

GB

C5

FB

-17

B1

FB

-18

GB

G3

1 2 34 5 6 7

1 2 34 5 6 7 8

1 2 3 45 6 7 8 9

1 2 3 4 56 7 8 9 10

B158E: B271B:

B152D:

1 2 3 4 56 7 8 9 10 11 12

GLg

B

Or

TAIL & ILLUMI- NATION RELAY

FUSE &RELAY BOX (F/B)

No

.18

15A

B271B:

B51A:

B152D:

B52C:

B158E:

F41G:

B159F:

FB

-5

D7

BG

G7

No

.5 1

0A

No

.12

10A

REARDEFO-GGERRELAY

GO

rG

2F

B-1

9

C1

FB

-20

GO

rB

7

No

.17

15A

GR

D5

FB

-21

FB

-22

RA

5

No

.11

15A

No

.6 1

5AC

4

FB

-23

Or

A4

P-SUP(R)-03 IP-SUP(R)-03 K

P-SUP(R)-05L

FB

-2

FB

-3

FB

-1

(GRAY)

(BLUE)(BLUE)

WI-25

Page 27: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

P-S

UP

(R)-

05

P-S

UP

(R)-

05

WI-04536

P-SUP(R)-03 E

P-SUP(R)-03 J

P-SUP(R)-02 D

P-SUP(R)-04 L

B72

IGNITION SWITCH

IGNITION RELAY

No

.13

10A

W 1 B

Y 2

G 4

WB 3

B225

B271

FUSE &RELAYBOX (F/B)

B:

B51A:

B152D:

B52C:

B158E:

F41

B72

(BLUE)

(BLUE)

(GRAY)

(BLUE) (BROWN) (GRAY)

RELAY BLOCK

G:

E159F:

B271B:

B51A:

B152D:

B52C: B158E:

F41G:

B159F:

WL 38

G 36

B 34

GW 37

ACC

ACCOFF

IG

ST

ON ST

No

.3 1

5A

No

.1 1

5A

No

.2 1

5A

No

.7 1

5A

No

.8 2

0A

No

.16

20A

No

.19

20A

No

.10

10A

No

.4 2

0A

No

.9 1

5A

No

.15

30A

No

.14

10A

B11

GE

1

BW

F6

RF

3

LF

2

YE

7

YE

9Y

LE

4F

B-2

5

FB

-26

FB

-27

FB

-29

F1

YB

E2

YG

B9

C3

YR

B6

B8

LR

C2

RW

E10

LYE

3

RY

G5

RL

D9

RW

D6

WB

GR

D8

F7

GW

E6

A8

D3

FB

-30

FB

-31

FB

-32

FB

-33

FB

-36

REF. TO GND-07

ST

FB

-34

FB

-35

FB

-28

P-SUP(R)-03 FP-SUP(R)-03 GP-SUP(R)-03 H

1 23 4 1 2 3

4 5 6 7

1 2 3 4 56 7 8 9 10

1 2 3 4 56 7 8 9 10

11 12

1011 12 13

14 15 161718

1920

21 22 23

24 25 262728

2930

31 32 33

34 35 363738

1 2 34 5 6 7 8

1 2

93 4

5 6

7 8

B225

1 2 3 45 6 7 8 9

IG

(BLACK)

(BLACK)

WI-26

Page 28: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

No. Load

MB-1 Air conditioning relay holder

MB-2 Combination meterHeadlight RH

MB-3 Headlight LH

MB-4 Horn

MB-5 Cruise control sub switchHorn switch

MB-6 Hazard switchKeyless entry control moduleKey warning switchSecurity control module

MB-7 Driver’s control center differential control mod-uleDriver’s control center differential relayTransmission control module

MB-8 Diode (With rear fog light model)Lighting switch

MB-9 Data link connectorEngine control moduleFuel pump relayImmobilizer control moduleMain relay

MB-10 Auto A/C Control moduleCombination meterIgnition switch illumination lightKeyless entry control moduleLuggage room light (Wagon)RadioRoom lightSecurity control moduleSecurity relaySpot lightTrunk room light (Sedan)

MB-11 Fuse (Seat heater)

MB-12 Power window circuit breaker

MB-13 Relay holder

SBF-8 ABS control module

IG Hazard switch

ST Engine control moduleInhibitor switch (AT)Security relayStarter motor (MT)

FB-1 Hazard switchRear turn signal light RHTrailer connectorTurn signal switch

FB-2 Hazard switchRear turn signal light LHSide turn signal light LHTrailer connectorTurn signal switch

FB-3 Parking switch

FB-4 Front turn signal light RHSide turn signal light RH

FB-5 Front turn signal light LH

FB-6 Front clearance light LHFront clearance light RH

FB-7 License plate lightTail light LHTail light RHTrailer connector

FB-10 Bright switchCombination meterFront fog light relayFront fog light switchHeadlight leveling switchIllumination control moduleIllumination lightRear fog light relayRear fog light switch

FB-12 Parking switch

FB-13 Engine control moduleLighting switch

FB-14 Parking switch

FB-15 Mirror heater relayRear defoggerRear defogger switch

FB-16 Engine control moduleRear defogger timer

FB-17 ABS relayBack-up light switch (MT)Check connectorCruise control actuatorCruise control main switchCruise control moduleInhibitor switch (AT)Power window relayRear defogger timerSeatbelt timerVehicle speed sensor (MT)

FB-18 Headlight leveler LHHeadlight leveler RH

FB-19 Air conditioning relayPressure switchSub fan relay

FB-20 AUTO A/C control moduleBlower motor relayMode control panelDouble lock control module

FB-21 Driver’s control center differential control mod-uleDriver’s control center differential relayEngine control moduleFuel pump relayIgnition coil and ignitorImmobilizer control moduleSecurity control moduleTransmission control module

FB-22 Airbag control module

FB-23 Airbag control module

FB-25 Rear washer motorRear wiper intermittent moduleRear wiper motor

No. Load

WI-27

Page 29: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMPower Supply Routing

FB-26 Front washer motorFront wiper motorFront wiper switch

FB-27 Auto A/C control moduleRadio

FB-28 Front accessory power supply socketRemote controlled rearview mirror switchIntercooler water spray switchIntercooler water spray timerSeat heater relay

FB-29 Rear fog light relay

FB-30 Mirror heater relay

FB-31 Stop light switch

FB-32 ABS control module

FB-33 Front fog light relay

FB-34 Blower motor relay

FB-35 Double lock control moduleKeyless entry control module

FB-36 Combination meter

No. Load

WI-28

Page 30: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

4. Ground DistributionA: WIRING DIAGRAM1. CHASSIS GROUND LHD MODEL

GN

D-0

1

GN

D-0

1

WI-04432

F4

F22

F58

D7

D5

B176

F45 B62

F17

F16

F21

: NON-TURBO ENGINE MODEL

: TURBO ENGINE MODEL

NA

TB

B

GB-1 GB-2

B1

B

B3

B4

B

B 2

B 2

B1

B 14

B 6

GND-02A

MAIN FAN MOTOR(TURBO ENGINE MODEL)

6

POWER WINDOWMAIN SWITCH

REARVIEW MIRROR(DRIVER SIDE)

SUB FAN MOTOR(TURBO ENGINE MODEL)

FRONT TURN SIGNALAND CLEARANCE LIGHT LH

FRONT TURN SIGNALAND CLEARANCE LIGHT RH

F54

B 1

SIDE TURN SIGNALLIGHT LH

MAIN FAN MOTOR(NON-TURBO ENGINE MODEL)

SUB FAN MOTOR(NON-TURBO ENGINE MODEL)

KEYLESS ENTRYCONTROL MODULE

POWER WINDOW RELAY

INTERCOOLER WATER SPRAY SWITCH

FRONT FOG LIGHT LH

F27

B35FWD SWITCH

B160

B195

B 3

B 5FRONT FOG LIGHT SWITCH

REAR FOG LIGHT SWITCH

BB

F17 (GRAY)

3 41 2

D7

1 2 38 9 10

411 12 13 14 15 16

5 6 7

B

1B

F17

F7 (GRAY)

1 2

RELAY BLOCK

B225

1011 12 13

14 15 161718

1920

21 22 23

24 25 262728

2930

31 32 33

34 35 363738

1 2

93 4

5 6

7 8

F4 (BLACK)

F22 (BLACK)2 1

F16 (BLACK)

(BLACK)

NA

3

B

B30

D1F59

6HEADLIGHT LEVELER RH

HEADLIGHT LEVELER LH

11

B225

B16

MODE CONTROL PANEL(MANUAL A/C)

B168

B6

B294

B2

KEYLESS ENTRYREGISTRATION CONNECTOR

B184

B

B176

2 3 4 5 6 71 8 9 1011 12 13 14 15 16 17 18

F54

1 2

3 41 2

5 6

(GRAY)

B294

B195

1 23 4 5 6

D5

3 2 18 7 6 5 4

B

B

5

B

:

B

B 6

B 2

(GRAY)

F45

1 2 7 8 95 63 4 10 1112 19 20 2113 14 15 16 17 18 22 23 24

F7

2HEADLIGHT RH (LOW-BEAM)

B

F23

2HEADLIGHT LH (LOW-BEAM)

B

1

B

F16

4

B

F17

4

F23

F21 (BLACK)

(GRAY)

NA :

F16 (GRAY)

(GRAY)F59

1 34 5 6

2

(GRAY)F58TB :

TB :

B160

D1

5 6 7 821

943

10

2422 23 25

11 12 13 14 1516 17 18 19

20 21

1 2 3

B

B3B1

B168

1 2 3 45 6 7 8 9 10

RELAY HOLDER

F27

10111312

89

5 71 2

3 4

6

14

20212322

1819

15 1716

24

30313332

2829

25 2726

34

35

36

WI-29

Page 31: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

GN

D-0

2

GN

D-0

2

WI-04433

B70

B225

B119

B267

B120 B116

B32

B296

B8

B16

B208

B284

B264

B79

B225

GB-5

B

B

B2

B2

B1

B

B 2

3

B 3

B8

B1

B2

B

GND-03B

COMBINATION SWITCH (WIPER)

TURN&HAZARD MODULE

B

B

FRONT DOOR SWITCH (DRIVER SIDE)

B7 3RADIO AT SELECT LEVER

REAR DEFOGGER TIMER

FRONT WIPER MOTOR

COMBINATION SWITCH (LIGHTING)

FRONT ACCESSORYPOWER SUPPLY SOCKET

MIRROR HEATER RELAY

B283B:

B B12

B 4

AUTO A/CCONTROL MODULE

POWER MODE ANDSNOW MODE SWITCH

B44

B 3SEAT BELT TIMER

B77

B 2MODE ACTUATOR

REMOTE CONTROLLEDREARVIEW MIRROR SWITCH

ABS RELAY

BRAKE FLUID LEVELWARNING SWITCH

GLOVE BOXILLUMINATION LIGHT

CHECK CONNECTOR

B129

B1KICK DOWN SWITCH

IGNITION RELAY

B B20

B12

B4INHIBITOR SWITCH (AT)

B268

B29

B1

B3

B47

B 1MAIN RELAY

B46

B 3

2

FUEL PUMP RELAY

B293

AIR MIX ACTUATOR

FRONT DOOR SWITCH(PASSENGER SIDE)

AWD-LO SWITCH

B296

3 41 2

B29

B208

1 2

B

B71

16

2

3

B

GB-4

B

B16

12

B12

1 2 3 45 6 7 89 10 11 12

B284

1 3 4 56

27 8 9 10

B47 (BROWN)

3 41 2

5 6

12

B129

12

B70

2 3 64 5 71 8 911 12 1513 14 1610 17 18

GND-01 A

B71

2 3 4 5 6 71 89 10 11 12 13 14 15 16 17

B

6

B339

B4

DRIVER'S CONTROLCENTER DIFF MODE SWITCH

B

B8

1 34 5

2

B283

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

B133

B339

1 34 5 6

2

31

B116

1 23 4 5 6B120

1 2 3 4 5 67 8 9 10 11 12 13 14

11

RELAY BLOCK (BLACK)

1011 12 13

14 15 161718

1920

21 22 23

24 25 262728

2930

31 32 33

34 35 363738

1 2

93 4

5 6

7 8

B225

GND-03C

i10

B C6OrW C9

B B27

COMBINATION METER

B 2CLOCK

B:

i11C:i59

OrW 2HAZARD SWITCH

i22

B18BOrW17B

B37 i2

B 4

B132

B 8HEADLIGHT LEVELING SWITCH

3

12

B268

B293B267

B77

B44

1 2 3 45 6 7 8 9 10

(BLACK)(BLACK)

(BLACK)

(GRAY)

(GRAY)

B32

1 23

1124

i2

2 3 6 74 5 8 92019181716151413

112

1021 22 23

(GREEN)

(BLUE)

(BLUE)

B46

B264B119

3 41 2

(RED)

(GREEN)

1 2 3 6 7 8 9 10

i11C:

4 5

1 2 3 4

i59

(GREEN)B:

B:

i10

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

B133

B 6

B225

B34SEAT HEATER RELAY

1

B286

INTERCOOLER WATER SPRAY TIMERB

B286

(GRAY)B79

1 2 3 4 5 6 78 9 10 11 12 13 14

i22

1 2 3 45 6 7 8

B132

WI-30

Page 32: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

B169

B1

ABS CONDENSOR

GN

D-0

3

GN

D-0

3

WI-04434

B

4

GND-04 D

B275

B4

FAN CONTROL AMP.(AUTO A/C)

D15

B

REARVIEW MIRROR(PASSENGER SIDE)

R8

R22

R122

R52

R56

B

B3

SEAT BELT SWITCHROOM LIGHT

SPOT LIGHT

R58

B4FUEL PUMP ASSEMBLY

REAR DOOR SWITCH LH

R19

B1

HI-MOUNTED STOPLIGHT (SEDAN)

B

2

3

FUEL PUMP CONTROL MODULE

R16

B3

5

REAR DOOR SWITCH RH

GND-02 B

R19

121

GB-7

R16

R22

123

R57

R15

BB

4

R1B97

BB

R67

R46

BW

B2

D11

B101

BB

1

B

B

R50

B90

BB

3

R56

1 2

R8

12

R52

1 2 3

R122

1 2 3 45 6 7 8 9 10

B97

B303

1 2 3 45 6 7 8

D11

2423222120

6521 43

7 8 9

25

1413121110 15181716 19

D15

3 2 18 7 6 5 4

6

B 36B 37B 38B 39B304

B2

BLOWER FAN SWITCH(MANUAL A/C)

BY

3B

W4

B1

B2

B5

GB-9

B198

B306

BY 1FRONT FOG LIGHT LH

B305

BY 1

SIDE TURN SIGNALLIGHT RH

B301

BW 23

ABS CONTROLMODULE

B303

B289

BW 6

ABS SHIELD JOINTCONNECTOR

DRIVER'S CONTROLCENTER DIFFCONTROL MODULE

GND-02 C

R130

B1

REAR DEFOGGERCHOKE COIL (SEDAN)

B304

B306

1 2

R46 B198

1 2 3 4 5

B305

1 2

1

R130

1212

R58

1 34 5 6

2

B301 (BLACK)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22

27 28 29 30 3123 24 25 26

R42

B 3SEAT HEATER SWITCH RH

R44

B 1SEAT HEATER LH

R43

B 3SEAT HEATER SWITCH LH

R41

B 1SEAT HEATER RH

R145

R159

B 4

INTERCOOLER WATERSPRAY MOTOR

B

REAR DIFFERENTIAL OILTEMPERATURE SENSOR

BW

1

R41

R15

3 41 2

B275

B90

R145

R44

R43

R42

GB-6

B B

(BLACK)

(BLACK)

(GRAY)

B169

41 2 3

65(BLUE)

(BLUE)

(BLUE)

B289

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

WI-31

Page 33: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

GN

D-0

4

GN

D-0

4

WI-04537

R26

R28

B

GB-8

B

GR

B2 B 8

B2

GND-05 E

R79

B 7

REAR COMBINATIONLIGHT RH (WAGON)

REAR COMBINATIONLIGHT LH (WAGON)

REAR COMBINATIONLIGHT RH (SEDAN)

R63

B 1

LICENCE PLATE LIGHT

TRAILER CONNECTOR

R27R26

B 2B4

TRUNK ROOM LIGHTSWITCH (SEDAN)

REAR COMBINATIONLIGHT LH (SEDAN)

R28

B4 2

R116

B

REAR WIPER INTERMITTENT MODULE(WAGON)

GND-03 D

B120

1 2 3 4 5 67 8 9 10 11 12 13 14

11

GB-4

B

27

W

GB-5

W28

RADIO SRS HARNESS

B120 AB3

R27

2 1

: WAGON

: SEDAN

WG

SD

R28:

: R26

1 34 5 6

2

SD

SD

B

RADIO

B121

1 2 3 45 6 7 8

R116WG

WG

2 16 5 4 3

R28

R26:

:

1 2 3 46 7 8 9

5

R79

10

(YELLOW)

(BLACK)

AB3

1 2 3 4 5 67 8 9 10 11 12 13 14 15 16 1718 19 20 21 22 23 24 25 26 27 28

R63

2 1

WW

WI-32

Page 34: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

GN

D-0

5

GN

D-0

5

WI-04538

REAR DEFOGGER(WITH CHOKE COIL)

D48

B

HIGH-MOUNTED STOP LIGHT

D74

B

B

D43

B3REAR WIPER MOTOR

D46

B2 1

1

REAR GATE LATCH SWITCH

R66

B2

HIGH-MOUNTED STOPLIGHT (REAR SPOILER)

GND-04 E

R60

R24

BB

1

D35

R39

BB

3

D43

D35

3 41 2

R66

2 1

121

R24

D74

: WAGON

: SEDAN

WG

SD

WG

SD

D39

REAR DEFOGGER(WITHOUT CHOKE COIL)

D39

21

D46

1212

(BLACK) (BLACK)

(BLUE)

WI-33

Page 35: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

2. CHASSIS GROUND RHD MODELG

ND

-06

GN

D-0

6

WI-04435

F17

F4

F22

F58

D7

D5

B176

F44 B61

F17

F16

F21

F6

: NON-TURBO ENGINE MODEL

: TURBO ENGINE MODEL

NA

TB

GB-2 GB-1

B1

B

B3

B4

B

B 2

B 2

B2

B 14

B 6

B2

GND-07A

MAIN FAN MOTOR(TURBO ENGINE MODEL)

6

POWER WINDOWMAIN SWITCH

D82

Br

KEY CYLINDERSWITCH

B

B184

KEYLESS ENTRYREGISTRATIONCONNECTOR

REARVIEW MIRROR (DRIVER SIDE)

B94

B6

CRUISE CONTROLMODULE

SUB FAN MOTOR(TURBO ENGINE MODEL)

FRONT TURN SIGNAL ANDCLEARANCE LIGHT LH

FRONT TURN SIGNAL ANDCLEARANCE LIGHT RH

F51

B 1SIDE TURN SIGNAL LIGHT RH

F97

B 2ABS CONDENSER

MAIN FAN MOTOR(NON-TURBO ENGINE MODEL)

SUB FAN MOTOR(NON-TURBO ENGINE MODEL)

KEYLESS ENTRYCONTROL MODULE

POWER WINDOW RELAY

DOUBLE LOCK MODULEFRONT FOG LIGHT LH

F49

B23ABS CONTROL MODULE

F27

B35FWD SWITCH

FRONT FOG LIGHT RHB160

B195

B 3

B 5FRONT FOG LIGHT SWITCH

REAR FOG LIGHT SWITCH

BB

F17 (GRAY)

3 41 2

F16 (GRAY)

B296

TB

TB

:

:

1 2 3 45 6 7 8

F44

B

1B

13B

r

RELAY BLOCK

B225

1011 12 13

14 15 161718

1920

21 22 23

24 25 262728

2930

31 32 33

34 35 363738

1 2

93 4

5 6

7 8

F27

2 1

F16 (BLACK)

F16

3

B

B30

D1

F59

6HEADLIGHT LEVELER RH

HEADLIGHT LEVELER LH

2

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22

27 28 29 30 3123 24 25 26

F49 (BLACK)

B225

B33

B324

BA9

REAR DEFOGGER TIMER

B44

B 3SEAT BELT TIMER

B296

B1

D1

5 6 7 821

943

10

2422 23 25

11 12 13 14 1516 17 18 19

20 21

B176

2 3 4 5 6 71 8 9 1011 12 13 14 15 16 17 18

F51

1 2

(BLACK)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

B94

3 41 2

5 6

(GRAY) B160

B237

1 23 4 5 6

D5

3 2 18 7 6 5 4

B B

B

B

B

1

B 6

B 2

F97

1212

F4 (BLACK)

(BLACK)

(BLACK)

F22

1 2 3

B195

BB

F7

B2

HEADLIGHT RH (LOW-BEAM)

F23

B 2HEADLIGHT LH (LOW-BEAM)

F62

B 7

ABS SHIELDJOINT CONNECTOR

SPORTS SHIFT SWITCH

B237

B6

B4

B3

B4

B4

1

A:

NA

(BLACK)

(BROWN)

(BLACK)

F62 (GRAY)

B44

1 2 3 45 6 7 8 9 10

B324

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16

A: (GRAY)

:

F6

F7

(BLACK) (BLACK)

(BLACK)

1 2

(GRAY)

F21

F23 (GRAY)

F17 (GRAY)NA :

F58 (GRAY)

F59 (GRAY)

1 34 5 6

2D7

1 2 38 9 10

411 12 13 14 15 16

5 6 7

(BLACK)

RELAY HOLDER

10111312

89

5 71 2

3 4

6

14

20212322

1819

15 1716

24

30313332

2829

25 2726

34

35

36

2

D82

3 2 1

WI-34

Page 36: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

GN

D-0

7

GN

D-0

7

WI-04436

B70

B225

B119

B267

B120 B116

B32

B77

B8

B16

B208

B284

B264

B79

B225

GB-4

B

B

B82 B2

B2

B

B 2

3

B 3

B8 B1

B2

B

GND-08C

COMBINATIONSWITCH (WIPER)

TURN&HAZARD MODULE

B

B

FRONT DOOR SWITCH (DRIVER SIDE)

B7 3RADIO AT SELECT LEVER MODE ACTUATOR

FRONT WIPER MOTOR

COMBINATIONSWITCH (LIGHTING)

FRONT ACCESSORYPOWER SUPPLY SOCKET

MIRROR HEATER RELAY

B283B:

B B12

B 4

AUTO A/C CONTROL MODULE

POWER MODE ANDSNOW MODE SWITCH

B132

B 8HEADLIGHT LEVELING SWITCH

REMOTE CONTROLLEDREARVIEW MIRROR SWITCH

ABS RELAYBRAKE FLUID LEVELWARNING SWITCH

GLOVE BOXILLUMINATION LIGHTCHECK CONNECTOR

B129

B1KICK DOWN SWITCH

IGNITION RELAY

B B20

B12

B4INHIBITOR SWITCH (AT)

B268

B29

B1

B3

B47

B 1MAIN RELAY

B46

B 3FUEL PUMP RELAY

B81

BDIAGNOSIS CONNECTOR

FRONT DOOR SWITCH(PASSENGER SIDE)

AWD-LO SWITCH

B286

3 41 2

B29

B208

1 2

B

B71

916

EEFE

EEFE

2

3

B

GB-5

B

B16

12

B12

1 2 3 45 6 7 89 10 11 12

B7

1 34 5 6

2

B284

1 3 4 56

27 8 9 10

B47 (BROWN)

3 41 2

5 6

12

B129

12

B70

2 3 64 5 71 8 911 12 1513 14 1610 17 18

GND-06 A

B71

2 3 4 5 6 71 89 10 11 12 13 14 15 16 17

6

B7

CRUISE CONTROL ACTUATORB

B

B8

1 34 5

2

(GRAY)B79

1 2 3 4 5 6 78 9 10 11 12 13 14

B133

1 34 5 6

2

RELAY BLOCK

B225

1011 12 13

14 15 161718

1920

21 22 23

24 25 262728

2930

31 32 33

34 35 363738

1 2

93 4

5 6

7 8

B116

1 23 4 5 6

B120

1 2 3 4 5 67 8 9 10 11 12 13 14

GND-08B

(BLACK)B32

1 23

B148

1 2

i2

219

32

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

(GREEN)i11C:

1 2 3 4 5 6 7 8 9 10

R52

1 2 31 2

R56

1

B148

SIDE TURN SIGNAL LIGHT LHB

B

B90 R50 R52

B 3ROOM LIGHT

R56

B 2SPOT LIGHT

B90

B225

B13SEAT HEATER RELAY

34

14

B 4

B 3B

B90 R50

B 3

B133

B 6

(GRAY) (GRAY)

(BLACK)

(BLACK) (BLACK)

(BLACK)

(BLACK)

(BLUE)

B46

B264

B119

3 41 2

(GREEN)

(PINK)

B293

B2AIR MIX ACTUATOR

16

B93

SECURITY CONTROL MODULE

B

15B

2B

B286

B 1

INTERCOOLER WATER SPLAY TIMER

B225

B13

SEAT HEATER RELAY

i59

B2CLOCK

B268

B293

123

B77

B267

B132

1 2 3 45 6 7 8

B283B:

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

(GRAY)

B93

: EXCEPT FOR EUROPE MODEL

: FOR EUROPE MODEL

EE

FE

i59

1 2 3 4

B71

2 3 4 5 6 71 89 10 11 12 13 14 15 16 17

: FE

: EE

WI-35

Page 37: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

GN

D-0

8

GN

D-0

8

WI-04437

B

GB-3

4

GND-09 D

B275

B4FAN CONTROL AMP.

B169

B1BLOWER FAN SWITCH

D15

B

REARVIEW MIRROR(PASSENGER SIDE)

R8

R22

R122

B

B3

SEAT BELT SWITCH

R58

B4BR5

FUEL PUMP ASSEMBLY

REAR DOOR SWITCH LH

R19

R130

B1

HI-MOUNTED STOPLIGHT (SEDAN)

BFUEL PUMP CONTROLLER

R16

B3

5

REAR DOOR SWITCH RH

GND-07 C

R19

121

GB-7

R16

R22

123

R57

R15

BB

4

BR

B3

R1B97

BB

B199

B198

BB

R67

R46

BW

B2

D11

B101

BB

1

R8

12

R58

1 34 5 6

2

R122

B168

1 2 3 45 6 7 8 9 10

B97

1 2 3 45 6 7 8

D11

2423222120

6521 43

7 8 9

25

1413121110 15181716 19

D15

3 2 18 7 6 5 4

2

3

GB-6

BGND-07 B

1 B

REAR DEFOGGERCHOKE COIL (SEDAN)

R130

1212

(BLACK)

(BLUE)

(BLUE)

(BLUE)

R42

3 41 2

R41

R15

B275

R145

R44

R43

B294

B43

13 4 5 6

2

(BLACK) (BLACK)

(BLACK)

SEAT HEATER LHB 1

R44

SEAT HEATER SWITCH LHB 3

R43

SEAT HEATER SWITCH RHB 3

R42

SEAT HEATER RHB 1

R41

REAR DIFFERENTIAL OILTEMPERATURE SENSOR

BW

R159

INTERCOOLER WATERSPRAY MOTOR

B 4

R145

B 1

INTERCOOLER WATERSPRAY SWITCH

B 2

B294

39

B289

B38

DRIVER'S CONTROLCENTER DIFFCONTROL MODULE

B37B36B

10

B168

B8

MODE CONTROL PANEL

B5B

6

B43

B

ILLUMINATIONCONTROL MODULE

6

B339

B4

DRIVER'S CONTROLCENTER DIFFMODE SWITCH

B

B B

R46

1 2

B169

41 2 3

65

B339

1 34 5 6

2

B289

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

WI-36

Page 38: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

GN

D-0

9

GN

D-0

9

WI-02251

R28B

GB-8

B

GR

B 8

GND-10 E

R79

B 7

REAR COMBINATIONLIGHT RH (WAGON)

REAR COMBINATIONLIGHT LH (WAGON)

REAR COMBINATIONLIGHT RH (SEDAN)

R63

B 1

LICENCE PLATE LIGHT

TRAILER CONNECTOR

R27R26

B 2B4

TRUNK ROOM LIGHTSWITCH (SEDAN)

REAR COMBINATIONLIGHT LH (SEDAN)

R28

B4 2

R116

B

REAR WIPER INTERMITTENT MODULE(WAGON)

GND-08 D

B120

1 2 3 4 5 67 8 9 10 11 12 13 14

11

GB-4

B

27

BBY

GB-5

BBY

28

RADIO SRS HARNESS

B120 AB6

R27

2 1

: WAGON

: SEDAN

WG

SD

R28:

: R26

1 34 5 6

2

SD

SD

B

RADIO

B121

1 2 3 45 6 7 8

R116WG

WG

2 16 5 4 3

R28

R26:

:

1 2 3 46 7 8 9

5

R79

10

(YELLOW)AB6

1 2 3 4 5 67 8 9 10 11 12 13 14 15 16 1718 19 20 21 22 23 24 25 26 27 28

R63

2 1

2

R26

B

2 B

WI-37

Page 39: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

GN

D-1

0

GN

D-1

0

WI-04539

HIGH-MOUNTED STOP LIGHT

D48

B

D39

B

D43

B3REAR WIPER MOTOR

D46

B2

1

1

REAR GATE LATCH SWITCH

R66

B2

HIGH-MOUNTED STOPLIGHT (REAR SPOILER)

GND-09 E

R60

R24

BB

1

D35

R39

BB

3

D43

3 41 2

2 1

121

R24

D74

: WAGON

: SEDAN

WG

SD

WG

SD

D74

B

REAR DEFOGGER (WITHOUT CHOKE COIL)

REAR DEFOGGER (WITH CHOKE COIL)

D39

211212

D46 (BLACK)

D35 (BLUE)

R66 (BLACK)

WI-38

Page 40: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

3. ENGINE GROUND LHD SOHC W/O OBD ENGINE MODELG

ND

-11

GN

D-1

1

WI-04540

BG

A7

BW

A8

BR B

A27B6

BR

B25

BR

C21

BR

C22

13 15 16 14

BG

BW

BR B

B17

1 2 1 2312

B76

1 2

E12 R15 R58

1 2 3 1 2 343 4

B25 (BLACK)B40

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

B22

1 2 3 45 6 7 89 10 11 1213 14 15 16

19

A: B134

2 3 4 5 6 7 810 11 12 13 14 15 16 17 18 19 20 21 22 23

24 25 26 27 28 29 30 31 32 33 34 35

5 6 78

219

4310

2422 23 2511 12 13 14 15

26 27 2816 17 18 19

20 21

B135B:

54 6 78

219

310

22 2311 12 13 14 15

24 25 26 2716 17 18

28 2919 20

21 30

B136C:

(BROWN) (GREEN) (GRAY) (BROWN)

E3

B22

B40

BW

i2B37

6 BW

BR 12DATA LINK CONNECTOR

TEST MODE CONNECTOR

B76

BR 1

B17

BR 2

E12

GW 3

B25

BR 2

i12A:

BW A8

BR 13

LINE END CONNECTOR

B126

BR

ENGINE CONTROL MODULE

B135B134A: B: B136C:

VEHICLE SPEED SENSOR (MT)

NEUTRAL POSITION SWITCH (MT)

COMBINATION METER

BR

R3B99

3 GB GB

R57R15

3 BR

R58

BR 5FUEL PUMP ASSEMBLY

IGNITION COIL & IGNITOR

i12A:

1 2 3 4 5 64 5 6 7 8 9 10 11 12 13 14

(GREEN)

B BGW

GW

BR

B B BR

GW

i2

B99

3 41 2 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

5 6 7

GE

MT

WI-39

Page 41: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

4. ENGINE GROUND RHD SOHC W/O OBD ENGINE MODELG

ND

-12

GN

D-1

2

WI-02254

BY

A7

BW

A8

GW BL

A27

GW

C21

GW

C22

BY

13

BW

15

BR

16

B14

BY

BW

GW BL

BY

BW

BR B

B17

1 2 312

B76

1 2

E12

1 2 3 4

B25 (BLACK)B40

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

B22

1 2 3 45 6 7 89 10 11 1213 14 15 16

i2

219

32

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

19

A: B134

2 3 4 5 6 7 810 11 12 13 14 15 16 17 18 19 20 21 22 23

24 25 26 27 28 29 30 31 32 33 34 35

5 6 78

219

4310

2422 23 2511 12 13 14 15

26 27 2816 17 18 19

20 21

B135B:

54 6 78

219

310

22 2311 12 13 14 15

24 25 26 2716 17 18

28 2919 20

21 30

B136C:

(BROWN) (GREEN) (DARK GRAY) (BROWN)

E3

B22

B40

BW

i2

B37

11B

W

GW 12DATA LINK CONNECTOR

TEST MODE CONNECTOR

B76

GW 1

B17

GW 2

E12

B 3

B25

GW 2

i12A:

BW A8

B18

GW 13

BW 1

VEHICLE SPEED SENSOR (MT)

NEUTRAL POSITION SWITCH (MT)

FRONT OXGEN SENSOR

COMBINATION METER

IGNITION COIL & IGNITOR

B18

1234

i12A:

1 2 3 4 5 67 8 9 10 11 12 13 14

(GREEN)

GE

(BLACK)

ENGINE CONTROL MODULE

B135B134A: B: B136C:

GW

B25B6

MT

WI-40

Page 42: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

5. ENGINE GROUND LHD SOHC WITH OBD ENGINE MODELG

ND

-13

GN

D-1

3

WI-04541

BG

A35

BW

A7

BY

C5

BY

C16

BC

26

BR

B21

BR

D14

B13

B15

BR

16

GW

14

BG

BW

BR

8B

Y

BR

BB

B

B17

1 2 312

B76

(BLACK)B40

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

B22

1 2 3 45 6 7 89 10 11 1213 14 15 16

i2

B99

2191 2 3 4 5 6 10 11

12 13 14 157

16 2319 20 228

17 2418

A: B134

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 17 18 19 20 21 22 2324 25 26 27 28 29 30 31 32 33 34 35

5 6 78

219

4310

2422 23 2511 12 13 14 15

26 27 2816 17 18 19

20 21

B135B:

(GREEN) (BROWN)

R3

B99B22

E3

B76

GB

BW

3B

R

R57

GE

R15

3G

BB

R

i2

B376

BW

BR 1

TEST MODE CONNECTOR

DATA LINK CONNECTOR

B40

BR 12

BR 13

B17

BR 2

R58

5BR

E12

GW 3

B25

BR 2

i12A:

BW A8

B134A: B135B: B136C:

VEHICLE SPEED SENSOR (MT)

NEUTRAL POSITION SWITCH

COMBINATION METER

FUEL PUMP ASSEMBLY

IGNITION COIL & IGNITOR

BR

BR

BR

GW

GW

(GREEN)A: i12

1 2 3 4 5 67 8 9 10 11 12 13 14

1 2

E12

1 2 3 4

B25 (BROWN) R15

3 41 2

R58

1 34 5 6

2

B137

415

326

1815 167 8 9 10 11

17 19 2012 13

14

D : B136C:

528

439

2320 2110 11 12 13 14

22 24 2515 16

19

1718

6

2617

B137D:

C19

MT

ENGINE CONTROL MODULE

WI-41

Page 43: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

6. ENGINE GROUND RHD SOHC WITH OBD ENGINE MODELG

ND

-14

GN

D-1

4

WI-02256

BY

A35

BW

A7

BR

C5

BR

C16

BL

C26

GW

B21

GW

D14

B13

B15

BR

16

GW

14

BY

BW

BR

8B

R

GW

BB

BL

B17

1 2 312

B76

1 2

E12

1 2 3 4

B25 (BLACK)B40

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

B22

1 2 3 45 6 7 89 10 11 1213 14 15 16

i2

219

32

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

A: B134

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 17 18 19 20 21 22 2324 25 26 27 28 29 30 31 32 33 34 35

5 6 78

219

4310

2422 23 2511 12 13 14 15

26 27 2816 17 18 19

20 21

B135B:

(BROWN) (GREEN) (BROWN)

R3

B99

E3

B22

B76

BW

BW

6G

W

R57

GE

R15

3B

WB

R

i2

B37

11B

W

GW 1

TEST MODE CONNECTOR

DATA LINK CONNECTOR

B40

GW 12

GW 13

B17

GW 2

R58

5BR

E12

GW 3

B25

BW 2

i12A:

BW A8

VEHICLE SPEED SENSOR (MT)

NEUTRAL POSITION SWITCH (MT)

COMBINATION METER

FUEL PUMP ASSEMBLY

IGNITION COIL & IGNITOR

BR

BR

GW

GW

(GREEN)A: i12

1 2 3 4 5 67 8 9 10 11 12 13 14

(BLACK) R15

3 41 2

R58

1 34 5 6

2

B136C:

528

439

2320 2110 11 12 13 14

22 24 2515 16

19

1718

6

2617

B99B137

415

326

1815 167 8 9 10 11

17 19 2012 13

14

D:

C19

MT

GW

B134A: B135B: B136C: B137D:

ENGINE CONTROL MODULE

WI-42

Page 44: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

7. ENGINE GROUND LHD TURBO ENGINE MODELG

ND

-15

GN

D-1

5

WI-04438

BY

D8

BW

A22

BL

E8

BL

E9

BD

18

BR

A15

BR

C1

BL

13

BL

15

BR

16

BY

14

BY

BW

BR

3B

L

BR

BW

BR

BL

BL

B

E7

1 2 3

12

B76

(BLACK)

(BLACK)B40

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

F60

1 2 3 45 6 7 89 10 11 1213 14 15 16

i2

B99

2191 2 3 4 5 6 10 11

12 13 14 157

16 2319 20 228

17 2418

(GREEN)

(BROWN)

R3

B99

F60

BY

6

BW

24

BR

1

B22

BY

BW

BL

12B

L

BR B

B100

F2

B76

GB

BW

3B

R

R57

GE

R15

E34

E32

E33

E31

3G

BB

R

i2

B37

6B

W

BR 1

TEST MODE CONNECTOR

DATA LINK CONNECTOR

B40

BR 12

BR 13

2

2

2

2

B17

BR 2

R58

5BR

E7

BW 3

B128

BR 3 5OD WD

i12A:

BW A8

BW

D17

ENGINE CONTROL MODULE

B134A: B136C: B137D: B84E:

VEHICLE SPEED SENSOR (MT)

NEUTRAL POSITION SWITCH

COMBINATION METER

IGNITION COIL No.4

IGNITION COIL No.2

IGNITION COIL No.3

IGNITION COIL No.1

FUEL PUMP ASSEMBLY

IDLE AIR CONTROL SOLENOID VALVE

BR

A7

BY

BY

BR

BY

(GREEN)A: i12

1 2 3 4 5 67 8 9 10 11 12 13 14

(BLACK)

(BLACK)

E32

E34

E31

B128

B17

E33

123

1 23 4

E3

B136

654310

1413

2

171615

1987 1211

C: B134

1 2 3 410 11 12

19 20 2113

5 614 15

78 916 17 18 22

A:

R15

3 41 2

R58

1 34 5 6

2

STi : B17 EST :

OD :

B128WD :

F2

3 41 2 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

5 6 7

(BLACK)

E: B84

1 2 7 8 95 63 410 11 12 19 20 21

29 30 3113 14 15 16 17

27 2818

22 23 24 25 26

: STi MODELSTi

: EXCEPT STi MODELEST

: WITH DRIVER'S CONTROL CENTER DIFFWD

: WITHOUT DRIVER'S CONTROL CENTER DIFFOD

D: B137

1 2 78 9

5 63 410 11 1219 20 21

13 14 15 1617 18 22 23 24

WI-43

Page 45: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

8. ENGINE GROUND RHD TURBO ENGINE MODELG

ND

-16

GN

D-1

6

WI-04439

BY

D8

BW

A22

BW

E8

BW

E9

BD

18

GW

A15 C1

BL

13

BL

15

BR

16

BY

14

BY

BW

BR

3B

W

GW

BW

BR

BL

BL

B

E7

1 2 312

B76 (BLACK) (BLACK)B40

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

B22

1 2 3 45 6 7 89 10 11 1213 14 15 16

B137D:

(GREEN) (BROWN)

R3

B99B22

E3

B76

GW

BW

6G

W

R57

GE

R15

E34

E32

E33

E31

3G

WB

R

i2

B37

11B

W

GW 1

TEST MODE CONNECTOR

DATA LINK CONNECTOR

B40

GW 12

GW 13

2

2

2

2

B17

GW 2

R58

5BR

E7

BW 3

B128

GW

i12A:

BW A8

BW

D17

ENGINE CONTROL MODULE

B134A: B136C: B137D: B84E:

VEHICLE SPEED SENSOR (MT)

COMBINATION METER

IGNITION COIL No.4

IGNITION COIL No.2

IGNITION COIL No.3

IGNITION COIL No.1

FUEL PUMP ASSEMBLY

IDLE AIR CONTROL SOLENOID VALVE

GW

A7

BY

BY

BR

BY

(GREEN)A: i12

1 2 3 4 5 67 8 9 10 11 12 13 14

B128

B17

(BLACK)

(BLACK)

E32

E34

E31

E33

123

1 23 4

i2

219

32

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

B136C:

1 2 78 9

5 63 410 11 1219 20 21

13 14 15 1617 18 22 23 24

A: B134

1 2 3 410 11 12

19 20 2113

5 614 15

78 916 17 18 22

1 2 38 9 10

411 12

13 14 15 16

5 67

17

(BLACK)

(GRAY)

(GRAY)

R15

3 41 2

R58

1 34 5 6

2

E: B84

1 2 7 8 95 63 410 11 12 19 20 21

29 30 3113 14 15 16 17

27 2818

22 23 24 25 26

B99

MT

GW

3 5OD WD

NEUTRAL POSITION SWITCH

: WITH DRIVER'SCONTROL CENTER DIFF

WD

: WITHOUT DRIVER'SCONTROL CENTER DIFF

OD

OD :

B128WD :

WI-44

Page 46: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

9. TRANSMISSION GROUND LHD MODELG

ND

-17

GN

D-1

7

WI-02259

TRANSMISSION CONTROL MODULE

BL

A21

BL

C19

Lg

B24

GB

18

WB

8

BW

B9

B55B54A: B: B56C:

BL

BY

A19

A10

B11

T4

B16

Y1415

W

BL WB

6

1

BY4LgB5SB3BL

L

8

2SB9BW7B

SB

AT CONTROL (TRANSMISSION)

VEHICLESPEED

SENSOR 1(AWD)

VEHICLESPEED

SENSOR 2

TORQUECONVERTER

TURBINESPEED

SENSOR

(GRAY)(BLACK) B: B55

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

A: B54

1 2 7 8 95 63 410 11 1219 20 21

13 14 15 16 17 1822 23 24

C: (GREEN)B56

1 2 7 8 95 63 410 11 1219 20 21

13 14 15 16 17 1822 23 24

B11

1 25 6 7 8

13 14 15 169 10 11 12

3 4

17 18 19 20

SHIELD JOINTCONNECTOR

B53

Y1718

W

GL

Y1920

W

Lg

Lg

B

1 2 3 4 5 6 7 8 9 10 11 12

B53 (BLACK)

WI-45

Page 47: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMGround Distribution

10.TRANSMISSION GROUND RHD MODELG

ND

-18

GN

D-1

8

WI-04542

TRANSMISSION CONTROL MODULE

BW

A21

BW

C19

LB

24

WB

18

LG

B8

Gr

B9

B55B54A: B: B56C:

GrR

GrB

A19

9786

21354

A10

B11

T4

B16

Y1415

W

BW LGLR

GrBG

SBGrR

BSBGrLRSB

AT CONTROL (TRANSMISSION)

VEHICLESPEED

SENSOR 1(AWD)

VEHICLESPEED

SENSOR 2

TORQUECONVERTER

TURBINESPEED

SENSOR

(GRAY)(BLACK) B: B55

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

A: B54

1 2 7 8 95 63 410 11 1219 20 21

13 14 15 16 17 1822 23 24

C: (GREEN)B56

1 2 7 8 95 63 410 11 1219 20 21

13 14 15 16 17 1822 23 24

B11

1 25 6 7 8

13 14 15 169 10 11 12

3 4

17 18 19 20

SHIELD JOINTCONNECTOR

B53

Y1718

W

WB

Y1920

W

LG

1 2 3 4 5 6 7 8 9 10 11 12

B53 (BLACK)

WI-46

Page 48: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAirbag System

5. Airbag SystemA: WIRING DIAGRAM1. LHD MODEL

A/B

(L)-

01

A/B

(L)-

01

WI-02261

7

6

2

3

8

RW GY

GY

R

GRGR

R GR L W

W W W W W

9

BB 18

1 2 3 5 4

6 5 3 19 2

GB

AIR BAGCIRCUIT

AIR BAGINDICATOR

LIGHT

FB-36F/B FUSE NO. 13

(IG)

FB-22F/B FUSE NO. 11

(IG)

FB-23F/B FUSE NO. 6

(IG)

FB-17F/B FUSE NO. 18

(IG)

L

GR

GB

W

B

RWRW 14RW

GR

C7

B18

BC6

1

2

L

W

REF. TO GND-02

CHECKCONNECTOR

DIAGNOSISCONNECTOR

DIAGNOSISTERMINAL

B31

AB1

(GRAY)B79

(GREEN)B:

C:

i10

AIRBAG CONTROL MODULEAB3

B81

B82

B79B37i2

TO POWER SUPPLY ROUTING

1 2 3 4 5 6 78 9 10 11 12 13 14

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

BR

BR

(GREEN)i11(YELLOW)B31

(BLACK)

(BLACK)

B82

1 23 4 5 6

i2

2 3 6 74 5 8 92019181716151413

112

1021 22

1123 24

F2

2 3 6 74 5 8 92019181716151413

112

1021 22

1123 24

(YELLOW)AB3

1 2 3 4 5 67 8 9 10 11 12 13 14 15 16 1718 19 20 21 22 23 24 25 26 27 28

B

1 2 3 4 5 6 7 8 9 10

COMBINATIONMETER

B: C: i11i10

:TURBO ENGINE MODEL

: NON-TURBO ENGINE MODEL

TB

NA

TB

NA

BR

16

B22

E3

BR

GE

NA

BR

16

F60

E3

TB

BR

1

B100

F2

F60

B22 (BROWN)

(BROWN)

1 2 3 45 6 7 89 10 11 1213 14 15 16

WI-47

Page 49: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAirbag System

A/B

(L)-

02

A/B

(L)-

02

WI-02262

AIRBAG CONTROL MODULE

W2

G1

W1

W2

INFLATOR (DRIVER SIDE)

STEERINGROLL CONNECTOR

FRONT SUB SENSOR LH FRONT SUB SENSOR RH

INFLATOR (PASSENGER SIDE)

(YELLOW) (YELLOW)

(YELLOW)

AB15 AB3

AB18

AB2

AB21

AB3

AB26

AB15AB18

AB4

GB-5

AB27

AB21

W WY Y YY

AB14

AB13

W1

W2

1526

W W920

1314 1110

Y1

YY

LY

B2

YL

1Y

B2

Y2

W28

W27

Y1

1

1

2

2

(YELLOW)

(YELLOW)

AB4 AB2

(YELLOW)AB13

71 2 3 4 5 6

8 9 1018 19 20 21 22 23 24

11 12 13 14 15 16 1725 26 27 28

W

GB-4W

1 2

WI-48

Page 50: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAirbag System

A/B

(L)-

03

A/B

(L)-

03

WI-02263

Y5

Y6

YR

2Y

L1

YG

5Y

B6

Y2

Y1

W7

L10

G12

B9

Gr

12Y

9L

g7

Br

10

Y1

Y2

YR

1Y

L2

YG

1Y

B2

Y1

Y2

W1

L2

G3

B4

Gr

1Y

2L

g3

Br

4

AB7

AB19

AB29

AB10 AB12AB9

AB20

AB19

AB12

AB10 AB8AB7

AB11

AB9

AB28

AB20AB11

AB8

AIRBAG CONTROL MODULE

SIDE AIR BAGSENSOR RH

SIDE AIR BAGSENSOR LHINFLATOR

(SIDE LH)INFLATOR(SIDE RH)

ELR WITHPRETENSIONER RH

ELR WITH PRETENSIONER LH

1

2

2

1

3 4

1 2 3 4 5 6

7 8 9 10 11 12 10 11 12

1 2 3 4 5 6

7 8 9

(YELLOW)

(YELLOW)

(YELLOW) (YELLOW) (YELLOW)

(YELLOW)

(YELLOW)

(YELLOW)

WI-49

Page 51: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAirbag System

2. RHD MODELA

/B(R

)-01

A/B

(R)-

01

WI-02264

7

6

2

3

8

GW R

R

Or

LgRLgR

Or

Lg

R L V

LR Y Lg

RY Or

10

BB 21

6 5 1 4 3

6 5 3 19 2

GB

AIRBAGCIRCUIT

AIRBAGINDICATOR

LIGHT

COMBINATIONMETERB: C:

FB-36F/B FUSE NO. 13

(IG)

FB-22F/B FUSE NO. 11

(IG)

FB-23F/B FUSE NO. 6

(IG)

FB-17F/B FUSE NO. 18

(IG)

L

LgR

GB

V

B

GW

LgR

B

C7

B18

C6

1

2

L

V

REF. TO GND-07

CHECKCONNECTOR

DIAGNOSISCONNECTOR

DIAGNOSISTERMINAL

B31

AB1

i11i10

(GRAY) (YELLOW)AB3B79

(GREEN)B:

C:

i10

AIRBAG CONTROL MODULEAB3

B81

B82

B79B37i2

TO POWER SUPPLY ROUTING

1 2 3 4 5 6 78 9 10 11 12 13 14

1 2 3 4 5 67 8 9 10 11 12 13 14 15 16 1718 19 20 21 22 23 24 25 26 27 28

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

(GREEN)i11(YELLOW)B31

(BLACK)B82

1 23 4 5 6

B

1 2 3 4 5 6 7 8 9 10

219

32

i2

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

B

B

GWGW 31

WI-50

Page 52: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAirbag System

A/B

(R)-

02

A/B

(R)-

02

WI-02265

L1

Br

2

G1

W2

INFLATOR (DRIVER SIDE)

STEERINGROLL CONNECTOR

FRONT SUB SENSOR LH FRONT SUB SENSOR RH

INFLATOR (PASSENGER SIDE)

(YELLOW) (YELLOW)

(YELLOW)

AB15 AB3

AB18

AB2

AB21

AIRBAG CONTROL MODULEAB3

AB26

AB14

AB15AB18

AB13

AB4

GB-5

AB27

AB21

AB13

L Br

YL

YB

YG

YR

G2

WG W

1

1526

G W920

1314 1110

YL

1Y

BY

LY

B2

YL

1Y

B2

YR

2

B28

BY

27

YG

1

1

1

2

2

(YELLOW)

(YELLOW)

(YELLOW)

AB4

71 2 3 4 5 6

8 9 1018 19 20 21 22 23 24

11 12 13 14 15 16 1725 26 27 28

B

GB-4B

Y

AB2

1 2

WI-51

Page 53: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAirbag System

A/B

(R)-

03

A/B

(R)-

03

WI-02266

YR

5Y

L6

YG

2Y

B1

YG

5Y

B6

YR

2Y

L1

W7

L10

G12

B9

W12

L9

G7

B10

YR

1Y

L2

YG

1Y

B2

YG

1Y

B2

YR

1Y

L2

W1

L2

G3

B4

W1

L2

G3

B4

AB7

AB19

AB29

AB10 AB12AB9

AB20

AB19

AB12

AB10 AB8AB7

AB11

AB9

AB28

AB20AB11

AB8

AIRBAG CONTROL MODULE

SIDE AIRBAGSENSOR RH

SIDE AIRBAGSENSOR LHINFLATOR

(SIDE LH)INFLATOR(SIDE RH)

ELR WITHPRETENSIONER RH

ELR WITH PRETENSIONER LH

1

2

2

1

3 4

1 2 3 4 5 6

7 8 9 10 11 12 10 11 12

1 2 3 4 5 6

7 8 9

(YELLOW)

(YELLOW)

(YELLOW) (YELLOW) (YELLOW)

(YELLOW)

(YELLOW)

(YELLOW)

WI-52

Page 54: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

6. Air Conditioning SystemA: WIRING DIAGRAM1. MANUAL A/C LHD MODEL

FB-19F/B FUSE NO.17

(IG)

TO POWER SUPPLY ROUTING EVAPORATION THERMO SWITCH

LY

A/C(MLH)-02A

A/C(MLH)-02B

: TURBO MODELTB

: NON-TURBO MODELNA

LYBr

C11

D13A9

A6

A9

E27

NA

TB

A: B134

C: B136

D: B137

E: B84

ENGINECONTROLMODULE

PRESSURE SWITCH

COMPRESSOR

MAGNETCLUTCH

AIRCONDITIONINGRELAY

10

14

12

1116

15

(GRAY)

(BLACK)

(BROWN) D: TB

NA

B137

RELAY HOLDER

F27

10111312

89

5 71 2

3 4

6

14

20212322

1819

15 1716

24

30313332

2829

25 2726

34

35

36

F45

3 41 2 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

5 6 7415

326

1815 167 8 9 10 11

17 19 2012 13

14

B136C:

1 2 3 4 5 67 8 9 10 11 12 13 14 15 16 1718 19 20 21 22 23 24 25 26

WI-04440

B88

F96

F79

B84 B134

B134

BrY

BW

B88

F45 B62

F27

F24 F79

L

2B

rY

GO

r1

GR

GO

r

BrY BrY

Br Br

Br

GOr

BrY

Br

L

WI-53

Page 55: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

A\C

(ML

H)-

02

A\C

(ML

H)-

02

FB-20F/B FUSE NO.17

(IG)

FB-34F/B FUSE NO.1 (B) NO.2

TO POWER SUPPLY ROUTING

A/C(MLH)-01 A

A/C(MLH)-01 B

RE

F. T

O R

/DE

F(L

)-01

RE

F. T

O IL

M(L

)-01

REF. TO GND-01 REF. TO GND-03

R

3 4 2 1 6 5 8 9 10

B168

MODE CONTROL PANEL

B86 B50 B169

B169

B50

B168(BROWN)

BLOWER FAN RELAY

BLOWER MOTOR

BLOWER REGISTER

BLOWER FAN SWITCH

BY

BY

BY

BW

BW

RY

RY

WI-04441

B87

B

B RL B B V GR

BW

GO

r B

GR

YB

1

4

5

6

3

2

0 1 2 3 4

B86

YB

2

4

1

3

B87

BR 1

2

BR

GR

GOr

RW 2

1

3

4

RW

GO

r

WI-54

Page 56: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

2. AUTO A/C LHD MODELA

/C(A

LH

)-01

A/C

(AL

H)-

01

WI-04444

GO

r

RW

GOr11

BrY12

Br14

L10

F27

FB-19F/B FUSE NO. 17

(IG)

FB-20F/B FUSE NO. 17

(IG)

FB-34F/B FUSE NO. 1 (B)F/B FUSE NO. 2 (B)

TO POWER SUPPLY ROUTING

Br

AIR CONDITIONINGRELAY

RW 2

GOr 1

GR 3

BR 4

B50

B87

GO

r

F45 B62

LYA6

BrE27

B282A: B: B283

AUTO A/C CONTROL MODULE

LYB

4

BrY

B3

GO

rA

8

GR

B14

BY

B11

RL

A16

BLOWER MOTOR RELAY

GRA9

MAGNETCLUTCH

COMPRESSOR

BrY16BrY

Br 15

A:

ENGINECONTROL MODULE(TURBOENGINEMODEL)

B134

LY

GR

Br

B275FAN

CONTROLAMP

BY 2

1RL

4B

BR

BLOWER MOTOR

1

BY 2

REF. TO GND-03

L

F24

B275(GRAY)

213 4

F79

1 2

B50

213 4

(GRAY)

(BLACK)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

B282 (GRAY)

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16

A: B283B: B134A:

1 2 3 410 11 12

19 20 2113

5 614 15

78 916 17 18 22

E: B84

1 2 7 8 95 63 410 11 12 19 20 21

29 30 3113 14 15 16 17

27 2818

22 23 24 25 26

BrY2

1

F79

PRESSURE SWITCH

GOr

TBN

A

NA

TB

NA

TB

: TURBO ENGINE MODEL

: NON-TURBO ENGINE MODEL

: OBD MODEL

: EXCEPT MODEL

TB

NA

TB

NA

WO

OO

TB

NA

B87

1212

F45

1 2 3 4 5 6 7 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

A: B134

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 17 18 19 20 21 22 2324 25 26 27 28 29 30 31 32 33 34 35

B

B137

415

326

1815 167 8 9 10 11

17 19 2012 13

14

D:

528

439

2320 2110 11 12 13 14

22 24 2515 16

19

C: B136

1718

6

2617

WO

E:

A:

B:

C:

D:

B84

ENGINECONTROL MODULE

(NON-TURBOENGINEMODEL)

B27

C30

A17

C11

D13

A9

OO WOB134

B135

B136

B137

B135B: OO

54 6 78

219

310

22 2311 12 13 14 15

24 25 26 2716 17 18

28 2919 20

21 30

B136C:

5 6 78

219

4310

2422 23 2511 12 13 14 15

26 27 2816 17 18 19

20 21

RELAY HOLDER

F27

10111312

89

5 71 2

3 4

6

14

20212322

1819

15 1716

24

30313332

2829

25 2726

34

35

36

WI-55

Page 57: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

A/C

(AL

H)-

02

A/C

(AL

H)-

02

WI-02272

B282A: B: B283

YG

AUTO A/C CONTROL MODULE

B2

A13

A14

RLR

(GRAY)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

B282 (GRAY)

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16

A: B283B:

TO POWER SUPPLY ROUTING

LR

FB-9F/B FUSE NO. 2

(B)

FB-17F/B FUSE NO. 18

(IG)

YG

LR

B1

FB-27 F/B FUSE NO. 9

(ACC)

GB

GY

B19

RE

F. T

O R

/DE

F(L

)-01

B10

B20

BVR

EF.

TO

ILM

(L)-

01

GE

(GREEN)

(BROWN)

(BROWN)

C: B56

1 2 7 8 95 63 410 11 1219 20 21

13 14 15 16 17 1822 23 24

GY

C17

B56C:

TRANSMISSIONCONTROL

MODULE (AT)

BR

BR

16

B22

E3

BR

BR

16

F60

E3

BR

BR

1

B100

F2

B17

GB

3

BR

2

GY

1

MT

TB

NA

AT

TB

NA

VEHICLE SPEEDSENSOR (MT)

B17

213 4

B17

1 2 3

NA TB

F60

B22

1 2 3 45 6 7 89 10 11 1213 14 15 16

: TURBO ENGINE MODEL

: NON-TURBO ENGINE MODEL

TB

NA

TB

NA

BR

F2

3 41 2 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

5 6 7

(BLACK)

: :

WI-56

Page 58: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

A/C

(AL

H)-

03

A/C

(AL

H)-

03

WI-02273

(GRAY) (BROWN)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

B282 (GRAY)

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16

A:A: B283B:

B282A: B: B283 AUTO A/C CONTROL MODULE

BP

B9

RB

7

GR

B16

B17

A11

BP

BP

BL

BL

4B

L2

BP

1

F78

AMBIENT SENSOR SUNLOADSENSOR

i10B: COMBINATIONMETER

BL

12

i51

YB

B12

BP

B11

BL

B8

F45

B62

i1

B36

i2

B37

1 2

B256

F78

i51

(BLACK)

BP

10B

P

BL

23B

L

YB

21Y

B

GR

7G

RG

R

EVAPORATIONTHERMO SWITCH

BL

12

B256

R

BL

YB

5

i2

F45

1 2 3 4 5 6 7 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

i1

1 2 3 4 5 6 7 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

(GREEN)B: i10

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

-COM

LCD(OUT TEMP)

I/FI/F

WI-57

Page 59: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

A/C

(AL

H)-

04

A/C

(AL

H)-

04

WI-02274

B15

Lg

RA

7

GY

B5

BL

A15

RYL

A12A4

AUTO A/C CONTROL MODULE

1 2

B91

FRESH/RECIRCACTUATOR

A: B282 B: B283

BL

Lg

R

B293

B77

BB

12

REF. TO GND-02

WG

WG

3

E8

THERMOMETER

WG

WG

10

B21

E2

WG

WG

15

F61

E2

WG

WG

19

B100

F2

TB

NA

TB

TB : TURBO ENGINE MODEL

NA : NON-TURBO ENGINE MODEL

NA

B77

MODE ACTUATOR

LW 1

3RY

2B

B293

AIR MIXACTUATOR

1 GY

L3

B2

(GRAY)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

B282 (GRAY)

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16

A: B283

(BLACK)F61

B:

123

(BLACK)(LIGHT GRAY) B91

13 4 5 6

21 2

3

B21

1 2 3 45 6 7 8

9 10 11 1213 14 15 16

17 18 19 20

E8

B

(LIGHT GRAY)

LWB

6

REF. TO GND-02

B

F2

3 41 2 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

5 6 7

(BLACK)

WI-58

Page 60: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

3. MANUAL A/C RHD MODEL

B27

C30

A17

C11

D13A9

OO

WO

A6

A9

E27TB

A: B134

A: B134

D: B137

TB

B: B135

C: B136

D: B137

E: B84

ENGINECONTROLMODULE

OO

WO

WO

A\C

(MR

H)-

01

A\C

(MR

H)-

01

FB-19F/B FUSE NO.17

(IG)

TO POWER SUPPLY ROUTING

AIRCONDITIONINGRELAY

10

12

14

11

PRESSURE SWITCH

COMPRESSOR

MAGNETCLUTCH

EVAPORATION THERMO SWITCH

A/C(MRH)-02A

A/C(MRH)-02B

: NON-TURBO OBD MODELWO

: TURBO MODELTB

: NON-TURBO EXCEPT OBD MODELOO

(GRAY)

(GRAY)

(BROWN)

(BLACK)

RELAY HOLDER

F27

10111312

89

5 71 2

3 4

6

14

20212322

1819

15 1716

24

30313332

2829

25 2726

34

35

36

415

326

1815 167 8 9 10 11

17 19 2012 13

14

B136C: OO B136C:

1 2 3 4 5 67 8 9 10 11 12 13 14 15 16 1718 19 20 21 22 23 24 25 26

54 6 78

219

310

22 2311 12 13 14 15

24 25 26 2716 17 18

28 2919 20

21 30WI-04442

F79 B88

F96

F45 B: B135

A: B134E: B84

F24

L

GO

r

BrY

1 2

F79

BrR PB

GR

BW

B88

1

PB

BrY

23GO

r

GOr

BrY

BrR

L

F27

BrY BrY6

F45 B62

BrR BrR2

F96 B255

WI-59

Page 61: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

A\C

(MR

H)-

02

A\C

(MR

H)-

02

FB-20F/B FUSE NO.17

(IG)

FB-34F/B FUSE NO.1 (IG) NO.2

TO POWER SUPPLY ROUTING

A/C(MRH)-01 A

A/C(MRH)-01 B

RE

F. T

O R

/DE

F(R

)-01

RE

F. T

O IL

M(R

OI)

-01

ILM

(RW

I)-0

1

R

REF. TO GND-01

B168

MODE CONTROL PANEL

WITH ILLUMINATIONCONTROL MODEL : YLWITHOUT ILLUMINATIONCONTROL MODEL : B

REF. TO GND-03

B169

B50

BLOWER FAN RELAY

BLOWER MOTOR

BLOWER REGISTER

BLOWER FAN SWITCH

(BROWN) B50 B169 B168

WI-04443

1*

1 *

B87 B86

B

B RL

10 7 9

B8 5 6

V

3 2 1

GR

BW

GO

r

B

B

GR

BW

YB

BW

RY

1

4

5

6

3

2

0 1 2 3 4

B86

RY

BW

YB

BW

2

4

1

3

B87

BW

BR 1

2

BR

GR

4

3

1

2

GOr

RW

RW

GO

r

WI-60

Page 62: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

4. AUTO A/C RHD MODELA

/C(A

RH

)-01

A/C

(AR

H)-

01

GO

r

RW

GOr11

BrY14

BrR12

L10

F27

FB-19F/B FUSE NO. 17

(IG)

FB-20F/B FUSE NO. 17

(IG)

FB-34F/B FUSE NO. 1 (B)F/B FUSE NO. 2 (B)

TO POWER SUPPLY ROUTING

BrR

AIR CONDITIONINGRELAY RW 2

GOr 1

GR 3

BR 4

B50

B87

GO

r

F45 B60

F96 B255

PBA6

BrRE27

B282A: B: B283

AUTO A/C CONTROL MODULE

PB

B4

BrY

B3

GO

rA

8

GR

B14

BW

B11

RL

A16

BLOWER MOTOR RELAY

GRA9

MAGNETCLUTCH

COMPRESSOR

BrY6BrY

BrR 2

A:

E:

ENGINECONTROL MODULE(TURBOENGINEMODEL)

ENGINECONTROL MODULE

(NON-TURBOENGINEMODEL)

B134

B84

PBB27

GRC30

BrRA17

C11

D13

A9

OO WOA:

B:

C:

B134

B135

B136

D: B137

B275FAN

CONTROLAMP

BW 2

1RL

4B

BR

BLOWER MOTOR

1

BW 2

BREF. TO GND-08

L

F24

F96

B275(GRAY)

213 4

F79

1 2

B50

213 4

(GRAY)B282 (GRAY)

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16

A: B137D: B:

B135B:B134A:

1 2 3 410 11 12

19 20 2113

5 614 15

78 916 17 18 22

E: B84

1 2 7 8 95 63 410 11 12 19 20 21

29 30 3113 14 15 16 17

27 2818

22 23 24 25 26

GOr2

1

F79

PRESSURE SWITCH

BrY

TBN

A

NA

TB

NA

TB

: TURBO ENGINE MODEL

: NON-TURBO ENGINE MODEL

TB

NA

TB

NA

WO

TB

TB

NA OO

NA

B87

1212

A: B134

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 17 18 19 20 21 22 2324 25 26 27 28 29 30 31 32 33 34 35

54 6 78

219

310

22 2311 12 13 14 15

24 25 26 2716 17 18

28 2919 20

21 30

B136C:

5 6 78

219

4310

2422 23 2511 12 13 14 15

26 27 2816 17 18 19

20 21

F45

15 16 17 181 2 3 4 5 6 7 89 10 11 12 13 14

: OBD MODEL

OO : EXCEPT OBD MODEL

B283

415

326

1815 167 8 9 10 11

17 19 2012 13

14

B136C:WO

5 67 8

219

4310

2422 23 2511 12 13 14 15

2616 17

18 19 20 21

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

(BLACK)

RELAY HOLDER

F27

10111312

89

5 71 2

3 4

6

14

20212322

1819

15 1716

24

30313332

2829

25 2726

34

35

36

WI-04445

WI-61

Page 63: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

A/C

(AR

H)-

02

A/C

(AR

H)-

02

WI-02276

B56C:

B282A: B: B283

YG

AUTO A/C CONTROL MODULE

B2

A13

A14

RLR

(GRAY)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

B282 (GRAY)

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16

A: B283B:

TO POWER SUPPLY ROUTING

LR

MB-10M/B FUSE NO. 2

(B)

FB-17F/B FUSE NO. 18

(IG)

YG

LR

B1

FB-27 F/B FUSE NO. 9

(ACC)

GB

GY

B19

RE

F. T

O R

/DE

F(R

)-01

B10

B20

VR

EF.

TO

ILM

(RO

I)-0

1IL

M(R

WI)

-01

GE

(GREEN)

(BROWN)

C: B56

1 2 7 8 95 63 410 11 1219 20 21

13 14 15 16 17 1822 23 24

GY

C17

TRANSMISSIONCONTROL

MODULE (AT)

GW

BR

BR

16

B22

E3

B17

GB

3

GW

2

GY

1

MT

AT

VEHICLE SPEEDSENSOR (MT)

213 4

B17

1 2 3

B22

1 2 3 45 6 7 89 10 11 1213 14 15 16

: TURBO ENGINE MODEL

: NON-TURBO ENGINE MODEL

TB

NA

:

: WITHOUT ILLUMINATION CONTROL MODEL

WITH ILLUMINATION CONTROL MODEL : YL

: B

1*

1 *

(BLACK)NA B17 (BLACK)TB: :

WI-62

Page 64: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

A/C

(AR

H)-

03

A/C

(AR

H)-

03

WI-02277

(GRAY)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

B282 (GRAY)

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16

A:A: B283B:

B282A: B: B283 AUTO A/C CONTROL MODULE

Or

B9

RB

7

GR

B16

B17

A11

Or

Or

YB

YB

14Y

B1

Or

2

F78

AMBIENT SENSOR SUNLOADSENSOR

YB

12

i51

F45

B62

i2

B37

1 2

F78

B256

i51

(BLACK)

W23

W

Or

24O

r

YB

26Y

B

GR

25G

RG

R

EVAPORATIONTHERMO SWITCH

YB

12

B256

R

YB W

13

(GREEN)B: i10

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

F45

15 16 17 181 2 3 4 5 6 7 89 10 11 12 13 14

219

32

i2

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

i10B: COMBINATIONMETER

WB

12

Or

B11

YB

B8

-COM

LCD(OUT TEMP)

I/FI/F

WI-63

Page 65: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAir Conditioning System

A/C

(AR

H)-

04

A/C

(AR

H)-

04

WI-02278

B15

Lg

RA

7

GY

B5

BL

A15

RYL

A12A4

LW

B

B6

AUTO A/C CONTROL MODULE

1 2

B91

FRESH/RECIRCACTUATOR

A: B282 B: B283

BL

Lg

R

B293

B77

BB

12

REF. TO GND-07

WG

WG

3

E8

THERMOMETER

WG

WG

10

B21

E2

WG

WG

15

B21

E2

TB

NA

TB

NA

B77

MODE ACTUATOR

LW 1

3RY

2B

B293

AIR MIXACTUATOR

1 GY

L3

B2

(GRAY)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

B282 (GRAY)

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16

A: B283B:

123

(BLACK)B91

13 4 5 6

21 2

3

E8 (LIGHT GRAY)

TB

NA

: TURBO ENGINE MODEL

: NON-TURBO ENGIN MODEL

TB

NA

B21

1 25 6 7 8

13 14 15 169 10 11 12

3 4

17 18 19 20

(LIGHT GRAY)NA :

(BLACK)TB :

WI-64

Page 66: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAnti-lock Brake System

7. Anti-lock Brake SystemA: WIRING DIAGRAM1. LHD MODEL

AB

S(L

)-01

AB

S(L

)-01

WI-04446

RY

WR

24 25

GB

LR

1

Lg

Y22

FB-32F/B FUSE NO. 8

(B)

SBF-8SBF HOLDER

(B)

MB-13SBF-4

(B)

FB-31 F/B FUSE NO.16

(B)

FB-17F/B FUSE NO. 18

(IG)

FB-36F/B FUSE NO. 13

(IG)

(BLACK) (GREEN)(RED) (BROWN)B64

B301(GREEN)B:

C:

i10

ABS CONTROL MODULE

VALVE RELAY

B301

TO POWER SUPPLY ROUTING

1 2

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

LY 2WB 1

B64

15

WB

2LY

i1

B36

i2

B37

B264

B225

STOP LIGHTS WITCH

Lg

21

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22

27 28 29 30 3123 24 25 26

B26

ABS MOTOR

GROUND

B

B302

MOTOR RELAY

FR

OU

TL

ET

FR

INL

ET

RL

OU

TL

ET

RL

INL

ET

RR

OU

TL

ET

RR

INL

ET

FL

OU

TL

ET

FL

INL

ET

SO

LE

NO

IDVA

LVE

Lg

YB

3

RY

B19

C7

RW

RW

COMBINATIONMETER

PARKINGBRAKE

WARNINGLIGHT

ABS RELAY

14

B37

i2

ABSINDICATOR

LIGHT B:

C:

i10

i11

PUMP MOTOR

WR

RY

WW

2

B108

F46F44

B61

WB2

GB1

B3

LR4 B

REF. TO GND-02

ABS(L)-02A

ABS(L)-02B

RELAY HOLDER

W5

WB6

10A

WR

WR

4

RY

RY

5

F46

1212

B264

3 41 2 1 2 3 4

5 6 7 8

F44

1 3 4 5 6 7 8 1092

i11 i2

2 3 6 74 5 8 92019181716151413

112

1021 22

1123 24

i1

2 3 6 74 5 8 92019181716151413

112

1021 22

1123 24

RELAY HOLDER

B225

1011 12 13

14 15 161718

1920

21 22 23

24 25 262728

2930

31 32 33

34 35 363738

1 2

93 4

5 6

7 8

Lg

Y

15L

g

WB 1B 2

B304

ABS CONDENSER

B

REF. TO GND-03

(BLACK)

(BLACK)

B304

Lg

Y

RY

WI-65

Page 67: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAnti-lock Brake System

AB

S(L

)-02

AB

S(L

)-02

WI-04447

ABS CONTROL MODULE

LWLW Y

G

3

LW31

L19

WR

4

BrW

5

MB-9 SBF-5

(B)

(GRAY) (GRAY)F44B82 B79 B: B55B22

F60

B301

TO POWER SUPPLY ROUTING

1 23 4 5 6

BrW

GB

LgR

7

9

10

B 8

B79

Lg

R20

B81B82

B55

CHECKCONNECTOR

BrW

BR

LgR

1

4

5

BR 12

BR 13

B40

B22

DATA LINKCONNECTOR

(BLACK)

B301

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22

27 28 29 30 3123 24 25 26

YG

WR

3 6

BR

2B

R

BR

BR

F44

B61

BR

16

F60

E3E3

BR

16

B100

F2

BR

1

BR

GE

DIAGNOSISCONNECTOR

DIAGNOSISTERMINAL

B:

1 32 45 6 7 8 1 2 3 4 5 6 7

8 9 10 11 12 13 14 1 2 3 45 6 7 89 10 11 1213 14 15 16

1 2 3 4 5 6 7 8 910 11 12 13 14 15 16 17 1819 20 21 22 23 24

(BLACK) (BROWN)

(BROWN)

B40

1

9

2 3 4 5 6 7 8

10 11 12 13 14 15 16

B21

TRANSMISSIONCONTROLMODULE

B289

DRIVER'S CONTROLCENTER DIFF

CONTROL MODULEL

26

B

REF. TO GND-02

TB

NA

TBN

A

WD

ABS(L)-01 A

: TURBO ENGINE MODEL

: NON-TURBO ENGINE MODEL

TB

NA

: AT MODELAT

: WITH DRIVER'S CONTROL CENTER DIFF

WD

F2

3 41 2 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

5 6 7

(BLACK)

*1 : STi MODEL : 27 EXCEPT STi MODEL : 29

1 *

WD

YB

18Y

B27

WD

GL

17G

L28

WD

Br

16B

r29

LW10

WB

9

WD

ABS(L)-01 B

B289

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

AT

WI-66

Page 68: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAnti-lock Brake System

AB

S(L

)-03

AB

S(L

)-03

WI-02281

(GRAY)F94

(GRAY)B15

B292

B257

B301

ABS CONTROL MODULE

FRONT ABS

SENSOR LH

FRONT ABS

SENSOR RH

B301

B303

2 1 2 31

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22

27 28 29 30 3123 24 25 26

9 10 11 12 6 28

1 21 2

7 82 1 2 1

4 5

14 15

B W

W B L G W30

R B

23B

WB W L G

B W

10G

G9

LL

W B L G B W L G

2 3W B

1R

B99

R3

F94 B15 R73 R72B292

REAR ABS

SENSOR LH

REAR ABS

SENSOR RH

ABSG SENSOR(EXCEPT

STi MODEL)

2 3W VW

1R

W

B292

ABSG SENSOR

(STi MODEL)

2 3W BrY

1L

R

B257

ABSLATERAL

G SENSOR(STi MODEL)

29W

SB 1

SHIELD JOINTCONNECTOR

SB 2

SB

SB

BW

7

5

20 24W B

W B

8S

BS

B

R73

1 2

R72 B303

F45

2 3 6 74 5 8 92019181716151413

112

1021 22

1123 24

REF. TO GND-03

6

1 2 3 45 6 7 8

B62

F45

4B

W

B198

B99

(GRAY)B198

1 2 3 4 5

B261

R 1

JOINTCONNECTOR(LATERALG SENSOR)

RW 2

LR

B

VW

4

3

5

BrY 6

B261

1 2 3 4 5 6

TW

IST

ED

WIR

E

TW

IST

ED

WIR

E

TW

IST

ED

WIR

E

TW

IST

ED

WIR

E

WI-67

Page 69: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAnti-lock Brake System

2. RHD MODELA

BS

(R)-

01

AB

S(R

)-01

WI-04543

RR

OU

TL

ET

OC

WC

RY

RY

24

W

LR

WR

25

FB-32F/B FUSE NO.8

(B)

FB-31 F/B FUSE NO.16

(B)

FB-36 F/B FUSE NO.13

(IG)

(BLACK) (BLACK) (PINK) (GREEN)B64

(BLACK)F49

B65

(GREEN)B: i10

ABS CONTROL MODULE

ABS MOTOR GROUNDVALVE RELAYF73

TO POWER SUPPLY ROUTING

1 2 1 23 4

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

F74

1 2 3 4 5 6 711 13 1412 15 16 17 18 19

8 920 21

1022

(BLACK)

LY 2WB 3

1WCOC

2

B64

B65

F96

B255

WB

2W

B

WR

LY

7

WR

4

208

STOP LIGHTSWITCH

: WITH CRUISE CONTROL MODEL: WITHOUT CRUISE CONTROL MODEL

OM

AS : FOR AUSTRALIA STi MODEL: OTHER MODELS

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22

27 28 29 30 3123 24 25 26

B26 1

B

MOTOR RELAY

FL

INL

ET

FL

OU

TL

ET

FR

INL

ET

FR

OU

TL

ET

RL

INL

ET

RL

OU

TL

ET

RR

INL

ET

SO

LE

NO

IDVA

LVE

GW

31

B3

C7

WR

COMBI-NATIONMETER

B:

C:

i10

i11

B37

i2

B61

F44

i2

B37

PUMP MOTOR

:

: WC

OC

SBF-8SBF HOLDER

(B)

WR

FB-17F/B FUSE NO.18

(IG)

MB-13SBF-4

(B)

GB

10A

RELAY HOLDER

ABS RELAY

B225

W34 WB

12

34

WBGBB

LR

B264

REF. TO GND-07

B

B200

F74

ABSINDICATOR

LIGHT

ABS(R)-02B

ABS(R)-02A

Lg

Y

9L

R

1

P3

Lg

YP

2221

1 2 3 4 5 6 7 8 9 10

i11C:B264

3 41 2 1 2 3 4

5 6 7 8

F44

219

32

i2

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

B225

1011 12 13

14 15 161718

1920

21 22 23

24 25 262728

2930

31 32 33

34 35 363738

1 2

93 4

5 6

7 8

Lg

Y

B19

AS

OM

P

WB 1B 2

F97

ABS CONDENSER

REF. TO GND-06

F97

1212

F49

B

GW

1

F96

3 41 2

(BLACK)(GRAY)

PARKINGBRAKE

WARNINGLIGHT

RELAY HOLDER

(BLACK)

WI-68

Page 70: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAnti-lock Brake System

AB

S(R

)-02

AB

S(R

)-02

WI-04448

LWLW

LW

YR

3LW

3121

WL

4

B

BrW

57

MB-9 SBF-5

(B)

(GRAY)

(GRAY)

B79

B: B55

(BROWN)B22

ABS CONTROL MODULE

F49

TO POWER SUPPLY ROUTING

BrW

GB

LgR

7

9

10

B 8

B79

Lg

R

BrW

Lg

R20

6

B200

B81B82

F74

CHECKCONNECTOR

BrW

BR

LgR

1

4

5

GW 12

GW 13

B40

B22

E3

DATA LINKCONNECTOR

(BLACK)F49

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22

27 28 29 30 3123 24 25 26

GL

17B

r16

L19

YB

18

YR

18W

LY

RW

L19

3 6

BR

REF. TO GND-07

B BB21

GW

16B

R

GE

DIAGNOSISCONNECTOR

DIAGNOSISCONNECTOR

TRANSMISSIONCONTROLMODULE

B55B:

1 2 3 4 5 6 78 9 10 11 12 13 14

1 2 3 45 6 7 89 10 11 1213 14 15 16

1 2 3 4 5 6 7 8 910 11 12 13 14 15 16 17 1819 20 21 22 23 24

(BLACK)B40

1

9

2 3 4 5 6 7 8

10 11 12 13 14 15 16

WB

B12

Br

29

DRIVER'SCONTROL

CENTER DIFFCONTROLMODULE

B289

GL

28Y

B27

L26

WB

9LW

10ABS(R)-01 AABS(R)-01 B

B

REF. TO GND-07

(BLACK)B82

1 23 4 5 6

F74

2 3 4 5 6 7 812 14 1513 16 17 18 19 20

921

10111

22

(BLACK)

1 *

: AT MODELAT

: WITH DRIVER'S CONTROL CENTER DIFF

WD

*1 : STi MODEL : 27 EXCEPT STi MODEL : 29

WD

AT

Br

22G

L10

YB

11L

1

B289

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

WI-69

Page 71: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAnti-lock Brake System

AB

S(R

)-03

AB

S(R

)-03

WI-04449

(GRAY)

(BLACK)

F95

(GRAY)F94

B292

B257

ABS CONTROL MODULE

FRONT ABS

SENSOR LH

FRONT ABS

SENSOR RH

F49

2 1 2 31

9 10 11 12

144 15

6 28

1 21 2

237 8

2 1

13 1214 15

2 1

B R SB

YG YL

LG LR

W B L P B

530

WW R

23BYG YL

LG LR

YG YL

LG LR

W B L P YG YL

LG LR

2 3

B R

B

1W

SB

17W

W

16S

BS

B

F74

B200

F94 F95 R73 R72B292

REAR ABS

SENSOR LH

REAR ABS

SENSOR RH

ABSG SENSOR

B

29W

2120 31 32

YG YL

LG LR

YG YL

LG LR

B99

R3

1 2

R73

R72 F62 F74

2 3 4 5 6 7 812 14 1513 16 17 18 19 20

921

10111

22

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22

27 28 29 30 3123 24 25 26

F49

REF. TO GND-06

F62

SB 1

SHIELD JOINTCONNECTOR

SB 2

SB

SB

B

6

5

7

1 2 3 45 6 7 8

(GRAY)(BLACK)

(BLACK)

(BLACK)

ES

T

STi

STi

STi

B261

GR 3

JOINT CONNECTOR(LATERAL G SENSOR)

W 1

GR

GOr

GOr

6

2

5

R 4

ES

T

STi2 3

W GO

r

1G

R

B257

ABS LATERALG SENSOR

(STi MODEL)

TW

IST

ED

WIR

E

TW

IST

ED

WIR

E

TW

IST

ED

WIR

E

TW

IST

ED

WIR

E

TW

IST

ED

WIR

E

TW

IST

ED

WIR

E

B261

1 2 3 4 5 6

219

32

B99

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

*2 *3

STi

EST

: STi MODEL

: EXCEPT STi MODEL: STi : GR EXCEPT STi : W*2

: STi : GOr EXCEPT STi : R*3

WI-70

Page 72: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

8. AT Control SystemA: WIRING DIAGRAM1. LHD MODEL

WI-04450

SH

IEL

D A

ND

SE

NS

OR

G

RO

UN

DJO

INT

C

ON

NE

CTO

R

EN

GIN

EC

ON

TR

OL

MO

DU

LE

AT

F T

EM

PE

RA

TU

RE

SE

NS

OR

SH

IFT

SO

LE

NO

ID 1

SH

IFT

SO

LE

NO

ID 2

2-4B

TIM

ING

SO

LE

NO

ID

L/C

TIM

ING

SO

LE

NO

ID

LIN

E P

RE

SS

UR

E S

OL

EN

OID

LO

CK

-UP

SO

LE

NO

ID

2-4B

SO

LE

NO

ID

AW

D S

OL

EN

OID

B21 A3

A2

B17

C14 C

5B

10 A1

C21

A11

A20

TH

OR

TT

LE

PO

SIT

ION

SE

NS

OR

ABS CONTROLMODULE

A22 A5

A16

A15 A

9

A7

A18 A

6

A21

C19

B1

B3

B14

B4

B5

B6

B7

C11

B16

C2

C10

C17

B23

B11

B20

VE

HIC

LE

SP

EE

D

SE

NS

OR

1 (

AW

D)

VE

HIC

LE

SP

EE

D

SE

NS

OR

2

TOR

QU

E C

ON

VE

RT

ER

TU

RB

INE

S

PE

ED

SE

NS

OR

B24

A19

B18

A10 B8

B9 S

HIE

LD

JO

INT

CO

NN

EC

TOR

LIN

E E

ND

CH

EC

KC

ON

NE

CTO

R

TRANSMISSION CONTROL MODULE

C24

C15 A23

A24

B12

C1

DA

TA L

INK

C

ON

NE

CTO

RC

HE

CK

CO

NN

EC

TOR

IGN

ITIO

N S

WIT

CH

OFF

B ACC

IG ST

ACC

ON

ST

F/B FUSE NO.18

F/B FUSE NO.11

F/B FUSE NO.13

F/B FUSE NO.16

M/B FUSE NO.4

SBF-4

SBF-2

STO

P L

IGH

T S

WIT

CH

SBF-5

SB

F-1

P R N D 3 2 1

CO

MB

INA

TIO

N M

ET

ER

DIMMER CIRCUIT

HO

LD

AW

D

AT

OIL

TE

MP

PO

WE

R

TO BRIGHT SWITCH

I/FI/F

MIC

RO

CO

MP

UT

ER

SP

EE

DO

-M

ET

ER

INH

IBIT

OR

SW

ITC

H

RP DN 3 2 1

KICK-DOWN SWITCH

FWD SWITCH (AWD)

PO

WE

R

MO

DE

AN

D S

NO

WH

OL

D M

OD

ES

WIT

CH

BA

TT

ER

Y

SNOW

HOLD

POW

ER

OF

F

WI-71

Page 73: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

AT

(L)-

01

AT

(L)-

01

WI-02285

9

INHIBITOR SWITCH

i1

L

8 LW

10 LG

3 W

11 BY

4 R

6 G

5 LB

P

i11

COMBINATIONMETER

C:

i12A:

T7 B12

T7 T3 B12

R N D 3 2 1

GR

A14

RL

A13

Lg

A12

WA

11

RB

A10

YB

A4

LB

A5

RW

1 2 3 45 6 7 89 10 11 12

i12A: (GREEN)

1 2 3 4 5 67 8 9 10 11 12 13 14

FB-36F/B FUSE NO.13

(IG)

P

TO POWER SUPPLY ROUTING

TRANSMISSION CONTROL MODULE

DIMMER CIRCUIT

R N D 3 2 1

BP

LA

3

3 GR

2 RL

1 Lg

8 W

7 RB

6 YB

5 LB

4 B

REF. TO GND-02

B36

GR

9

RL

8

Lg

7

W6

RB

5

YB

4

LB

3

B1

B3

B14 B4

B5

B6

B7

GR

RL

Lg W RB

YB

LB

B55B:

1 2 3 4 5 6 7 8 910 11 12 13 14 15 16 17 1819 20 21 22 23 24

B55B:

REF. TO ILM(L)-02

AT(L)-02B

A AT(L)-02

1 2 3 4 5 6 7 8 9 10

(GREEN)i11C: (BROWN)i1

2 3 4 5 6 7 813 15 1614 17 18 19 20 21

922

10121

231124

(GRAY)

1 2 3 4 5 67 8 9 10 11 12

C7

RW

14

i2

B37

i2

3 41 2 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

5 6 7

RW

RW

WI-72

Page 74: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

AT

(L)-

02

AT

(L)-

02

WI-04451

C17

PC

11

B55B: B56C:

GB

16

TRANSMISSION CONTROL MODULE

RL

C2

C10

YG

GY

B

i2

i11

COMBINATIONMETER

C:

i10B:

B37

YG

17

GY

11

B18

i1

B36

P21

G20

RL

19

AT(L)-01 A

AT(L)-01 B

MICRO-COMPUTER

I/F

I/F

PO

WE

R

HO

LD

AW

D

AT

OIL

TE

MP

BC

6

GB

C2

YG

B5

YR

B4

GB

15

PB

16

B129

B133

KICKDOWNSWITCH

GW 2

B 1

G 2

BrB 5

B 4

V 3

B 6

POWER MODE ANDSNOW HOLD MODE SWITCH

POWERSNOWHOLDOFF

REF. TO ILM(L)-01

B11

GW

B23

BrB

REF. TO GND-02

1 2 3 4 5 6 7 8 9 10

(GREEN)i11C:

(GREEN)B: i10

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

i2

2 3 4 5 6 7 813 15 1614 17 18 19 20 21

922

10121

231124

(BROWN)i1

2 3 4 5 6 7 813 15 1614 17 18 19 20 21

922

10121

231124

(GRAY)B: B55

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

(GREEN)C: B56

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

(BLACK)B129

12

(BLUE)B133

1 34 5 6

2

WI-73

Page 75: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

AT

(L)-

03

AT

(L)-

03

WI-02287

LY YR

GR

GB

BR

FB-31F/B FUSE NO.16

(B)

MB-7M/B FUSE NO.4

(B)

FB-21F/B FUSE NO.11

(IG)

MB-9SBF-5

(B)

FB-17F/B FUSE NO.18

(IG)

TO POWER SUPPLY ROUTING

GB 7

LgB 12

B 8

BR 1

LgB 10

BR 12

BR 13

GR

A23

GR

A24

C15

WB

B12

YR

C1

B79

CHECKCONNECTOR

DATA LINKCONNECTOR

LINE END CHECKCONNECTOR

B54A: B55B:

(BLACK) (GRAY)

(GRAY)

C:

B:A:

B64 B79

B54 B55

B40

B56 TRANSMISSION CONTROL MODULE

LYWB

21

B64

STOP LIGHT SWITCH

1 21

9

2 3 4

1 2 7 8 9 1 2

1 2 3 45 6 7 89 10 11 1213 14 15 16

5 6 7 8

5 63 4

2 39

18 10

4 511 12

6 713 14 10 11

10 11 1219 20 21

133 4

10 11 1219 20 21

1314 155 6

14 1516 17 1822 23 24

7 8 916 17 1822 23 24

12 13 14 15 16

Lg

B

BW 4

LW 2

B300

F44

B61

F45

B62

1 2 3 45 6 7 8

F44

YR

YR

21

BR

BR

2

16B

R

GE

B22

E3

BR

B

REF. TO GND-02

C24

LW

F45

2 3 4 5 6 7 813 15 1614 17 18 19 20 21

922

10121

231124

B22

(GREEN)

(BROWN)

C: B56

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

: TURBO ENGINE MODEL

: NON-TURBO ENGINE MODEL

TB

NA

B300

1 34 5 6

2

BW 6

B40

(BLACK)

WI-74

Page 76: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

AT

(L)-

04

AT

(L)-

04

WI-04452

D: B137

415

326

1815 167 8 9 10 11

17 19 2012 13

14

B136C:WO

WO

5 67 8

219

4310

2422 23 2511 12 13 14 15

2616 17

18 19 20 21

A: B:

C:

B54A: C: B56B: B55 TRANSMISSION CONTROL MODULE

RG

B19

Lg

B13

Sb

B3

GA

10P

GC

18R

YC

1Y

RC

15G

WB

rRD

2D

19

C16

WO

OO

C17

C15

A30

B17

B16

A31

C11

YR

B10

GW

A1

BrR

C21

GB

17P

GC

14

Lg

A3

BR

B20

LWB

21

Sb

A2

RY

C5

BY

RG

LW3

LW31

BR

36B

35B

RB

R17

WR

3Y

R4

BR

2L

g11

Sb

12

BY

9

B

F45

B62

F27

FWD SWITCH (AWD)

ABS CONTROL MODULE

ENGINE CONTROLMODULE

THROTTLE POSITION SENSOR SHIELD AND SENSOR

GROUND JOINT CONNECTOR

B301

B122E13

E2

B21

B134 B135

B136 D: B137

5 6 78

219

4310

2422 23 2511 12 13 14 15

26 27 2816 17 18 19

20 21

54 6 78

219

310

22 2311 12 13 14 15

24 25 26 2716 17 18

28 2919 20

21 30

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22

27 28 29 30 3123 24 25 26

B301

E13

B135 B136B: C:

A: B134

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 17 18 19 20 21 22 2324 25 26 27 28 29 30 31 32 33 34 35

1 2 3 4

B21 (LIGHT GRAY)(DARK BROWN)

REF. TO GND-01

(GRAY)B: B55

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

A: B54

1 2 7 8 95 63 410 11 1219 20 21

13 14 15 16 17 1822 23 24

1 25 6 7 8

13 14 15 169 10 11 12

3 4

17 18 19 20

: OBD MODEL

: EXCEPT OBD MODEL

WO

OO

3 17 3

WO

OO

B122

1 34 5 6

2

(GREEN)C:

:

OO B122:

B56

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

F45

2 3 4 5 6 7 813 15 1614 17 18 19 20 21

922

10121

231124

OO

1 2 3 45 6 7 8

(BLACK)

RELAY HOLDER

F27

10111312

89

5 71 2

3 4

6

14

20212322

1819

15 1716

24

30313332

2829

25 2726

34

35

36

WI-75

Page 77: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

AT

(L)-

05

AT

(L)-

05

WI-02289

Br

Br

AW

D S

OL

EN

OID

Or

W

14

B9

AT4

YR

YR

2-4

B S

OL

EN

OID

AT7

L

L

LO

CK

-UP

SO

LE

NO

ID

AT3

R

R

LIN

E P

RE

SS

UR

ES

OL

EN

OID

AT2

Gr

Gr

L/C

TIM

ING

SO

LE

NO

ID

AT9

BB

2-4

B T

IMIN

GS

OL

EN

OID

AT8

Y

YY

SH

IFT

SO

LE

NO

ID 2

AT6G

G

15B

BW

1718L

1920L

gB

111212435139616

BW

A10

BL

A19

BY

B8

W

B18

G

B24

Lg

A11

L

A9

G

A7

RY

A18

Or

A6

WG

C19

BL

A21

BL

A15

LO

r

SH

IFT

SO

LE

NO

ID 1

AT

F T

EM

PE

RA

TU

RE

SE

NS

OR

VE

HIC

LE

SP

EE

D S

EN

SO

R 1

(A

WD

)

AT5

VE

HIC

LE

SP

EE

D S

EN

SO

R 2

TOR

QU

E C

ON

VE

RT

ER

TU

RB

INE

SP

EE

D S

EN

SO

R

B53

B11

T4

BY

SHIELDJOINTCONNECTOR

6LgB 4SB 5BL 3L 1

SB 2BW 9B 7

SB 8

A16

Lg

R

A5

RW

A22

LR

A20

WR

W

W YW YW

GLgLGRYOr

WG

BL

LO

r

Lg

R

RW LR

WR

B56 TRANSMISSION CONTROL MODULEC:B55B:B54A:

AT4 (BROWN)

B54A:

1 2

21 22 23 2410 11 12 13 14 15 16 17 1819 20

1 2 93 4 5 6 7 8

B55B: (GRAY)

1

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

B56C: (GREEN)

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

B11 (BLACK)

10 11 1213 14 15 16

17 18 19 20

1 2

9

3 45 6 7 8

(BLACK)

1 2 3 4 5 6 7 8 9 10 11 12

B53

WI-76

Page 78: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

2. RHD MODEL

WI-04453

SH

IEL

D

AN

DS

EN

SO

R

GR

OU

ND

JOIN

T

CO

N-

NE

CTO

R

EN

GIN

EC

ON

TR

OL

MO

DU

LE

AT

F T

EM

PE

RA

TU

RE

SE

NS

OR

SH

IFT

SO

LE

NO

ID 1

SH

IFT

SO

LE

NO

ID 2

2-4B

TIM

ING

SO

LE

NO

ID

L/C

TIM

ING

SO

LE

NO

ID

LIN

E P

RE

SS

UR

E S

OL

EN

OID

LO

CK

-UP

SO

LE

NO

ID

2-4B

SO

LE

NO

ID

AW

D S

OL

EN

OIDTH

ORT

LE P

OSI

TIO

NSE

NSO

R

ABS CONTROLMODULE

CRUISE CONTROLMODULE

VE

HIC

LE

SP

EE

D

SE

NS

OR

1 (

4WD

)

VE

HIC

LE

SP

EE

D

SE

NS

OR

2

TOR

QU

E C

ON

VE

RT

ER

TU

RB

INE

S

PE

ED

SE

NS

OR

SH

IEL

D J

OIN

T C

ON

NE

CTO

R

LIN

E E

ND

C

HE

CK

CO

NN

EC

TOR

DA

TA L

INK

C

ON

NE

CTO

RC

HE

CK

CO

NN

EC

TOR

IGN

ITIO

N S

WIT

CH

OFF

B ACC

IG ST

ACC

ON

ST

F/B FUSE NO.18

F/B FUSE NO.11

F/B FUSE NO.13

F/B FUSE NO.16

M/B FUSE NO.4

SBF-4

SBF-2

STO

P L

IGH

T S

WIT

CH

SBF-5

SB

F-1

BA

TT

ER

Y

P R N D 3 2 1

CO

MB

INA

TIO

N M

ET

ER

DIMMER CIRCUIT

HO

LD

AW

D

AT

OIL

TE

MP.

PO

WE

R

TO BRIGHT SWITCHOR F/B FUSE NO.12

I/FI/F

MICROCOMPUTER

INH

IBIT

OR

SW

ITC

H

RP DN 3 2 1

KICK-DOWN SWITCH

FWD SWITCH (AWD)

SNOW

HOLD

POW

ER

OF

F

POW

ER

MO

DEAN

D SN

OWHO

LD M

ODE

SWIT

CH

DOWN

UP

ON WS

OS

WS

WS

LCD(SPORTS

SHIFT)

5V

WS

WS

WS

WS

WS

NA

BU

ZZ

ER

WS

:WIT

H SP

ORT

S SH

IFT

MO

DEL

OS

:WIT

HOUT

SPO

RTS

SHIF

T M

ODE

L

SPO

RTS

SHIF

T SW

ITCH

SP

OR

TS

SH

IFT

SO

LE

NO

IDW

S

SPEEDO-METER

B22B2

B13

B15

B21 A3

A2

B17

C14 C5

B10 A1

C21

A11

A20

A22 A5

A16

A15 A9

A7

A18 A6

A21

C19

B1

B3

B14

B4

B5

B6

B7

C11

B16

C2

C10

C21

C17

C4

C3

C13

C12

B23

B11

B20

B24

A19

B18

A10 B8

B9

TRANSMISSION CONTROL MODULE

C24

C15

A23

A24

B12

C1

A14

WI-77

Page 79: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

AT

(R)-

01

AT

(R)-

01

WI-04544

9

INHIBITOR SWITCHi3

L

8 LW

10 LG

3 W

11 BY

4 R

6 G

5 LB

P

i10

COMBINATIONMETER

B:

i11C:

i12A:

T7B12

T7 T3 B12

R N D 3 2 1

Or

A14

RL

A13

PA

12

GrL

A11

RB

A10

YL

A4

LB

A5

GW

1 2 3 45 6 7 89 10 11 12

i12A: (GREEN)

1 2 3 4 5 67 8 9 10 11 12 13 14

FB-36F/B FUSE NO.13

(IG)

P

TO POWER SUPPLY ROUTING

TRANSMISSION CONTROL MODULE

DIMMER CIRCUIT

R N D 3 2 1V

A3

Lg

BB

27

3 Or

2 RL

1 P

GrL8

7 RB

6 YL

5 LB

4 B

REF. TO GROUND DISTRIBUTION[GND-07]

B38

Or

10

Lg

B11

RL

9

P GrL

8 7

RB

6

YL

5

LB

4

C21 B3

B14 B4

B5

B6

B7

Lg

B

B1

Or

RL P RB

GrL YL

LB

B55B:

1 2 3 4 5 6 7 8 910 11 12 13 14 15 16 17 1819 20 21 22 23 24

B56C:B55B:

REF. To CLEARANCE LIGHT AND ILLUMINATION LIGHT SYSTEM [ILM (ROI)-02] [ILM(RW1)-02]

AT(R)-02B

A AT(R)-02

1 2 3 4 5 6 7 8 9 10

(GREEN)i11C:

(GRAY) B56C:

1 2 3 4 5 6 7 8 910 11 12 13 14 15 16 17 1819 20 21 22 23 24

(GREEN)

(BLACK)i3

2 3 4 5 6 7 812 14 1513 16 17 18 19 20

921

10111

221 2 3 4 5 67 8 9 10 11 12

: WITH SPORTS SHIFT MODEL

31

B37

i2

C7

GW

B26

GW

BU

ZZ

ER

WS

WS

B

(GREEN)B: i10

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

219

32

i2

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

WI-78

Page 80: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

WS

WS

WS

WS

AT

(R)-

02

AT

(R)-

02

WI-04454

C17

LYC

11

B55B: B56C:

OrL

B16

TRANSMISSION CONTROL MODULE

C2

C10

YG

C4

BrY

C13

Y

C12

PL

GY

B

i2

i11

COMBINATIONMETER

C:

i10B:

B37

YG

16

GY

7

B21

i3

B38

LY2

OrL

1

LO

r3

AT(R)-01 A

AT(R)-01 B

MICRO COMPUTER

I/F

I/F

PO

WE

R

HO

LD

AW

D

AT

OIL

TE

MP

BC

6

GY

C2

YG

B5

BrY

B22

YB

24

PL

B25

BrY

12

Y14

PL

15

RB

23R

13

LO

rB

4

OrL

B15

LYB

16

B129

B133 KICKDOWNSWITCH

GW 2

B 1

OrL 2

BrR 5

B 4

V 3

6

POWER MODE ANDSNOW HOLD MODE SWITCH

POWERSNOWHOLDOFF

B11

GW

B23

BrR

1 2 3 4 5 6 7 8 9 10

(GREEN)i11C:

(GREEN)B: i10

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

(GRAY)B: B55

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

(GREEN)C: B56

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

B129

12

(BLUE)B133

1 34 5 6

2

: WITH ILLUMINATION CONTROL MODEL : YL

WITHOUT ILLUMINATIONCONTROL MODEL : B

1*

1*

i2

219

32

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

(BLACK)i3

2 3 4 5 6 7 812 14 1513 16 17 18 19 20

921

10111

22

WS

WS

WS

5V

REF. TO GROUND DISTRIBUTION[ GND-07 ]

OS : WITHOUT SPORTS SHIFT MODEL

WS : WITH SPORTS SHIFT MODEL

REF. To CLEARANCE LIGHT AND ILLUMINATION LIGHT SYSTEM

[ILM(ROI)-01][ILM(RWI)-01]

BLR

YR

45

2B6

YB1B3

ON

UP

DOWN

SPORTS SHIFT SWITCH

(BLACK)(BLACK) B237

1 23 4 5 6

B237

C3

R

B2

YB

B13

YR

B15

LR

LCD(SPORTS SHIFT)

LO

r

WI-79

Page 81: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

AT

(R)-

03

AT

(R)-

03

WI-02292

LY YR

GR

GB

BR

FB-31F/B FUSE NO.16

(B)

MB-7M/B FUSE NO.4

(B)

FB-21F/B FUSE NO.11

(IG)

MB-9SBF-5

(B)

FB-17F/B FUSE NO.18

(IG)

TO POWER SUPPLY ROUTING

GB 7

LgB 12

B 8

BR 1

LgB 10

GW 12

GW 13G

RA

23G

RA

24

C15

WB

B12

YR

C1

B79

CHECKCONNECTOR

DATA LINKCONNECTOR

LINE END CHECKCONNECTOR

B54A: B55B:

(BLACK) (BLACK)

(GRAY)

C:

B:A:

B64

B54 B55

B56 TRANSMISSION CONTROL MODULE

1 2

1 2 7 8 9 1 25 63 410 11 1219 20 21

133 4

10 11 1219 20 21

1314 155 6

14 1516 17 1822 23 24

7 8 916 17 1822 23 24

(GRAY)B79

2 39

18 10

4 511 12

6 713 14

(BROWN)B22

1 2 3 45 6 7 89 10 11 1213 14 15 16

Lg

B

C24

RB

16G

W

GE

B22

E3

BR

BRB

REF. TO GND-07

(GREEN)C: B56

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

LY1WB2

23

B64

B65

: WITH CRUISE CONTROL MODEL

: WITHOUT CRUISE CONTROL MODEL

: FOR AUSTRALIA MODEL : RW EXCEPT FOR AUSTRALIA MODEL : RG

STOP LIGHT SWITCH

OC WC

OC

WC

WC

OC

:

:

B65

3 41 2

6

B40

4

RB 2

B300

2*

2*2*

B300

1 34 5 6

2

(BLACK)B40

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

WI-80

Page 82: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

AT

(R)-

04

AT

(R)-

04

WI-04455

A: B:

C:

B54A:

A:

C: B56B: B55 TRANSMISSION CONTROL MODULE

RG

C16

Lg

OO

C17

Sb

C15

OrW

A30

BL

B17

VW

B16

Br

A31

LR

C11

Lg

B

B19

WO

B13 B3

A10

C18 C1

C15 D2

D19

B19TB B7

B9

D9

A18

A19

D14

B28

Br

B10

LR

A1

Lg

BC

21

OrW

B17

BL

C14

Lg

A3

GO

rB

22

B20

LWB

21

Sb

A2

VW

C5

RL

3R

G1

3T

B2 1WO

OO 2

33 24

1

NA

TB 2

LW3

LW31 36

B35

LW21

BR

LW BR

15

Lg

Sb

RL

B

F45

B62

F74

B200

F27

FWD SWITCH (AWD)

ABS CONTROL MODULEENGINE CONTROL

MODULE

THROTTLE POSITION SENSOR SHIELD AND SENSOR

GROUND JOINT CONNECTOR F49

B83E13

E2

B21

CRUISE CONTROLMODULE

B94 B134 B135

B136 D: B137

GO

r3

5 6 78

219

4310

2422 23 2511 12 13 14 15

26 27 2816 17 18 19

20 21

54 6 78

219

310

22 2311 12 13 14 15

24 25 26 2716 17 18

28 2919 20

21 30

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22

27 28 29 30 3123 24 25 26

F49

E13

B83

B135

B136

B:

C: A: B134

1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 17 18 19 20 21 22 2324 25 26 27 28 29 30 31 32 33 34 35

1 2 3 4

B21

(GRAY)B: B55

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

A: B54

1 2 7 8 95 63 410 11 1219 20 21

13 14 15 16 17 1822 23 24

1 25 6 7 8

13 14 15 169 10 11 12

3 4

17 18 19 20

(GREEN)C: B56

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

F45

1 2 3 4 5 6 711 1210 13 14 15 16 17

8189

F74

1 2 3 4 5 6 711 13 1412 15 16 17 18 19

8 920 21

1022

(BLACK)

B94 (BLACK)

(BLACK)

(LIGHT GRAY)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

NA

NA

: NON-TURBO ENGINE OBD MODEL

: NON-TURBO ENGINE EXCEPT OBD MODEL

WO

OO

NA : NON-TURBO ENGINE MODEL

OS : WITHOUT SPORTS SHIFT MODEL

: TURBO ENGINE MODEL

NA

TB

BR

1911 912

20

NA

TB 18

WOTB

WO

TB TB

TB

TB

NA

NA

: TURBO ENGINE MODEL

: TURBO ENGINE MODEL

: R: YR: NON-TURBO ENGINE MODEL

: NON-TURBO ENGINE MODEL : YG: WR

3*

3 * 4 * 5 *

4*: TURBO ENGINE MODEL : NON-TURBO ENGINE MODEL

: BG: BR

5*

BR

OO

E13

1 2 3 B83

1 2 3 4 5 6

B134

1 2 3 410 11 12

19 20 2113

5 614 15

78 916 17 18 22

D: B137

1 2 78 9

5 63 410 11 1219 20 21

13 14 15 1617 18 22 23 24

B135B:

5 6 7 821 94310

2422 23 2511 12 13 14 15

26 27 2816 17 18 19

20 21

NA

REF. TO GROUND DISTRIBUTION

[GND-06]

(BLACK)

(GRAY)

D: D137

415

326

1815 167 8 9 10 11

17 19 2012 13

14

B136C:WO

5 67 8

219

4310

2422 23 2511 12 13 14 15

2616 17

18 19 20 21

:

OO B83:::

:

(BLACK)

RELAY HOLDER

F27

10111312

89

5 71 2

3 4

6

14

20212322

1819

15 1716

24

30313332

2829

25 2726

34

35

36

OS

WI-81

Page 83: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAT Control System

AT

(R)-

05

AT

(R)-

05

WI-04545

Br

Br

AW

D S

OL

EN

OID

Or

14

B9

AT4

YR

YR

2-4

B S

OL

EN

OID

AT7

L

L

LO

CK

-UP

SO

LE

NO

ID

AT3

R

R

LIN

E P

RE

SS

UR

ES

OL

EN

OID

AT2

Gr

Gr

L/C

TIM

ING

SO

LE

NO

ID

AT9

B

B2-

4 B

TIM

ING

SO

LE

NO

ID

AT8

BW

AT10Y

YY

SH

IFT

SO

LE

NO

ID 2

AT6

G

G

15

BW

1718B

1920111212435139616

Gr

A10

GrR

A19

GrB

B8

B18

W

B24

A11A9

G

A7

RY

A18

YG

A6

WG

C19

BW

A21

BW

A15

WB

SH

IFT

SO

LE

NO

ID 1

AT

F T

EM

PE

RA

TU

RE

SE

NS

OR

VE

HIC

LE

SP

EE

D S

EN

SO

R 1

(A

WD

)

AT5

VE

HIC

LE

SP

EE

D S

EN

SO

R 2

TOR

QU

E C

ON

VE

RT

ER

TU

RB

INE

SP

EE

D S

EN

SO

R

B53

B11

T4

GrB

SHIELDJOINTCONNECTOR

97

SB 8GrR 6

B 4SB 5Gr 3

1SB 2

A16

GB

A14

YL

A5

RW

A22

GL

A20

WR

Gr

W YW YW

WGRY

YG

WG

BW

WB

GB

W8

YL

RW GL

WR

Gr

B56 TRANSMISSION CONTROL MODULEC:B55B:B54A:

SP

OR

TS

SH

IFT

SO

LE

NO

ID

AT4 (BROWN) B54A:

1 2

21 22 23 2410 11 12 13 14 15 16 17 1819 20

1 2 93 4 5 6 7 8

B55B: (GRAY)

1

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

B56C: (GREEN)

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

: TURBO ENGINE MODEL : NON-TURBO ENGINE MODEL

: W: L

6*: TURBO ENGINE MODEL : NON-TURBO ENGINE MODEL

: W: LG

7*: TURBO ENGINE MODEL : NON-TURBO ENGINE MODEL

: B: G

8*: TURBO ENGINE MODEL

: NON-TURBO ENGINE MODEL

: NON-TURBO ENGINE MODEL

: TURBO ENGINE MODEL

: B: LR

9

10

*: WITH SPORTS SHIFT MODEL : WITHOUT SPORTS SHIFT MODEL

: P

: W

*

10 *

6 *6 *8 *

7 *9 * 7 *

8*

9*

TB

NA

B11 (BLACK)

10 11 1213 14 15 16

17 18 19 20

1 2

9

3 45 6 7 8

(BLACK)

1 2 3 4 5 6 7 8 9 10 11 12

B53

WS

WS : WITH SPORTS SHIFT MODEL

WI-82

Page 84: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAudio System

9. Audio SystemA: WIRING DIAGRAM1. LHD MODEL

AU

DIO

(L)-

01

AU

DIO

(L)-

01

WI-02295

FRONT DOOR TWEETER RH

G

BrW

WB

RY

25 24

FRONT DOOR SPEAKER RH FRONT DOOR SPEAKER LH FRONT DOOR TWEETER LH

D4

B101

D11

D14

1 2

D2

D12

12

B120

1 2 3 4 5 67 8 9 10 11 12 13 14

D4

LR

YG

FB-9M/B FUSE NO. 2

(B)

FB-27F/B FUSE NO. 9

(ACC)

TO POWER SUPPLY ROUTING

WB

RY

LR

YG

106

398 2

WB

RY

G

BrW

B30

RADIOB120

D1

G

BrW

V1

B7

RE

F. T

O IL

M(L

)-01

25 24

D1

D11

5 6 7 821

943

10

2422 23 25

11 12 13 14 1516 17 18 19

20 21

G

BrW

21

D12

WB

RY

21

D2

WB

RY

21

G

BrW

21

D14

WI-83

Page 85: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAudio System

AU

DIO

(L)-

02

AU

DIO

(L)-

02

WI-04456

RW LY RW LY

RW LY

RW LY

WR

RW

12

LY4 13

WR

5

B11

B

D23

D29

D21

D27

RADIOB120

B265

D27

B269

D21

D29 D23

BGR

REAR DOOR SPEAKER RH

ANTENNAAMP

211

REAR DOORSPEAKER LH

21

54

WW

B97

R1

3

RW LY

54

B120

1 2 3 4 5 67 8 9 10 11 12 13 14

W

R97

W14

1212

B121

BRACKETEARTH

1 2 3 45 6 7 8

B97R97

1 2

RB

RB

74 85 61 2 3

WI-84

Page 86: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAudio System

2. RHD MODELA

UD

IO(R

)-01

AU

DIO

(R)-

01

WI-02297

D14

1 2

D2

D12

12

B120

1 2 3 4 5 67 8 9 10 11 12 13 14

D4

LR

YG

MB-10M/B FUSE NO. 2

(B)

FB-27F/B FUSE NO. 9

(ACC)

TO POWER SUPPLY ROUTING

LR

YG

106

RADIOB120

V1 7

RE

F. T

O IL

M(R

)-01

D1

D11

5 6 7 821

943

10

2422 23 25

11 12 13 14 1516 17 18 19

20 21

1 *

1*:

: WITH ILLUMINATIONCONTROL MODEL : YL

WITHOUT ILLUMINATIONCONTROL MODEL : B

FRONT DOOR TWEETER RH

WB

RY

WB

RY

25 24

FRONT DOOR SPEAKER RH FRONT DOOR SPEAKER LH FRONT DOOR TWEETER LH

D14

B30

D1

WB

RY

398 2

G

BrW

G

BrW

B101

D11

G

BrW

25 24

WB

RY

21

D2

G

BrW

21

D12

G

BrW

21

WB

RY

21

D4

: NON-TURBO MODEL

: TURBO MODEL

NA

TB

NA

NA

TB

TB

NA

NA

TB

TBT

WIS

TE

D W

IRE

WI-85

Page 87: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMAudio System

AU

DIO

(R)-

02

AU

DIO

(R)-

02

WI-04457

RW LY RW LY

RW LY

RW LY

WR

RW

12

LY4

Or

13

WR

5

B11

B

D23

D29

D21

D27

RADIOB120

B265

D27

B269

D21

D29 D23

BGR

REAR DOOR SPEAKER RH

21

REAR DOORSPEAKER LH

21

54

RW LY

54

B120

1 2 3 4 5 67 8 9 10 11 12 13 14

: NON-TURBO ENGINE MODEL

: TURBO ENGINE MODEL

NA

TBN

A

NA

TB

TB NA

NA

TB

TB

1212

B121

BRACKETEARTH

ANTENNAAMP

1W

WB

B99

R3

28W

B

R97

W14

R97

1 2

Or

TW

IST

ED

WIR

E

219

32

B99

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

2574 85 6

1 2 3

WI-86

Page 88: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCharging System

10.Charging SystemA: WIRING DIAGRAM1. LHD MODEL

CH

G(L

)-01

CH

G(L

)-01

WI-04458

14

F26

1 2 3

GENERATOR

CHARGEWARNING

LIGHT

RW

RW

C7

LR2

BW

W

1

TO POWER SUPPLY ROUTING

FB-36F/B FUSE NO. 13

(IG)

RW

REF. TO P-SUP(L)-02

REF. TO P-SUP(L)-02

BW

B1

BW

BW

8B

WB

W13

i10

i11

B:

C:

COMBINATION METER

i2

B37

B62

F45

F26

F25

(GREEN)(GREEN) B: i10

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

B37

i2

i2

F45

3 41 2 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

5 6 7

(GREEN)i11C:

1 2 3 4 5 6 7 8 9 10

WI-87

Page 89: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCharging System

2. RHD MODELC

HG

(R)-

01

CH

G(R

)-01

WI-04459

31G

WG

W

B37

i2

F26

1 2 3

GENERATOR

CHARGEWARNING

LIGHT

GW

C7

AS

OM

Y2

AS : FOR AUSTRALIA STi MODEL

OM : OTHER MODELS

BW

W

1

TO POWER SUPPLY ROUTING

FB-36F/B FUSE NO. 13

(IG)

GW

REF. TO P-SUP(R)-02

REF. TO P-SUP(R)-02

BW

B1

BW

BW

BW

BW

18

i10

i11

B:

C:

COMBINATION METER

i2

B37

B62

F45

F26

F25

(GREEN)

(GREEN)

B: i10

1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

(GREEN)i11C:

1 2 3 4 5 6 7 8 9 10

F45

1 2 3 89 10

411 12 13 14 15 16

5 6 717 18

219

32

i2

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

4

WI-88

Page 90: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCombination Meter

11.Combination MeterA: WIRING DIAGRAM1. EXCEPT FOR AUSTRALIA STi MODEL

CM

(EA

)-01

CM

(EA

)-01

WI-02301

(GREEN)i12To A:

(GREEN)i10To B:

(GREEN)i11To C:

B16

B29

B15

B14

B7

B8

B1

B30

A7

A14

A3

A4

A8

A13

A6

C1

C2

C6

C5

C9

C10

A1

WI-89

Page 91: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCombination Meter

CM

(EA

)-02

CM

(EA

)-02

WI-04460

SE

AT

BE

LT W

AR

NIN

G L

IGH

TS

EA

T B

ELT

SW

ITC

H

EN

GIN

E C

ON

TR

OL

MO

DU

LE

AB

S C

ON

TR

OL

MO

DU

LE

TR

AN

SM

ISS

ON

CO

NT

RO

L M

OD

UL

E

OIL

PR

ES

SU

RE

SW

ITC

H

GE

NE

RA

TOR

BR

AK

E F

LU

ID L

EV

EL

WA

RN

ING

SW

ITC

H

AW

D W

AR

NIN

G L

IGH

T

MA

LF

UN

CT

ION

IND

ICA

TOR

LIG

HT

OIL

PR

ES

SU

RE

WA

RN

ING

LIG

HT

AB

S W

AR

NIN

G L

IGH

T

CH

AR

GE

WA

RN

ING

LIG

HT

PAR

KIN

G B

RA

KE

/BR

AK

E F

LU

ID L

EV

EL

WA

RN

ING

LIG

HT

AT

OIL

TE

MP

WA

RN

ING

LIG

HT

PAR

KIN

G B

RA

KE

SW

ITC

H

CM(EA)-03A

CM(EA)-04B

B19 B1

B2

B5

B4

B3

A6

B9

DO

OR

WA

RN

ING

LIG

HT

B

14

B13

IMM

OB

ILIZ

ER

IND

CA

TOR

LIG

HT

PO

WE

R P

ILO

T L

IGH

T

DO

OR

SW

ITC

H

AW

D-L

O S

WIT

CH

IMM

OB

ILIZ

ER

CO

NT

RO

L M

OD

UL

EB

6

C10

B

INT

ER

CO

OL

ER

WA

TE

R S

PR

AY

TA

NK

LE

VE

LW

AR

NIN

G L

IGH

TIN

TE

RC

OO

LE

R W

AT

ER

SP

RA

Y T

AN

KL

EV

EL

WA

RN

ING

SW

ITC

HB

5

TR

AN

SM

ISS

ON

CO

NT

RO

L M

OD

UL

E

SN

OW

HO

LD

PIL

OT

LIG

HT

AW

D-L

O IN

DIC

ATO

R L

IGH

T

B16

B15

RE

AR

DIF

FE

RE

NT

IAL

OIL

TE

MP

WA

RN

ING

LIG

HT

RE

AR

DIF

FE

RE

NT

IAL

OIL

TE

MP

SE

NS

OR

B4

RE

AR

DIF

FE

RE

NT

IAL

OIL

TE

MP

CIR

CU

IT

B10

WI-90

Page 92: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCombination Meter

CM

(EA

)-03

CM

(EA

)-03

WI-04461

FR

EE

INH

IBIT

OR

S

WIT

CH

DIM

ME

R S

WIT

CH

LO

CK

R AU

TO

TU

RN

SIG

NA

L IN

DIC

ATO

R L

IGH

T R

H

N

TU

RN

SIG

NA

L IN

DIC

ATO

R L

IGH

T L

H

HE

AD

LIG

HT

RE

LA

Y R

H

TU

RN

SIG

NA

L S

WIT

CH

HI-

BE

AM

P

CM(EA)-04E

CM(EA)-02 A CM(EA)-04CA

IRB

AG

WA

RN

ING

LIG

HT

AIR

BA

G C

ON

TR

OL

MO

DU

LEIGN

IGN

IGN

B

B

C3

B30 A7

B29

AIR

BA

G C

IRC

UIT

CM(EA)-04D

B18

A14

A13

A12

A11

A10 A4

A5

A12

DA

11

3A

10

2A

4

1A

5

A14

A13

DIMMER CIRCUIT

DR

IVE

R'S

CO

NT

RO

L C

EN

TE

R D

IFF

CO

NT

RO

L M

OD

UL

E

WI-91

Page 93: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCombination Meter

CM

(EA

)-04

CM

(EA

)-04

WI-04462

H

C

MICRO COMPUTER

FU

EL

GA

UG

E M

OD

UL

E

AM

BIE

NT

SE

NS

OR

TH

ER

MO

ME

TE

R

ILL

UM

INA

TIO

N L

IGH

TTA

IL &

ILL

UM

INA

TIO

NR

EL

AY

PO

WE

R C

IRC

UIT

EN

GIN

E C

OO

LA

NT

TE

MP

ER

AT

UR

E G

AU

GE

FU

EL

GA

UG

E

LC

D(S

PO

RT

S S

HIF

T)

LC

D B

AC

K L

IGH

T(S

PO

RT

S S

HIF

T)

RE

VO

LU

TIO

N IN

DIC

ATO

R L

IGH

T

LC

D(O

UT

TE

MP

)

LC

D(O

DO

/ TR

IP)SPEEDOMETERTACHOMETERF

C8

BU

ZZ

ER

BU

ZZ

ER

CIR

CU

IT

I/F

: AT MODEL

: MT MODEL

AT

MT

: WITH AUTO A/C MODELAC

B

TR

AN

SM

ISS

ION

CO

NT

RO

L

MO

DU

LE

VE

HIC

LE

SP

EE

D S

EN

SO

R

AU

TO A

/CC

ON

TR

OL

MO

DU

LE

TR

AN

SM

ISS

ION

CO

NT

RO

L M

DD

UL

E(W

ITH

SP

OR

TS

S

HIF

T M

OD

EL

)

EN

GIN

E C

ON

TR

OL

MO

DU

LE

CM(EA)-03 C

CM(EA)-03 D

A9

A2

B11B8

C9

C4

C6

E LO

W-F

UE

LW

AR

NIN

G L

IGH

T

MT

AT A

C

AC

C2

C5

I/F I/F

A8

CM(EA)-03 ECM(EA)-02 B

BRIGHTSWITCH

IGN

ITIO

N S

WIT

CH

C7

BATTERY

+ -

DRIVER DRIVER DRIVER

I/F

ODO/TRIP LCDBACK LIGHT

OUT TEMPLCD BACK

LIGHT

TR

IP R

ES

ET

SW

ITC

H

RE

VO

LU

TIO

N IN

DIC

ATO

RL

IGH

T S

ET

SW

ITC

H

B12

B22

B23

B24

B25

B27

A3

B26

EL

EC

TR

ICA

LLY

ER

AS

AB

LE

PR

OG

RA

MM

AB

LE

RO

M

5VDRIVER

RE

AR

FO

G L

IGH

T S

WIT

CH

RE

AR

FO

G L

IGH

T IN

DIC

ATO

R L

IGH

T

WI-92

Page 94: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCombination Meter

2. FOR AUSTRALIA STi MODELC

M(F

A)-

01

CM

(FA

)-01

WI-02547

(GREEN)i12To A:

(GREEN)i10To B:

(GREEN)i11To C:

B16

B29

B15

B14

B7

B8

B1

B30

A7

A14

A3

A4

A8

A13

A6

C1

C2

C6

C5

C9

C10

A1

WI-93

Page 95: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCombination Meter

CM

(FA

)-02

CM

(FA

)-02

WI-04463

SE

AT

BE

LT S

WIT

CH

EN

GIN

E C

ON

TR

OL

MO

DU

LE

AB

S C

ON

TR

OL

MO

DU

LE

OIL

PR

ES

SU

RE

SW

ITC

H

GE

NE

RA

TOR

BR

AK

E F

LU

ID L

EV

EL

WA

RN

ING

SW

ITC

H

MA

LF

UN

CT

ION

IND

ICA

TOR

LIG

HT

OIL

PR

ES

SU

RE

WA

RN

ING

LIG

HT

AB

S W

AR

NIN

G L

IGH

T

PAR

KIN

G B

RA

KE

SW

ITC

H

CM(FA)-03A

B19 B1

B2

B3

A6

B9

B5

HI-

BE

AM

IND

ICA

TOR

LIG

HT

B

29

DIM

ME

R S

WIT

CH

B30

B

INT

ER

CO

OL

ER

WA

TE

R S

PR

AY

TA

NK

L

EV

EL

WA

RN

ING

LIG

HT

INT

ER

CO

OL

ER

WA

TE

R S

PR

AY

TA

NK

L

EV

EL

WA

RN

ING

SW

ITC

H

TU

RN

SIG

NA

L IN

DIC

ATO

R L

IGH

T L

H

TU

RN

SIG

NA

L IN

DIC

ATO

R L

IGH

T R

H

RE

AR

DIF

FE

RE

NT

IAL

OIL

TE

MP

WA

RN

ING

LIG

HT

B4

CH

AR

GE

WA

RN

ING

LIG

HT

PAR

KIN

G B

RA

KE

/BR

AK

E F

LU

ID

LE

VE

L W

AR

NIN

G L

IGH

T

BATTERY

+ -C

7

HE

AD

LIG

HT

RE

LA

Y R

H

IGN

ITIO

N S

WIT

CH

SE

AT

BE

LT W

AR

NIN

G L

IGH

T

TU

RN

SIG

NA

L S

WIT

CH IGN

C3

A7

RE

AR

DIF

FE

RE

NT

IAL

OIL

TE

MP

CIR

CU

IT

RE

AR

DIF

FE

RE

NT

IAL

OIL

TE

MP

SE

NS

OR

FR

EE

LO

CK

AU

TOA

14

A13

A12

A11

A10 A4

A5

DIMMER CIRCUIT

POWER CIRCUIT

DR

IVE

R'S

CO

NT

RO

L C

EN

TE

R D

IFF

CO

NT

RO

L M

OD

UL

E

CM(FA)-03B

CM(FA)-03C

WI-94

Page 96: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCombination Meter

CM

(FA

)-03

CM

(FA

)-03

WI-04464

CM(FA)-02 A

CM(FA)-02 B

TAIL AND ILLUMINATIONRELAY

B

B24

B25 B7

AIR

BA

G C

IRC

UIT

DIMMER CIRCUIT

AIR

BA

G W

AR

NIN

G L

IGH

T

RE

VO

LU

TIO

N IN

DIC

ATO

R L

IGH

T

DIMMER CIRCUIT

LIQ

UID

CR

YS

TAL

DIS

PL

AY

BA

CK

LIG

HT

LE

TT

ER

PL

AT

E

ILL

UM

INA

TIO

N L

IGH

T

PO

INT

ER

ILL

UM

INA

TIO

NL

IGH

T

• • •

DIMMER CIRCUIT

• • •

DIMMER CIRCUIT

• • •

CM(FA)-04D

CM(FA)-04E

MICROCOMPUTER

DRIVER

CL

OC

K

DRIVER

DIMMER CIRCUIT

DRIVER

RE

VO

LU

TIO

N IN

DIC

ATO

R

LIG

HT

SE

T S

WIT

CH

I/F

ST

i LO

GO

LIG

HT

B20

B27

B28

B22

B23

ILLUMINATIONCONTROL VOLUME

B18

AIR

BA

G C

ON

TR

OL

MO

DU

LE

ILLUMINATIONLIGHT

CM(FA)-02 C

WI-95

Page 97: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCombination Meter

CM

(FA

)-04

CM

(FA

)-04

WI-04465

C8

B B

MICROCOMPUTER

LO

W-F

UE

LW

AR

NIN

G L

IGH

T

DRIVER DRIVERI/F

FU

EL

GA

UG

E

F

E

H

C

EN

GIN

E C

OO

LA

NT

T

EM

PE

RA

TU

RE

GA

UG

E SPEEDOMETERTACHOMETER

BU

ZZ

ER

I/F I/F

C10

CM(FA)-03 D

CM(FA)-03 E

CL

EA

RA

NC

E L

IGH

TIN

DIC

ATO

R L

IGH

T

I/F I/F

5V+

B12

B11 B8

C2

C2

EL

EC

TR

ICA

LLY

ER

AS

AB

LE

PR

OG

RA

MM

AB

LE

RO

M

LIQ

UID

CR

YS

TAL

DIS

PL

AY

(OU

T T

EM

P)

LIQ

UID

CR

YS

TAL

DIS

PL

AY

(OD

O/T

RIP

ME

TE

R)

TR

IP R

ES

ET

SW

ITC

H

VE

HIC

LE

SP

EE

D S

EN

SO

R

I/F

C5

A8

I/FI/F

EN

GIN

E C

ON

TR

OL

MO

DU

LE

TH

ER

MO

ME

TE

R

FU

EL

GA

UG

E M

OD

UL

E

A2

C2

A9

AM

BIE

NT

SE

NS

OR

AU

TO A

/CC

ON

TR

OL

MO

DU

LE

C6

B13

B14 B6

DO

OR

WA

RN

ING

LIG

HT

IMM

OB

ILIZ

ER

IND

ICA

TOR

LIG

HT

DO

OR

SW

ITC

H

IMM

OB

ILIZ

ER

C

ON

TR

OL

MO

DU

LE

TAIL AND ILLUMINATIONRELAY

WI-96

Page 98: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCruise Control System

12.Cruise Control SystemA: WIRING DIAGRAM

C/C

-01

C/C

-01

WI-02526

YG

RY

Lg

B

RW GL

LR

11 16

WB

20 10 9 15 1

FB-31F/B FUSE NO.16

(B)

FB-17F/B FUSE NO.18

(IG)

TO POWER SUPPLY ROUTING

MB-5HORN RELAY

CRUISE CONTROL SUB SWITCH

(SET)

(RESUME)

(CANCEL)

LY

LY2WB3

RY14

B65

YR1YG2

B107

B68

RG 1

RW

LgB 2

3

MT

AT

AT

GB

12G

B

RG

3

CRUISE CONTROLMAIN SWITCH

STOP LIGHT ANDBRAKE SWITCH

CLUTCH SWITCH (MT) GB

5

1

6

4

2

GL

YG

LR

V

YL

ON

B161

OFF

MT

C/C-03B

C/C-02A

B107 (BLUE)

1 2

B65 (BLACK)

1 23 4

(BLACK)B68

1 23 4 5

(BROWN)B161

1 23 4 5 6

B94 (BLACK)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

: AT MODEL

: MT MODEL

AT

MT

CRUISE CONTROL MODULEB94

1*

: AT : YG: YRMT

1*

REF. TO ILM(RWI)-01

WI-97

Page 99: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCruise Control System

C/C

-02

C/C

-02

WI-02527

DATA LINK CONNECTOR

B40

GW

13

GW

12

Lg

R5

BrW

4

BR

1

CHECK CONNECTOR

B79

B8

Lg

R10

BrW

9

GB

7

GE

B79 (GRAY)

(GRAY)(BLACK)B40

B17 (BLACK): :

CRUISE CONTROL MODULEB94TO POWER SUPPLY ROUTING

MB-9SBF-5

(B) 19

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

1 2 3 4 5 6 78 9 10 11 12 13 14

BR

GY

3G

Or

GW

16

E3

B22

VEHICLE SPEEDSENSOR (MT)

B

REF. TO GND-07

BR

GB

GY

GW

3

1

2

B17

TRANSMISSIONCONTROL

MODULE (AT)

GY

GOr

C17

B22

B56C:

B55B:

18B

rW

17L

gR

AT

MT

1 2 3

(GREEN)C: B56

1 2 3 410 11 1219 20 21

135 614 15

7 8 916 17 1822 23 24

B: B55

1 2 7 8 95 63 410 11 1219 20 21

13 14 15 16 17 1822 23 24

B22

1 2 3 45 6 7 89 10 11 12

1413 15 16

B94 (BLACK)

(BROWN)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

AT

: AT MODEL

: MT MODEL

AT

MT

AC/C-01

: NON-TURBO ENGINE MODEL

: TURBO ENGINE MODEL TB

NA

NA B17

3 41 2

(BLACK) TB

WI-98

Page 100: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMCruise Control System

C/C

-03

C/C

-03

WI-02528

4

T7

INHIBITOR SWITCH

P R N D 3 2 1

AT

TO BATTERY TERMINAL

B14

STARTER MOTOR

BY12

BW

WB

WR WR7

B94

T3 B12

12

11

CRUISE CONTROL MODULE

B94 (BLACK)

1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20

T7B12

1 2 3 45 6 7 89 10 11 12

1 2 3 4 5 67 8 9 10 11 12

WB

B7

CRUISE CONTROL ACTUATOR

6B

YG

4

B6

LO

r3

BY

2

BG

5

RL

1

REF. TO GND-06

B

REF. TO GND-07

B

14L

Or

13B

Y

5B

G

7R

L

BC/C-01

B7 (BLACK)

41 2 3

65

WI-99

Page 101: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMEngine Coolant Temperature Gauge System

13.Engine Coolant Temperature Gauge SystemA: WIRING DIAGRAM1. LHD MODEL

C/T

(L)-

01

C/T

(L)-

01

WI-04546

BW 24

B100 F2 F60 E3

GE

WG

A9

BW

A8

BW

WG

RW

C7

RW

RW

14R

W

FB-36F/B FUSE No.13

(IG)

TO POWER SUPPLY ROUTING

612

BW

WG

i2

B37

i2

B37

i1

B36

COMBINATIONMETER

i12A:

i11C:

ENGINECOOLANT

TEMPERATUREGAUGE

BW10

E2 B21

WG WG

15

E2 F61

WG WG 19

F2 B100

WG WG

THERMOMETER

WG

3

E8

BW BL15

BW

15

B22

E3

TB

NA

TB

NA

NA

TB

E8

1 23

B21

1 25 6 7 8

13 14 15 169 10 11 12

3 4

17 18 19 20

B22

1 2 3 45 6 7 89 10 11 1213 14 15 16

(GREEN)(LIGHT GRAY) (BROWN)A: i12

1 2 3 4 5 67 8 9 10 11 12 13 14

F61F60 (BROWN)

F2 (BLACK)

(BROWN)

(LIGHT GRAY)

(BLACK)

H

C

(GREEN)C: i11

1 2 3 4 5 6 7 8 9 10

i1

3 41 2 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

5 6 7

: NON-TURBO ENGINE MODEL

: TURBO ENGINE MODEL

NA

TB

TB

: :

TURBO ENGINE MODEL : BL: BNON-TURBO ENGINE MODEL

1*

1 *

i2

3 41 2 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 24

5 6 7

NA

WI-100

Page 102: 2004 IMPREZA SERVICE MANUAL QUICK …ken-gilbert.com/wrx/04impreza/imp04_wir_1.pdfFUJI HEAVY INDUSTRIES LTD. G1870GE7 2004 IMPREZA SERVICE MANUAL QUICK REFERENCE INDEX WIRING SYSTEM

WIRING SYSTEMEngine Coolant Temperature Gauge System

2. RHD MODELC

/T(R

)-01

C/T

(R)-

01

WI-02306

WG

A9

BW

A8

BW

WG

GW

GW

C7

GW

FB-36F/B FUSE NO. 13

(IG)

TO POWER SUPPLY ROUTING

1115W

G

BW

i2

B37

COMBINATIONMETER

i12A:

i11C:

ENGINECOOLANT

TEMPERATUREGAUGE

E2 B21

10WG WG

E2 B21

15WG WG

THERMOMETER

WG

3

E8

GE

BW

15

B22

E3

E8

1 23

B22

1 2 3 45 6 7 89 10 11 1213 14 15 16

(GREEN) (BROWN)A: i12

1 2 3 4 5 67 8 9 10 11 12 13 14

H

C

(GREEN)C: i11

1 2 3 4 5 6 7 8 9 10

TB

NA

TB

NA

(LIGHT GRAY)B21

1 25 6 7 8

13 14 15 169 10 11 12

3 4

17 18 19 20

(LIGHT GRAY)

(BLACK)

NA :

TB :

: NON-TURBO ENGINE MODEL

: TURBO ENGINE MODEL

NA

TB

31

B37

i2

:

TURBO ENGINE MODEL

: BW

: B

NON-TURBO ENGINE WITHOUT OBD MODEL

: NON-TURBO ENGINE WITH OBD MODEL

: BL :

1*

1 *G

W

219

32

i2

1 2 3 4 5 610 11 12 13 14 15

716

23 3019 20

22 26 27 28 29

817

24 3118

25

WI-101