System Diagram Electric NAVARA

ELECTRICAL SYSTEM

SECTIONELMODIFICATION NOTICE:Wiring diagrams have been changed.

CONTENTSPRECAUTIONS ...............................................................4

Supplemental Restraint System (SRS) AIRBAG and SEAT BELT PRE-TENSIONER ...............4

POWER SUPPLY ROUTING ...........................................5Schematic ....................................................................5Wiring Diagram - POWER - ........................................6

BATTERY .......................................................................13Service Data and Specifications (SDS).....................13

STARTING SYSTEM .....................................................14Wiring Diagram - START -/M/T Models.....................14Wiring Diagram - START -/LHD A/T Models .............15Wiring Diagram - START -/RHD A/T Models ............16Service Data and Specifications (SDS).....................17

CHARGING SYSTEM ....................................................18Wiring Diagram - CHARGE -/Gasoline Engine .........18Wiring Diagram - CHARGE -/Diesel Engine .............19Construction...............................................................20Service Data and Specifications (SDS).....................22

COMBINATION SWITCH...............................................23Check.........................................................................23

HEADLAMP - Conventional Type - .............................25Wiring Diagram - H/LAMP -/LHD Models..................25Wiring Diagram - H/LAMP -/RHD Models .................27

HEADLAMP - Daytime Light System - .......................29Wiring Diagram - DTRL -...........................................29

HEADLAMP - Dim-dip Lamp System - .......................32Wiring Diagram - DIMDIP - .......................................32

HEADLAMP - Headlamp Aiming Control -.................35Wiring Diagram - H/AIM - ..........................................35

PARKING, LICENSE AND TAIL LAMPS ......................37Wiring Diagram - TAIL/L -/Except LHD Modelsfor Europe ..................................................................37Wiring Diagram - TAIL/L -/LHD Models forEurope .......................................................................39

STOP LAMP ..................................................................41Wiring Diagram - STOP/L - .......................................41

BACK-UP LAMP............................................................42Wiring Diagram - BACK/L -/M/T Models ...................42Wiring Diagram - BACK/L -/A/T Models ....................43

REAR FOG LAMP .........................................................44Wiring Diagram - R/FOG -/LHD Models....................44Wiring Diagram - R/FOG -/RHD Models ...................45

TURN SIGNAL AND HAZARD WARNING LAMPS .....46Wiring Diagram - TURN -/Type-1 ..............................46Wiring Diagram - TURN -/Type-2 ..............................48

ILLUMINATION ..............................................................51Wiring Diagram - ILL -/LHD Models ..........................51Wiring Diagram - ILL -/RHD Models..........................53

INTERIOR ROOM LAMP...............................................55Wiring Diagram - ROOM/L - ......................................55

SPOT LAMP ..................................................................56Wiring Diagram - INT/L - ...........................................56

METER AND GAUGES .................................................57Combination Meter ....................................................57Wiring Diagram - METER -/Gasoline Engine withTachometer ................................................................60Wiring Diagram - METER -/Diesel Engine withTachometer ................................................................62Wiring Diagram - METER -/Gasoline Enginewithout Tachometer....................................................64Wiring Diagram - METER -/Diesel Engine withoutTachometer ................................................................65Unified Control Meter System Description ................66Meter/gauge Operation and Odo/Trip MeterSegment Check in Diagnosis Mode..........................66Flexible Print Circuit (FPC) (Models withTachometer) ...............................................................67Trouble Diagnoses/Models with Tachometer.............68Trouble Diagnoses/Models without Tachometer........73Electrical Components Inspection .............................78

WARNING LAMPS ........................................................80Schematic ..................................................................80

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EL-1

Wiring Diagram - WARN -/Gasoline Engine..............81Wiring Diagram - WARN -/Diesel Engine..................86Electrical Components Inspection .............................91

A/T INDICATOR .............................................................92Wiring Diagram - AT/IND -/LHD Models....................92Wiring Diagram - AT/IND -/RHD Models ...................93

WARNING CHIME .........................................................94Wiring Diagram - CHIME -/Diesel Engine Exceptfor Europe, Australia and The Middle East ...............94Wiring Diagram - CHIME -/LHD Models forEurope .......................................................................95Wiring Diagram - CHIME -/RHD Models forEurope .......................................................................96

FRONT WIPER AND WASHER ....................................97Wiring Diagram - WIPER -/LHD Models withIntermittent .................................................................97Wiring Diagram - WIPER -/LHD Models withoutIntermittent .................................................................98Wiring Diagram - WIPER -/RHD M/T Models withIntermittent .................................................................99Wiring Diagram - WIPER -/RHD A/T Models withIntermittent ...............................................................101Wiring Diagram - WIPER -/RHD Models withoutIntermittent ...............................................................103

HEADLAMP WASHER ................................................105Wiring Diagram - HLC -...........................................105

HORN ...........................................................................106Wiring Diagram - HORN - .......................................106

CIGARETTE LIGHTER................................................107Wiring Diagram - CIGAR -.......................................107

CLOCK.........................................................................108Wiring Diagram - CLOCK -......................................108

REAR WINDOW DEFOGGER AND MIRRORDEFOGGER .................................................................109

Wiring Diagram - DEF -/LHD Models......................109Wiring Diagram - DEF -/RHD Models .....................110Electrical Components Inspection ........................... 111

AUDIO ..........................................................................112Wiring Diagram - AUDIO -/LHD Models Type-1......112Wiring Diagram - AUDIO -/LHD Models Type-2......113Wiring Diagram - AUDIO -/LHD Models Type-3......114Wiring Diagram - AUDIO -/RHD Models .................116

AUDIO ANTENNA .......................................................117Power Antenna/Wiring Diagram - P/ANT -..............117

POWER DOOR MIRROR ............................................118Wiring Diagram - MIRROR -/LHD Models Exceptfor The Middle East .................................................118Wiring Diagram - MIRROR -/LHD Models for TheMiddle East ..............................................................119Wiring Diagram - MIRROR -/RHD Models..............120

HEATED SEAT ............................................................121Wiring Diagram - H/SEAT - .....................................121

POWER WINDOW .......................................................123Schematic/Without Interruption DetectionFunction ...................................................................123Wiring Diagram - WINDOW -/Without InterruptionDetection Function...................................................124Trouble Diagnoses/Without Interruption DetectionFunction ...................................................................128System Description/With Interruption DetectionFunction ...................................................................129Schematic/With Interruption Detection Function .....130Wiring Diagram - WINDOW -/With InterruptionDetection Function...................................................131Trouble Diagnoses/With Interruption DetectionFunction ...................................................................135

POWER DOOR LOCK/EXCEPT FOR EUROPE ........137System Description..................................................137Wiring Diagram - D/LOCK -.....................................138Trouble Diagnosis....................................................140

POWER DOOR LOCK/FOR EUROPE........................144System Description..................................................144Wiring Diagram - D/LOCK -.....................................145Trouble Diagnosis....................................................147

MULTI-REMOTE CONTROL SYSTEM .......................151System Description..................................................151Schematic ................................................................152Wiring Diagram - MULTI - .......................................153Trouble Diagnoses...................................................157ID Code Entry Procedure ........................................161

NATS (Nissan Anti-Theft System)/Models forEurope with KA24E ....................................................162

Wiring Diagram - NATS -.........................................162NATS (Nissan Anti-Theft System)/Diesel engine ....163

Wiring Diagram - NATS -/LHD Models....................163Wiring Diagram - NATS -/RHD Models ...................164

LOCATION OF ELECTRICAL UNITS .........................165Engine Compartment...............................................165Passenger Compartment.........................................166

HARNESS LAYOUT ....................................................168Main Harness...........................................................168Engine Room Harness ............................................176Engine Control Harness ..........................................184Engine Harness .......................................................186Alternator Harness...................................................189Instrument Harness .................................................190Room Lamp Harness/LHD Models..........................191Room Lamp Harness/RHD Models .........................192Chassis Harness and Tail Harness .........................193Front Door Harness (LH side) .................................194Front Door Harness (RH side) ................................195

WIRING DIAGRAM CODES (CELL CODES).............196SUPER MULTIPLE JUNCTION (SMJ)..................Foldout

Terminal Arrangement........................................Foldout

CONTENTS (Contd)

EL-2

FUSE AND FUSIBLE LINK ...................................FoldoutTerminal Arrangement........................................Foldout

CONTROL UNITS/JOINT CONNECTOR (J/C).....FoldoutTerminal Arrangement........................................Foldout

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CONTENTS (Contd)

EL-3

Supplemental Restraint System (SRS) AIRBAG and SEAT BELT PRE-TENSIONER

The Supplemental Restraint System such as AIR BAG and SEAT BELT PRE-TENSIONER used along witha seat belt, helps to reduce the risk or severity of injury to the driver and front passenger in a frontal collision.The SRS system composition which is available to NISSAN MODEL D22 is as follows (The composition var-ies according to the destination and optional equipment.):Driver air bag module (located in the center of the steering wheel), front passenger air bag module (locatedon the instrument panel on passenger side), seat belt pre-tensioner, a diagnosis sensor unit, warning lamp,wiring harness and spiral cable.Information necessary to service the system safely is included in the RS section of this Service Manual.WARNING:I To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death

in the event of a collision which would result in air bag inflation, all maintenance must be performedby an authorized NISSAN dealer.

I Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and AirBag Module, see the RS section.

I Do not use electrical test equipment on any circuit related to the SRS unless instructed to in thisService Manual. Spiral Cable and wiring harnesses (except SEAT BELT PRE-TENSIONER) cov-ered with yellow insulation either just before the harness connectors or for the complete harnessare related to the SRS.

PRECAUTIONS

EL-4

Schematic

HEL669A

POWER SUPPLY ROUTING

EL-5

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Wiring Diagram POWER BATTERY POWER SUPPLY IGNITION SWITCH IN ANY POSITION

HEL670A

POWER SUPPLY ROUTING

EL-6

HEL671A

POWER SUPPLY ROUTINGWiring Diagram POWER (Contd)

EL-7

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HEL672A


EL-8

ACCESSORY POWER SUPPLY IGNITION SW. IN ACC OR ON

HEL673A


EL-9

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IGNITION POWER SUPPLY IGNITION SW. IN ON AND/OR START

HEL674A


EL-10

HEL675A


EL-11

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HEL676A


EL-12

Service Data and Specifications (SDS)

Applied model

Except for Europe

KA24DE

Standard

Type 55D23R

Capacity V-AH 12-48

BATTERY

EL-13

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Wiring Diagram START /M/T Models

HEL677A

STARTING SYSTEM

EL-14

Wiring Diagram START /LHD A/T Models

HEL678A

STARTING SYSTEM

EL-15

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Wiring Diagram START /RHD A/T Models

HEL679A

STARTING SYSTEM

EL-16

Service Data and Specifications (SDS)STARTER

Type

M0T60081A

MITSUBISHIReduction

Applied model

2WD 4WD

KA24DE

StandardSystem voltage V 12No-load

Terminal voltage V 11.0Current A Less than 90Revolution rpm More than 2,500

Minimum diameter of commutator mm (in) 28.8 (1.134)Minimum length of brush mm (in) 7.0 (0.276)

Brush spring tension N (kg, lb) 11.8 - 23.5(1.2 - 2.4, 2.6 - 5.3)

Movement in height of pinion assembly mm (in) 0.5 - 2.0(0.020 - 0.079)*: Not include the current of the magnet switch circuit

STARTING SYSTEM

EL-17

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Wiring Diagram CHARGE /Gasoline Engine

HEL680A

CHARGING SYSTEM

EL-18

Wiring Diagram CHARGE /Diesel Engine

HEL681A

CHARGING SYSTEM

EL-19

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Construction

MEL441HD

MEL644K

CHARGING SYSTEM

EL-20

MEL383IA

MEL664K

CHARGING SYSTEMConstruction (Contd)

EL-21

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Service Data and Specifications (SDS)ALTERNATOR

TypeA5TA5271 A7TA8471 A5TA5372 LR170-765 LR160-728F

MITSUBISHI HITACHI

Applied model KA24DEZ24

KA24 TD25, TD27, QD32Standard Option*

Nominal rating V-A 12-70 12-35 12-70 12-70 12-60

Ground polarity Negative

Minimum revolution under no-load(When 13.5V is applied) rpm

Less than 1,300 Less than 1,000

Hot output current(When 13.5V is applied) A/rpm

More than14/1,300

More than54/2,500

More than27/2,500

More than18/1,300

More than51/2,500

More than17/1,300

More than54/2,500

More than75/5,000

More than17/1,300

More than48/2,500

More than57/5,000

Regulated output voltage V 14.1 - 14.7

Minimum length of brushmm (in) 5.0 (0.20) 6.0 (0.236)

Brush spring pressureN (g, oz) 4.80 - 5.98 (490 - 610, 17.28 - 21.51) 1.0 - 3.43 (102 - 350, 3.60 - 12.34)

Slip ring minimum outer diametermm (in) 22.1 (0.870) 26.0 (1.024)

Rotor (Field coil) resistance W 2.5 - 2.9 2.6 - 3.1 2.5 - 2.9 2.58*: Models with power steering and air conditioner

CHARGING SYSTEM

EL-22

CheckFOR EUROPE AND LHD MODELS

HEL682A

COMBINATION SWITCH

EL-23

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RHD MODELS EXCEPT FOR EUROPE

HEL683A

COMBINATION SWITCHCheck (Contd)

EL-24

Wiring Diagram H/LAMP /LHD Models

HEL898

HEADLAMP Conventional Type

EL-25

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HEL684A

HEADLAMP Conventional Type Wiring Diagram H/LAMP /LHD Models(Contd)

EL-26

Wiring Diagram H/LAMP /RHD Models

HEL685A

HEADLAMP Conventional Type

EL-27

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HEL686A

HEADLAMP Conventional Type Wiring Diagram H/LAMP /RHD Models(Contd)

EL-28

Wiring Diagram DTRL

HEL687A

HEADLAMP Daytime Light System

EL-29

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HEL688A

HEADLAMP Daytime Light System Wiring Diagram DTRL (Contd)

EL-30

HEL689A

HEADLAMP Daytime Light System Wiring Diagram DTRL (Contd)

EL-31

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Wiring Diagram DIMDIP

HEL690A

HEADLAMP Dim-dip Lamp System

EL-32

HEL691A

HEADLAMP Dim-dip Lamp System Wiring Diagram DIMDIP (Contd)

EL-33

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HEL329A

HEADLAMP Dim-dip Lamp System Wiring Diagram DIMDIP (Contd)

EL-34

Wiring Diagram H/AIM

HEL692A

HEADLAMP Headlamp Aiming Control

EL-35

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HEL693A

HEADLAMP Headlamp Aiming Control Wiring Diagram H/AIM (Contd)

EL-36

Wiring Diagram TAIL/L /Except LHDModels for Europe

HEL694A

PARKING, LICENSE AND TAIL LAMPS

EL-37

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HEL695A

PARKING, LICENSE AND TAIL LAMPSWiring Diagram TAIL/L /Except LHDModels for Europe (Contd)

EL-38

Wiring Diagram TAIL/L /LHD Models forEurope

HEL696A

PARKING, LICENSE AND TAIL LAMPS

EL-39

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HEL697A

PARKING, LICENSE AND TAIL LAMPSWiring Diagram TAIL/L /LHD Models forEurope (Contd)

EL-40

Wiring Diagram STOP/L

HEL698A

STOP LAMP

EL-41

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Wiring Diagram BACK/L /M/T Models

HEL699A

BACK-UP LAMP

EL-42

Wiring Diagram BACK/L /A/T Models

HEL700A

BACK-UP LAMP

EL-43

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Wiring Diagram R/FOG /LHD Models

HEL701A

REAR FOG LAMP

EL-44

Wiring Diagram R/FOG /RHD Models

HEL702A

REAR FOG LAMP

EL-45

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Wiring Diagram TURN /Type-1FOR EUROPE (Single cab) AND EXCEPT FOR EUROPE (Except LHD models with dieselengine except for the Middle East)

HEL703A

TURN SIGNAL AND HAZARD WARNING LAMPS

EL-46

HEL704A

TURN SIGNAL AND HAZARD WARNING LAMPSWiring Diagram TURN /Type-1 (Contd)

EL-47

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Wiring Diagram TURN /Type-2FOR EUROPE (King cab and Double cab) AND LHD MODELS WITH DIESEL ENGINEEXCEPT FOR EUROPE AND THE MIDDLE EAST (Except STD grade with QD engine)

HEL705A

TURN SIGNAL AND HAZARD WARNING LAMPS

EL-48

HEL706A


EL-49

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HEL707A


EL-50

Wiring Diagram ILL /LHD Models

HEL708A

ILLUMINATION

EL-51

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HEL709A

ILLUMINATIONWiring Diagram ILL /LHD Models (Contd)

EL-52

Wiring Diagram ILL /RHD Models

HEL710A

ILLUMINATION

EL-53

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HEL711A

ILLUMINATIONWiring Diagram ILL /RHD Models (Contd)

EL-54

Wiring Diagram ROOM/L

HEL712A

INTERIOR ROOM LAMP

EL-55

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Wiring Diagram INT/L

HEL713A

SPOT LAMP

EL-56

Combination MeterWITH TACHOMETER

HEL714A

METER AND GAUGES

EL-57

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WITHOUT TACHOMETER

HEL715A

METER AND GAUGESCombination Meter (Contd)

EL-58

CONSTRUCTION (Without tachometer)

SEL434W

METER AND GAUGESCombination Meter (Contd)

EL-59

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Wiring Diagram METER /Gasoline Enginewith Tachometer

HEL716A

METER AND GAUGES

EL-60

HEL717A

METER AND GAUGESWiring Diagram METER /Gasoline Enginewith Tachometer (Contd)

EL-61

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Wiring Diagram METER /Diesel Enginewith Tachometer

HEL718A

METER AND GAUGES

EL-62

HEL719A

METER AND GAUGESWiring Diagram METER /Diesel Enginewith Tachometer (Contd)

EL-63

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Wiring Diagram METER /Gasoline Enginewithout Tachometer

HEL720A

METER AND GAUGES

EL-64

Wiring Diagram METER /Diesel Enginewithout Tachometer

HEL721A

METER AND GAUGES

EL-65

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Unified Control Meter System DescriptionUNIFIED CONTROL METERSpeedometer, odo/trip meter, tachometer, fuel gauge and watertemperature gauge are controlled totally by unified meter controlunit.

Meter/gauge Operation and Odo/Trip MeterSegment Check in Diagnosis ModeDIAGNOSIS FUNCTIONI Odo/trip meter segment can be checked in diagnosis mode.I Meters/gauges can be checked in diagnosis mode.

HOW TO ALTERNATE DIAGNOSIS MODE1. Turn ignition switch to ON and change odo/trip meter to TRIP

A or TRIP B.2. Turn ignition switch to OFF.3. Turn ignition switch to ON when pushing odo/trip meter switch.4. Confirm that trip meter indicates 000.0.5. Push odo/trip meter switch more than three times within 5 sec-

onds.6. All odo/trip meter segments should be turned on.NOTE: If some segments are not turned on, unified meter con-

trol unit should be replaced.At this point, the unified control meter is turned to diagnosismode.

7. Push odo/trip meter switch. Indication of each meter/gaugeshould be as shown left during pushing odo/trip meter switch ifit is no malfunctioning.

NOTE: It takes about 1 minute for indication of fuel gauge tobecome stable.

SEL110V

SEL111VA

METER AND GAUGES

EL-66

Flexible Print Circuit (FPC) (Models withTachometer)Tachometer, fuel gauge and water temperature gauge are con-nected with unified meter control unit (speedometer) by FlexiblePrint Circuit (FPC) connector. When replace or remove and installunified control unit (speedometer), disconnect and connect FPCconnector according to the following steps.

DISCONNECT1. Open connector cover.2. Release connector lock by holding both ends of it and pulling it

up.3. Disconnect FPC by pulling it up.

CONNECT1. Insert FPC into connector and lock connector pushing FPC

downward.2. Check secure connection of FPC.3. Check continuity of check land terminals for secure connection

of FPC.Resistance: 0 W

4. Close connector cover.

SEL427W

SEL109V

SEL162V

METER AND GAUGESMeter/gauge Operation and Odo/Trip MeterSegment Check in Diagnosis Mode (Contd)

EL-67

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Trouble Diagnoses/Models with TachometerPRELIMINARY CHECK

CHECK-IN

Can Diagnosis modebe activated? Refer toMeter/Gauge Opera-tion and Odo/Trip MeterSegment Check inDiagnosis Mode,EL-66.

Yes

ENo Do meter warning

lamps operate?

No

EYes Check the screws

securing speedometerand FPC.(The screws arelocated behind thecombination meter. Fordetails refer to EL-78.)

ECan Diagnosis modebe activated?

NoG

Check power supplyand ground circuit.Refer to POWER SUP-PLY AND GROUNDCIRCUIT CHECK,EL-70.

Check meter/gaugeoperation in Diagnosismode.

F

Yes

H

Malfunction is indicatedin Diagnosis mode.

No malfunction is indi-cated in Diagnosismode.

Replace speedometer(unified meter controlunit).

Check the following:I FPC connector con-

nectionRefer to FlexiblePrint Circuit (FPC),EL-67.

I Screws securing themalfunctioning meter/gauge(The screws arelocated behind thecombination meter.For details refer toEL-78.)

OKH

NG

SYMPTOM CHART 2Refer to EL-69.


Reconnect FPC connector and check continuity betweencheck land terminals and/or repair malfunctioning part.Refer to Flexible Print Circuit (FPC), EL-67.

H

H

H

H H

H H

H

METER AND GAUGES

EL-68

Before starting trouble diagnoses below, perform PRELIMINARY CHECK, EL-68.

SYMPTOM CHART 1 (MALFUNCTION IS INDICATED IN DIAGNOSIS MODE)Symptom Possible causes Repair order

Speedometer and/or odo/tripmeter indicate(s) malfunctionin Diagnosis mode.

I Speedometer (Unified meter control unit) I Replace speedometer (unified meter control unit).

Multiple meter/gauge indicatemalfunction in Diagnosismode.

One of tachometer/fuel gauge/water temp. gauge indicatesmalfunction in Diagnosismode.

I Meter/GaugeI Speedometer (Unified meter control unit)

1. Check resistance of meter/gauge indicating malfunction. Ifthe resistance is NG, replace the meter/gauge. Refer toMETER/GAUGE RESISTANCE CHECK, EL-78.

2. If the resistance is OK, replace speedometer (unified metercontrol unit).

SYMPTOM CHART 2 (NO MALFUNCTION IS INDICATED IN DIAGNOSIS MODE)Symptom Possible causes Repair order

Speedometer and odo/tripmeter are malfunctioning.

1. Sensor- Speedometer, Odo/Trip meter

2. FPC connector

3. Speedometer (Unified meter control unit)

1. Check vehicle speed sensor.INSPECTION/VEHICLE SPEED SENSOR (Refer to EL-71.)

2. Check FPC connector. Refer to FLEXIBLE PRINT CIRCUIT(FPC), EL-67.

3. Replace speedometer (unified meter control unit).Multiple meter/gauge are mal-functioning. (exceptspeedometer, odo/trip meter)

1. FPC connector


1. Check FPC connector. Refer to FLEXIBLE PRINT CIRCUIT(FPC), EL-67.

2. Replace speedometer (unified meter control unit).One of tachometer/fuel gauge/water temp. gauge is malfunc-tioning.

1. Sensor/Engine revolution signal- Tachometer

- Fuel gauge- Water temp. gauge

2. FPC connector


1. Check the sensor for malfunctioning meter/gauge.INSPECTION/ENGINE REVOLUTION SIGNAL (Refer toEL-71.)INSPECTION/FUEL TANK GAUGE (Refer to EL-72.)INSPECTION/THERMAL TRANSMITTER (Refer to EL-72.)

2. Check FPC connector. Refer to Flexible Print Circuit (FPC),EL-67.

3. Replace speedometer (unified meter control unit).

METER AND GAUGESTrouble Diagnoses/Models with Tachometer(Contd)

EL-69

GI

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POWER SUPPLY AND GROUND CIRCUIT CHECKPower supply circuit check

Terminals Ignition switch position! @ OFF ACC ON

q2 Ground Batteryvoltage

Batteryvoltage

Batteryvoltage

q37 Ground 0V 0V Batteryvoltage

If NG, check the following.I 7.5A fuse [No. 3 , located in fuse block (J/B)]I 10A fuse [No. 20 , located in fuse block (J/B)]I Harness for open or short between fuse and combination meter

Ground circuit checkTerminals Continuity

q3 - Ground Yes

SEL420W

SEL421W


EL-70

INSPECTION/VEHICLE SPEED SENSOR

CHECK VEHICLE SPEED SENSOROUTPUT.1. Remove vehicle speed sensor from

transmission.2. Check voltage between combination

meter terminals q7 and q15 while quicklyturning speed sensor pinion.Voltage: Approx. 0.5V

NG

EOK Vehicle speed sensor is

OK.

CHECK VEHICLE SPEED SENSOR.Check resistance between vehicle speedsensor terminals q1 and q2 .Resistance: Approx. 250 W

OK

ENG Replace vehicle speed

sensor.

Check harness or connector betweenspeedometer and vehicle speed sensor.

INSPECTION/ENGINE REVOLUTION SIGNAL (Modelswith tachometer)

Engine Check itemTerminals

Explanation! @

ECM con-trolled engine DC voltage

q16 q3

Higher rpm = Higher voltageLower rpm = Lower voltageVoltage should change withrpm.

Carburetor

AC voltageDieselTD27 andQD32

If NG, check the following.Engine Check item

ECM con-trolled engine I Harness for open or short and connection

Carburetor I Harness for open or short and connectionI Resistor etc.

DieselTD27 andQD32

I Harness for open or short and connectionI Engine revolution sensor etc.

SEL422W

SEL118V

SEL423W

H

H


EL-71

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IDX

INSPECTION/FUEL LEVEL SENSOR

CHECK GROUND CIRCUIT FOR FUELLEVEL SENSOR UNIT.Check harness continuity between fuellevel sensor unit terminal q1 and ground.Continuity should exist.

OK

ENG Repair harness or connec-

tor.

CHECK FUEL LEVEL SENSOR UNITS.Refer to FUEL LEVEL SENSOR UNITCHECK (EL-78).

OK

ENG Repair or replace.

Refer to FE section.

CHECK HARNESS.1. Disconnect combination meter connec-

tor N4 and fuel level sensor unit con-nector.

2. Check harness continuity between com-bination meter terminal q6 and fuellevel sensor unit terminal q3 .

Continuity should exist.3. Check continuity between combination

meter terminal q6 and ground.Continuity should not exist.

OK


tor.

Fuel level sensor is OK.

INSPECTION/THERMAL TRANSMITTERCHECK THERMAL TRANSMITTER.Refer to THERMAL TRANSMITTERCHECK (EL-79).

OK



tor N4 and thermal transmitter con-nector.

2. Check harness continuity between com-bination meter terminal q5 and thermaltransmitter terminal q1 .



OK


tor.

Thermal transmitter is OK.

SEL424W

SEL425W

SEL426W

H

H

H

H

H


EL-72

Trouble Diagnoses/Models without Tachometer

PRELIMINARY CHECKCHECK-IN

Can Diagnosis modebe activated? Refer toMeter/Gauge Opera-tion and Odo/TripMeter SegmentCheck in DiagnosisMode, EL-66.

Yes

ENo Do meter warning

lamps operate?

No

H

Yes

Can Diagnosis modebe activated?

NoG

Check power supplyand ground circuit.Refer to POWERSUPPLY ANDGROUND CIRCUITCHECK, EL-75.

Check meter/gaugeoperation in Diagno-sis mode.

F

Yes

H

Malfunction is indi-cated in Diagnosismode.

No malfunction isindicated in Diagnosismode.

Replace unified meter controlunit.

Check the following:I Screws securing

the malfunctioningmeter/gauge(The screws arelocated behind thecombination meter.For details refer toEL-78.)

OKH

NG



Retighten the loose screw.

H

H

H

H H

H H

H

METER AND GAUGES

EL-73

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IDX

Before starting trouble diagnoses below, perform PRELIMINARY CHECK, EL-73.

SYMPTOM CHART 1 (MALFUNCTION IS INDICATED IN DIAGNOSIS MODE)Symptom Possible causes Repair order

Odo/trip meter indicate(s) mal-function in Diagnosis mode.

I Unified meter control unit I Replace unified meter control unit.

Multiple meter/gauge indicatemalfunction in Diagnosismode.

One of speedometer/tachometer/fuel gauge/watertemp. gauge indicates mal-function in Diagnosis mode.

I Meter/GaugeI Unified meter control unit

1. Check resistance of meter/gauge indicating malfunction. Ifthe resistance is NG, replace the meter/gauge. Refer toMETER/GAUGE RESISTANCE CHECK, EL-78.

2. If the resistance is OK, replace unified meter control unit.

SYMPTOM CHART 2 (NO MALFUNCTION IS INDICATED IN DIAGNOSIS MODE)Symptom Possible causes Repair order

One/or more of speedometer/tachometer/fuel gauge/watertemp. gauge is malfunctioning.

1. Sensor- Vehicle speed signal- Fuel gauge- Water temp. gauge

2. Unified meter control unit

1. Check the sensor for malfunctioning meter/gauge.INSPECTION/VEHICLE SPEED SENSOR (Refer to EL-76.)INSPECTION/FUEL LEVEL SENSOR (Refer to EL-77.)INSPECTION/THERMAL TRANSMITTER (Refer to EL-77.)

2. Replace unified meter control unit.

METER AND GAUGESTrouble Diagnoses/Models without Tachometer(Contd)

EL-74

POWER SUPPLY AND GROUND CIRCUIT CHECKPower supply circuit check

Terminals Ignition switch position! @ OFF ACC ON


Batteryvoltage

Batteryvoltage

q22 Ground 0V 0V Batteryvoltage

If NG, check the following.I 7.5A fuse [No. 3 , located in fuse block (J/B)]I 10A fuse [No. 20 , located in fuse block (J/B)]I Harness for open or short between fuse and combination meter

Ground circuit checkTerminals Continuity

q23 - Ground Yes

SEL428W

SEL429W


EL-75

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IDX

INSPECTION/VEHICLE SPEED SENSOR

CHECK VEHICLE SPEED SENSOROUTPUT.1. Remove vehicle speed sensor from

transmission.2. Check voltage between combination

meter terminals q24 and q37 while quicklyturning speed sensor pinion.Voltage: Approx. 0.5V

NG

EOK Vehicle speed sensor is

OK.

CHECK VEHICLE SPEED SENSOR.Check resistance between vehicle speedsensor terminals q1 and q2 .Resistance: Approx. 250 W

OK

ENG Replace vehicle speed

sensor.

Check harness or connector betweenspeedometer and vehicle speed sensor.

SEL430W

SEL118V

H

H


EL-76

INSPECTION/FUEL LEVEL SENSOR

CHECK GROUND CIRCUIT FOR FUELLEVEL SENSOR UNIT.Check harness continuity between fuellevel sensor unit terminal q1 and ground.Continuity should exist.

OK


tor.

CHECK FUEL LEVEL SENSOR UNIT.Refer to FUEL LEVEL SENSOR UNITCHECK (EL-78).

OK


Refer to FE section.


tor N10 and fuel level sensor unit con-nector.

2. Check harness continuity between com-bination meter terminal q35 and fuellevel sensor unit terminal q3 .



OK


tor.

Fuel level sensor is OK.

INSPECTION/THERMAL TRANSMITTERCHECK THERMAL TRANSMITTER.Refer to THERMAL TRANSMITTERCHECK (EL-79).

OK



tor N10 and thermal transmitter con-nector.

2. Check harness continuity between com-bination meter terminal q34 and thermaltransmitter terminal q1 .



OK


tor.

Thermal transmitter is OK.

SEL424W

SEL431W

SEL432W

H

H

H

H

H


EL-77

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Electrical Components InspectionMETER/GAUGE RESISTANCE CHECK1. Disconnect FPC connector (Combination meter with tachom-

eter). Refer to EL-67.2. Check resistance between terminals (the points of installation

screws) of meter/gauge after removing meter/gauge.Screws Resistance

WTachometer Fuel/Temp. gaugeA - C A - C Approx. 140 - Approx. 260B - D B - C Approx. 230 - Approx. 310

FUEL LEVEL SENSOR UNIT CHECKI For removal, refer to FE section.Check the resistance between terminals q1 and q3 .

Ohmmeter Float position mm (in) Resistancevalue

W

(+) () 60 (13-1/4Imp gal) tank80 (17-5/8

Imp gal) tank

q3 q1

*1 Full 253 (9.96) 77 (3.03) Approx. 4 - 6*2 1/2 130 (5.12) 191 (7.52) 27 - 35*3 Empty 27 (1.06) 299 (11.77) 78 - 85

*1 and *3: When float rod is in contact with stopper.

SEL638W

SEL433W

GEL256

METER AND GAUGES

EL-78

THERMAL TRANSMITTER CHECKCheck the resistance between the terminals of thermal transmitterand body ground.

Water temperature Resistance60C (140F) Approx. 167 - 211W

100C (212F) Approx. 47 - 53W

VEHICLE SPEED SENSOR SIGNAL CHECK1. Remove vehicle speed sensor from transmission.2. Turn vehicle speed sensor pinion quickly and measure voltage

between terminals qa and qb .

MEL424F

SEL378PA

METER AND GAUGESElectrical Components Inspection (Contd)

EL-79

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Schematic

HEL722A

WARNING LAMPS

EL-80

Wiring Diagram WARN /Gasoline Engine

HEL723A

WARNING LAMPS

EL-81

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HEL724A

WARNING LAMPSWiring Diagram WARN /Gasoline Engine(Contd)

EL-82

HEL725A


EL-83

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HEL726A


EL-84

HEL727A


EL-85

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Wiring Diagram WARN /Diesel Engine

HEL728A

WARNING LAMPS

EL-86

HEL729A

WARNING LAMPSWiring Diagram WARN /Diesel Engine(Contd)

EL-87

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HEL730A


EL-88

HEL731A


EL-89

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HEL732A


EL-90

Electrical Components InspectionFUEL WARNING LAMP SENSOR CHECKI It will take a short time for the bulb to light.

GEL257

WARNING LAMPS

EL-91

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Wiring Diagram AT/IND /LHD Models

HEL781A

A/T INDICATOR

EL-92

Wiring Diagram AT/IND /RHD Models

HEL782A

A/T INDICATOR

EL-93

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Wiring Diagram CHIME /Diesel EngineExcept for Europe, Australia and The MiddleEast

FUEL FILTER WARNING BUZZER

HEL733A

WARNING CHIME

EL-94

Wiring Diagram CHIME /LHD Models forEurope

LIGHT WARNING BUZZER

HEL734A

WARNING CHIME

EL-95

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Wiring Diagram CHIME /RHD Models forEurope

LIGHT WARNING BUZZER

HEL735A

WARNING CHIME

EL-96

Wiring Diagram WIPER /LHD Models withIntermittent

HEL737A

FRONT WIPER AND WASHER

EL-97

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IDX

Wiring Diagram WIPER /LHD Modelswithout Intermittent

HEL738A


EL-98

Wiring Diagram WIPER /RHD M/T Modelswith Intermittent

HEL739A


EL-99

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HEL740A

FRONT WIPER AND WASHERWiring Diagram WIPER /RHD M/T Modelswith Intermittent (Contd)

EL-100

Wiring Diagram WIPER /RHD A/T Modelswith Intermittent

HEL741A


EL-101

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HEL742A

FRONT WIPER AND WASHERWiring Diagram WIPER /RHD A/T Modelswith Intermittent (Contd)

EL-102

Wiring Diagram WIPER /RHD Modelswithout Intermittent

HEL743A


EL-103

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HEL744A

FRONT WIPER AND WASHERWiring Diagram WIPER /RHD Modelswithout Intermittent (Contd)

EL-104

Wiring Diagram HLC

HEL745A

HEADLAMP WASHER

EL-105

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Wiring Diagram HORN

HEL746A

HORN

EL-106

Wiring Diagram CIGAR

HEL747A

CIGARETTE LIGHTER

EL-107

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Wiring Diagram CLOCK

HEL748A

CLOCK

EL-108

Wiring Diagram DEF /LHD Models

HEL749A

REAR WINDOW DEFOGGER AND MIRROR DEFOGGER

EL-109

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Wiring Diagram DEF /RHD Models

HEL750A


EL-110

Electrical Components InspectionREAR WINDOW DEFOGGER SWITCHCheck continuity between terminals when rear window defoggerswitch is pushed and released.

Terminals Condition Continuity

q1 - q2

Rear window defoggerswitch is pushed Yes

Rear window defoggerswitch is released NoGEL258


EL-111

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Wiring Diagram AUDIO /LHD ModelsType-1

WITH 1-SPEAKER EXCEPT FOR EUROPE

HEL751A

AUDIO

EL-112


WITH 2 OR 4-SPEAKERS (Without CD deck) AND WITH 1-SPEAKER (For Europe)

HEL752A

AUDIO

EL-113

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WITH 4-SPEAKERS (With CD deck)

HEL753A

AUDIO

EL-114

HEL754A

AUDIOWiring Diagram AUDIO /LHD ModelsType-3 (Contd)

EL-115

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Wiring Diagram AUDIO /RHD Models

HEL755A

AUDIO

EL-116

Power Antenna/Wiring Diagram P/ANT

HEL756A

AUDIO ANTENNA

EL-117

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Wiring Diagram MIRROR /LHD ModelsExcept for The Middle East

HEL757A

POWER DOOR MIRROR

EL-118

Wiring Diagram MIRROR /LHD Models forThe Middle East

HEL758A

POWER DOOR MIRROR

EL-119

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Wiring Diagram MIRROR /RHD Models

HEL818A

POWER DOOR MIRROR

EL-120

Wiring Diagram H/SEAT

HEL759A

HEATED SEAT

EL-121

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HEL379A

HEATED SEATWiring Diagram H/SEAT (Contd)

EL-122

Schematic/Without Interruption DetectionFunction

HEL760A

POWER WINDOW

EL-123

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IDX

Wiring Diagram WINDOW /WithoutInterruption Detection Function

HEL761A

POWER WINDOW

EL-124

HEL762A

POWER WINDOWWiring Diagram WINDOW /WithoutInterruption Detection Function (Contd)

EL-125

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HEL763A


EL-126

HEL764A


EL-127

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IDX

Trouble Diagnoses/Without InterruptionDetection Function

Symptom Possible cause Repair orderNone of the power windows can beoperated using any switch.

1. 30A fusible link and circuitbreaker-1

2. Grounds M1 and M543. Power window relay4. Open/short in power window

main switch circuit

1. Check 30A fusible link (letter b , located in fusible linkand fuse box) and circuit breaker-1, located in fuseblock. Turn ignition switch ON and verify battery posi-tive voltage is present at terminal q1 of power windowmain switch and terminal q5 of sub-switch.

2. Check grounds M1 and M54 .3. Check power window relay.4. Check harness between power window relay and

power window main switch for open/short circuit.Driver side power window cannot beoperated but other windows can beoperated.

1. Driver side power window regula-tor circuit

2. Driver side power window regula-tor

1. Check harness between power window main switchand power window regulator for open or short circuit.

2. Check driver side power window regulator.

One or some of power windowexcept driver side power windowcannot be operated.

1. Power window sub-switch2. Passenger side power window

regulator3. Power window main switch4. Power window circuit

1. Check power window sub-switch.2. Check power window regulator of malfunctioning

power window.3. Check power window main switch.4-1. Check harnesses between power window main

switch and power window sub-switch for open/shortcircuit.

4-2. Check harnesses between power window sub-switch and power window regulator for open/shortcircuit.

Passenger power window cannot beoperated using power window mainswitch but can be operated by powerwindow sub-switch.

1. Power window main switch 1. Check power window main switch.

Driver side power window auto func-tion cannot be operated using powerwindow main switch.


POWER WINDOW

EL-128

System Description/With Interruption DetectionFunction

OUTLINEPower window system consists ofI CPU (combined with power window main switch)I four power window regulatorsWhen ignition switch is in the ON position, power window can be operated depending on power windowsub/main switch condition.

OPERATIVE CONDITIONI Power windows can be raised or lowered with each sub-switch or the power window main switch located

on the drivers door trim when ignition switch is in the ON position and power window lock switch on thedrivers door trim is unlocked.

I When power window lock switch is locked, no windows can be raised or lowered except for drivers sidewindow.

I When ignition switch is in the ON position, to fully open/close the drivers side window, press down/pullup completely on the automatic switch (main switch) and release it; it needs not be held. The window willautomatically open/close all the way. To stop the window, pull up/press down then release the switch.

I After turning ignition switch to OFF, the drivers side window can be raised or lowered for 15 minutes. Thetimer control for supplying power after turning ignition switch to OFF will be canceled when the driversside door is closed. (Except models for Europe)

INTERRUPTION DETECTION FUNCTIONCPU (combined with power window main switch) monitors the power window regulator motor operation andthe power window position (full closed or other) for drivers power window by the signals from encoder andlimit switch in front power window regulator (drivers side).When CPU (combined with power window main switch) detects interruption during the following close opera-tion in the drivers side door,I automatic close operation when ignition switch is in the ON positionI automatic close operation during power window timer operationI manual close operation during power window timer operationCPU (combined with power window main switch) controls drivers power window regulator motor for open andthe power window will be lowered about 150 mm (5.91 in).

POWER WINDOW

EL-129

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Schematic/With Interruption Detection Function

HEL765A

POWER WINDOW

EL-130

Wiring Diagram WINDOW /WithInterruption Detection Function

HEL766A

POWER WINDOW

EL-131

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HEL767A

POWER WINDOWWiring Diagram WINDOW /WithInterruption Detection Function (Contd)

EL-132

HEL768A


EL-133

GI

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HEL769A


EL-134

Trouble Diagnoses/With Interruption DetectionFunction

Symptom Possible cause Repair orderNone of the power windows can beoperated using any switch.

1. 10A fuse, 30A fusible link

2. Ground circuit

3. Power window main switch

1. Check 10A fuse [No. 20 , located in fuse block (J/B)],30A fusible link (letter b , located in fuse and fusiblelink box).

2. Check ground circuit of power window main switchterminal q19 .

3. Check power window main switch.Driver side power window cannot beoperated but other windows can beoperated.

1. Driver side power window regula-tor circuit

2. Driver side power window regula-tor

3. M52 circuit breaker-24. M52 circuit breaker-2 circuit

5. Power window main switch circuit

1. Check harness between power window main switchand driver side power window regulator for open orshort circuit.

2. Check driver side power window regulator.

3. Check M52 circuit breaker-2.4. Check harness between M52 circuit breaker-2 and

30A fusible link (letter b , located in fuse and fusiblelink box).

5-1. Check harness between power window main switchterminal q13 and 10A fuse [No. 20 , located in fuseblock (J/B)].

5-2. Check harness between power window main switchterminal q5 and M52 circuit breaker.

One or more power windows exceptdrivers side window cannot be oper-ated.

1. Power window sub-switches2. Power window regulators3. Power window main switch4. Power window circuit

1. Check power window sub-switch.2. Check power window regulator.3. Check power window main switch.4-1. Check harnesses between power window main

switch and power window sub-switch for open/short circuit.

4-2. Check harnesses between power window sub-switch and power window regulator for open/short circuit.

Power windows except drivers sidewindow cannot be operated usingpower window main switch but canbe operated by power window sub-switch.


Driver side power window automaticoperation does not function properly.

1. Power window main switch2. Encoder and limit switch

1. Check power window main switch.2. Check encoder and limit switch. (EL-136)

Timer control for supplying powerafter turning ignition switch to OFFdoes not operate properly. (Exceptmodels for Europe)

1. Driver side door switch circuit

2. Driver side door switch3. Ignition switch ON signal circuit

4. Power window main switch

1. Check harness between driver side door switch andpower window main switch.

2. Check driver side door switch.3. Check ignition switch ON signal circuit to power win-

dow main switch.4. Check power window main switch.

POWER WINDOW

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ENCODER AND LIMIT SWITCH CHECKCHECK DOOR WINDOW SLIDEMECHANISMCheck the following.- Obstacles in window, glass molding, etc.- Worn or deformed glass molding- Door sash tilted too far inward or out-

ward- Door window regulator

OK

ENG Remove obstacles or

repair door window slidemechanism.

CHECK POWER SUPPLY TO LIMITSWITCH1. Disconnect driver side power window

regulator connector.2. Turn ignition switch ON.3. Check voltage between power window

main switch terminal q9 and ground.Approx. 5V should exist.

OK

ENG Replace power window

main switch.

CHECK LIMIT SWITCH OPERATION1. Turn ignition switch OFF.2. Connect driver side power window

regulator connector.3. Turn ignition switch ON.4. Check voltage between power window

main switch terminal q9 and groundduring power window closing operation.

NG

EOK CHECK ENCODER

Measure voltage betweenpower window main switchterminal q16 and groundwith oscilloscope whenpower window is in auto-matic closing operation.If check result is NG,replace power windowregulator motor (frontdriver side).If check result is OK,replace power windowmain switch.

RESET LIMIT SWITCHReset limit switch. Refer to BT section.Then check voltage between power win-dow main switch terminal q9 and groundduring power window closing operation atleast ten times.

OK


regulator motor (frontdriver side).

CHECK ENCODERMeasure voltage between power windowmain switch terminal q16 and ground withoscilloscope when power window is inautomatic closing operation.

OK


regulator motor (frontdriver side).

Replace power window main switch.

Terminal No. Condition Voltage (DCV)

q9

Approx. 15 mm(0.59 in) belowthe full closedposition to fullclosed position

Approx. 5

Other positions Approx. 0

Terminal No. Condition Voltage (DCV)

q9

Approx. 15 mm(0.59 in) belowthe full closedposition to fullclosed position

Approx. 5

Other positions Approx. 0

SEL408W

SEL407W

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POWER WINDOWTrouble Diagnoses/With Interruption DetectionFunction (Contd)

EL-136

System DescriptionPower is supplied at all timesI through 30A fusible link (Letter b , located in the fusible link and fuse box)I to circuit breaker-1 (terminal q1 of fuse block)I through circuit breaker-1 (terminal q7 of fuse block)I to door lock timer terminal q3 .Ground is supplied to door lock timer terminal q1 through body grounds M1 and M54 .

INPUTWhen the door lock & unlock switch (power window main switch) is in LOCKED position, ground signal issuppliedI to door lock timer terminal q5I through door lock & unlock switch terminal q14I to door lock & unlock switch terminal q3I through body grounds M1 and M54 .When the door lock & unlock switch (power window main switch) is in UNLOCKED position, ground signal issuppliedI to door lock timer terminal q8I through door lock & unlock switch terminal q7I to door lock & unlock switch terminal q3I through body grounds M1 and M54 .Driver side door key cylinder and driver side lock knob are connected to lock knob switch with a rod. Whenlock knob switch is in UNLOCKED position, ground signal is suppliedI to door lock timer terminal q6I through lock knob switch terminal q2I to driver side lock knob switch terminal q1I through body grounds M1 and M54 .When lock knob switch is in LOCKED position, ground signal is interrupted.Door lock operates according to the conditions of the door lock & unlock switch (power window main switch)and lock knob switch.

OUTPUTUnlockGround is suppliedI to passenger side door lock actuator, rear door lock actuator LH and RH terminal q1 (double cab mod-

els)I through door lock timer terminal q2 .Power is suppliedI to passenger side door lock actuator, rear door lock actuator LH and RH terminal q2 (double cab mod-

els)I through door lock timer terminal q4 .Then, the doors are unlocked.LockGround is suppliedI to passenger side door lock actuator, rear door lock actuator LH and RH terminal q2I through door lock timer terminal q4 .Power is suppliedI to passenger side door lock actuator, rear door lock actuator LH and RH terminal q1I through door lock timer terminal q2 .Then, the doors are locked.

POWER DOOR LOCK/EXCEPT FOR EUROPE

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Wiring Diagram D/LOCK

HEL770A


EL-138

HEL962

POWER DOOR LOCK/EXCEPT FOR EUROPEWiring Diagram D/LOCK (Contd)

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Trouble DiagnosisSYMPTOM CHARTREFERENCE PAGE EL-140 EL-141 EL-142 EL-143

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switc

hch

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None of the doors lock/unlock when operat-ing any switch. X X

One or more doors are not locked and/orunlocked. X

Door lock and unlock switch does not oper-ate.

X

Lock knob switch on drivers door does notoperate. X

MAIN POWER SUPPLY AND GROUND CIRCUIT CHECKMain power supply for door lock timer

Terminal Ignition switch! @ OFF ACC ON


Batteryvoltage

Batteryvoltage

Ground circuit for door lock timerTerminals Continuity

q1 - Ground Yes

SEL154V

SEL155V


EL-140

DIAGNOSTIC PROCEDURE 1(Door lock and unlock switch check)

CHECK DOOR LOCK AND UNLOCKSWITCH INPUT SIGNAL.1. Disconnect door lock timer connector.2. Check continuity between control unit

terminal q5 or q8 and ground.

NG

EOK Door lock and unlock

switch is OK.

CHECK DOOR LOCK AND UNLOCKSWITCH.1. Disconnect door lock and unlock switch

connector.2. Check continuity between power win-

dow main switch (Door lock and unlockswitch) terminals.

OK

ENG Replace door lock and

unlock switch.

Check the following.I Ground circuit for door lock and unlock

switchI Harness for open or short between door

lock and unlock switch and door locktimer connector

TerminalsDoor lock andunlock switch

conditionContinuity

q5 - Ground Lock YesN and Unlock No

q8 - Ground Unlock YesN and Lock No

Condition Terminals3 7 14

Lock q qN No continuity

Unlock q q

SEL156V

SEL409W

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POWER DOOR LOCK/EXCEPT FOR EUROPETrouble Diagnosis (Contd)

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DIAGNOSTIC PROCEDURE 2(Door lock actuator check)

CHECK DOOR LOCK ACTUATOR CIR-CUIT.Check voltage for door lock actuator.

OK

ENG Replace door lock timer.

(Before replacing controlunit, perform DIAGNOSTICPROCEDURE 1.)

CHECK DOOR LOCK ACTUATOR.1. Disconnect door lock actuator connec-

tor.2. Apply 12V direct current to door lock

actuator and check operation.

OK

ENG Replace door lock actuator.

Repair harness between door lock timerconnector and door lock actuator.

Lock knob switchcondition

Terminals VoltageV! @

Lock q2 ground BatteryvoltageUnlock q4 ground

Door lock actuator operation Terminals! @

Unlocked , Locked q1 q2Locked , Unlocked q2 q1

SEL158V

SEL159V

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EL-142

DIAGNOSTIC PROCEDURE 3(Driver side lock knob switch check)

CHECK LOCK KNOB SWITCH INPUTSIGNAL.Check voltage between door lock timerterminal q6 and ground.

NG

EOK Driver side lock knob

switch is OK.

CHECK LOCK KNOB SWITCH.1. Disconnect driver side lock knob switch

connector.2. Check continuity between lock knob

switch terminals.

OK

ENG Replace lock knob switch.

Check the following.I Ground circuit for lock knob switchI Harness for open or short between lock

knob switch and door lock timer


VoltageV

Lock Approx. 12Unlock 0


q1 - q2Locked No

Unlocked Yes

SEL160V

SEL161V

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System DescriptionPower is supplied at all timesI through 30A fusible link (Letter b , located in the fusible link and fuse box)I to circuit breaker-1 (terminal q1 of fuse block)I through circuit breaker-1 (terminal q7 of fuse block)I to smart entrance control unit terminal q11 .Ground is supplied to smart entrance control unit terminal q18 through body grounds M1 and M54 .

INPUTWhen the door lock & unlock switch (power window main switch) is in LOCKED position, ground signal issuppliedI to smart entrance control unit terminal q4I through door lock & unlock switch terminal q14I to door lock & unlock switch terminal q3I through body grounds M1 and M54 .When the door lock & unlock switch (power window main switch) is in UNLOCKED position, ground signal issuppliedI to smart entrance control unit terminal q5I through door lock & unlock switch terminal q7I to door lock & unlock switch terminal q3I through body grounds M1 and M54 .Driver side door key cylinder and driver side lock knob are connected to lock knob switch with a rod. Whenlock knob switch is in UNLOCKED position, ground signal is suppliedI to smart entrance control unit terminal q2I through lock knob switch terminal q2I to driver side lock knob switch terminal q1I through body grounds M1 and M54 .When lock knob switch is in LOCKED position, ground signal is interrupted.Door lock operates according to the conditions of the door lock & unlock switch (power window main switch)and lock knob switch.

OUTPUTUnlockGround is suppliedI to passenger side door lock actuator, rear door lock actuator LH and RH terminal q1 (double cab mod-

els)I through smart entrance control unit terminal q15Power is suppliedI to passenger side door lock actuator, rear door lock actuator LH and RH terminal q2 (double cab mod-

els)I through smart entrance control unit terminal q16Then, the doors are unlocked.LockGround is suppliedI to passenger side door lock actuator, rear door lock actuator LH and RH terminal q2I through smart entrance control unit terminal q16Power is suppliedI to passenger side door lock actuator, rear door lock actuator LH and RH terminal q1I through smart entrance control unit terminal q15Then, the doors are locked.

POWER DOOR LOCK/FOR EUROPE

EL-144

Wiring Diagram D/LOCK

HEL771A


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HEL772A

POWER DOOR LOCK/FOR EUROPEWiring Diagram D/LOCK (Contd)

EL-146

Trouble DiagnosisSYMPTOM CHARTREFERENCE PAGE EL-147 EL-148 EL-149 EL-150

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switc

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None of the doors lock/unlock when operat-ing any switch. X X

One or more doors are not locked and/orunlocked. X

Door lock and unlock switch does not oper-ate.

X

Lock knob switch on drivers door does notoperate. X

MAIN POWER SUPPLY AND GROUND CIRCUIT CHECKMain power supply for door lock timer

Terminal Ignition switch! @ OFF ACC ON


Batteryvoltage

Batteryvoltage

Ground circuit for door lock timerTerminals Continuity

q18 - Ground Yes

SEL860UF

SEL854UI


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DIAGNOSTIC PROCEDURE 1(Door lock and unlock switch check)

CHECK DOOR LOCK AND UNLOCKSWITCH INPUT SIGNAL.1. Disconnect smart entrance control unit

connector.2. Check continuity between control unit

terminal q4 or q5 and ground.

NG

EOK Door lock and unlock

switch is OK.

CHECK DOOR LOCK AND UNLOCKSWITCH.1. Disconnect door lock and unlock switch

connector.2. Check continuity between power win-

dow main switch (Door lock and unlockswitch) terminals.

OK

ENG Replace door lock and

unlock switch.

Check the following.I Ground circuit for door lock and unlock

switchI Harness for open or short between door

lock and unlock switch and smartentrance control unit connector

TerminalsDoor lock andunlock switch

conditionContinuity

q4 - Ground Lock YesN and Unlock No

q5 - Ground Unlock YesN and Lock No

Condition Terminals3 7 14

Lock q qN No continuity

Unlock q q

SEL147VD

SEL410W

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POWER DOOR LOCK/FOR EUROPETrouble Diagnosis (Contd)

EL-148

DIAGNOSTIC PROCEDURE 2(Door lock actuator check)

CHECK DOOR LOCK ACTUATOR CIR-CUIT.Check voltage for door lock actuator.

OK

ENG Replace door lock timer.

(Before replacing controlunit, perform DIAGNOSTICPROCEDURE 1.)

CHECK DOOR LOCK ACTUATOR.1. Disconnect door lock actuator connec-

tor.2. Apply 12V direct current to door lock

actuator and check operation.

OK

ENG Replace door lock actuator.

Repair harness between smart entrancecontrol unit connector and door lockactuator.


Terminals VoltageV! @

Lock q15 Ground BatteryvoltageUnlock q16 Ground

Door lock actuator operation Terminals! @

Unlocked , Locked q1 q2Locked , Unlocked q2 q1

SEL863UE

SEL159V

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DIAGNOSTIC PROCEDURE 3(Driver side lock knob switch check)

CHECK LOCK KNOB SWITCH INPUTSIGNAL.Check voltage between smart entrancecontrol unit terminal q2 and ground.

NG

EOK Driver side lock knob

switch is OK.

CHECK LOCK KNOB SWITCH.1. Disconnect driver side lock knob switch

connector.2. Check continuity between lock knob

switch terminals.

OK

ENG Replace lock knob switch.

Check the following.I Ground circuit for lock knob switchI Harness for open or short between lock

knob switch and smart entrance controlunit


VoltageV

Lock Approx. 12Unlock 0


q1 - q2Locked No

Unlocked Yes

SEL861UE

SEL161V

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EL-150

System DescriptionFUNCTIONMulti-remote control system has the following function.I Door lockI Door unlockI Hazard reminder

LOCK OPERATIONTo lock door by multi-remote controller, the following two signals must be received.I Key switch OFF (when ignition key is not in ignition key cylinder.)I All door switches CLOSEDWhen the LOCK signal is input to multi-remote control unit (the antenna of the system is combined with multi-remote control unit), ground is suppliedI through multi-remote control unit terminal q10I to door lock timer terminal q5 (models except for Europe)/smart entrance control unit terminal q4 (mod-

els for Europe) andI to door lock relay terminal q6 .Then door lock timer (models except for Europe)/smart entrance control unit (models for Europe) operates tolock doors (except for drivers door) and door lock relay energized to lock drivers door.

UNLOCK OPERATIONTo unlock door by multi-remote controller, the following signal must be received.I Key switch OFF (when ignition key is not in ignition key cylinder)When the UNLOCK signal is input to multi-remote control unit (the antenna of the system is combined withmulti-remote control unit), ground is suppliedI through multi-remote control unit terminal q11I to door lock timer terminal q8 (models except for Europe)/smart entrance control unit terminal q5 (mod-

els for Europe) andI to door lock relay terminal q5 .Then door lock timer (models except for Europe)/smart entrance control unit (models for Europe) operates tounlock doors (except for drivers door) and door lock relay is energized to unlock drivers door.

HAZARD REMINDERWhen the doors and locked or unlocked by multi-remote controller, ground is suppliedI to terminal q1 of multi-remote control relay-1 and 2I through multi-remote control unit terminal q12 .Then the relays are energized and hazard warning lamp flashes as followsI Lock operation: Flash onceI Unlock operation: Flash twice

MULTI-REMOTE CONTROLLER ID CODE ENTRYA maximum of four remote controllers can be entered. Any attempt to enter a remote controller will erase allID codes previously entered. Therefore, be sure to receive all remote controllers from the vehicle owner whenany ID code entry is performed.To enter ID code entry, the following signals must be input to the multi-remote control unit.I Driver side LOCKED signal (from driver side door unlock sensor)I Door switch CLOSED signalI Key switch signal (INSERTED/WITHDRAWN)I Accessory power supplyI Signal from remote controllerFor detailed procedure, refer to ID Code Entry Procedure in EL-161.

MULTI-REMOTE CONTROL SYSTEM

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Schematic

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EL-152

Wiring Diagram MULTI

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MULTI-REMOTE CONTROL SYSTEMWiring Diagram MULTI (Contd)

EL-154

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EL-156

Trouble DiagnosesSYMPTOM CHART

Symptom Possible cause Diagnoses/service orderNo doors can be locked or un-locked by remote control opera-tion. (See NOTE.)

1. Remote controller battery2. Key switch (insert)

3. Door switch

4. Power supply circuit for multi-re-mote control unit

5. Ground circuit for multi-remotecontrol unit

6. Remote controller

1. Check remote controller battery. Refer to EL-158.2. Check key switch (insert) signal at terminal q7 of multi-

remote control unit.3. Check door switch signal at terminals q1 and q2

of multi-remote control unit.4. Make sure battery voltage is present at terminal

q3 of multi-remote control unit.5. Check continuity between terminal q5 of multi-remote

control unit and ground.6. Replace remote controller. Refer to EL-161.

Drivers door cannot be locked orunlocked by remote controlleroperation.

Driver side door lock actuator circuit Check driver side door lock actuator circuit. Refer toEL-159.

Doors other than driver side cannotbe locked or unlocked by remotecontrol operation.(If the power door lock system doesnot operate correctly, check powerdoor lock system. Refer to EL-140.)

Lock/unlock signal to door lock timer(models except for Europe)/smartentrance control unit (models forEurope)

I When locking is not possible:Check continuity between terminal q10 of multi-remotecontrol unit and terminal q5 of door lock timer (modelsexcept for Europe)/terminal q4 of smart entrance con-trol unit (models for Europe).

I When unlocking is not possible:Check continuity between terminal q11 of multi-remotecontrol unit and terminal q8 of door lock timer (modelsexcept for Europe)/terminal q5 of smart entrance con-trol unit (models for Europe).

Hazard reminder does not operateproperly.

1. 10A fuse2. Multi-remote control relay-1 and

23. Hazard reminder circuit

1. Check 10A fuse (No. 5 , located in the fuse block).2. Check multi-remote control relay-1 and 2.

3. Check harness for open or short between relays andmulti-remote control unit terminal q12 .

The new ID of remote controllercannot be entered.

1. Remote controller battery2. Key switch (insert)

3. Door switch

4. Drivers door unlock sensor

5. Accessory power supply circuitfor multi-remote control unit

6. Remote controller

1. Check remote controller battery. Refer to EL-158.2. Check key switch (insert) signal at terminal q7 of multi-

remote control unit.3. Check door switch signal at terminals q1 and q2 of

multi-remote control unit.4. Check drivers door unlock sensor signal at terminal

q6 of multi-remote control unit.5. Make sure battery voltage is present at terminal q8 of

multi-remote control unit while ignition switch is in ACCposition.

6. Replace remote controller. Refer to EL-161.

Refer to MULTI-REMOTE CONTROL UNIT INSPECTION TABLE on next page to check the control unit sig-nals.NOTE:I Always check remote controller battery before replacing remote controller.I The unlock operation of multi-remote control system does not activate with key inserted in the ignition key

cylinder.I The lock operation of multi-remote controller does not activate with the key inserted ignition key cylinder

or if one of the door is opened.


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MULTI-REMOTE CONTROL UNIT INSPECTION TABLE

TerminalNo. Connections Condition

Voltage V(approximate

values)

1 Driver side door switch Driver side doorOpened 0Closed 12

2 Door switch (all doors) One of doors is opened 0All doors are closed 12

3 Power source (BAT) 125 Ground

6 Driver side door unlock sensor Driver side doorLocked 5

Unlocked 0

7 Key switch (insert) Key is in ignition key cylinder 12Key is not in ignition key cylinder 0

8 Accessory power supply Ignition switchOFF 0ACC or ON 12

10 Lock signalRemote controller LOCK button is pushed(All doors are closed and key is not in ignition key cylinder.) 0

Other than above condition 12

11 Unlock signalRemote controller UNLOCK button is pushed(Key is not in ignition key cylinder.) 0


12 Multi-remote control relay-1, 2Remote controller LOCK/UNLOCK button is pushed(All doors are closed and key is not in ignition key cylinder.) 0


REMOTE CONTROLLER BATTERY CHECKRemove battery and measure voltage across battery positive andnegative terminals, ! and @.

Measuring terminal Standard value! @

Battery positive terminal!

Battery negative terminal@

2.5 - 3.0V

Note:Remote controller does not function if battery is not set cor-rectly.

SEL439V

SEL672U

MULTI-REMOTE CONTROL SYSTEMTrouble Diagnoses (Contd)

EL-158

DRIVER SIDE DOOR LOCK ACTUATOR CHECK

CHECK DOOR LOCK RELAY.Refer to EL-160.

OK

ENG Replace the relay.

CHECK POWER SUPPLY FOR DOORLOCK RELAY.Check voltage between door lock relayterminal q3 and ground.Battery voltage should exist.

OK

ENG Check the following.

I 30A fusible link (letter b ,located in fusible link andfuse box) (No. 3 ,located in the fusible linkand fusible link box).

I Check harness for open orshort between fusible linkand relay.

CHECK GROUND CIRCUIT FOR DOORLOCK RELAY.Check continuity between door lock relayterminal q2 and ground.Continuity should exist.

OK

ENG Repair harness.

CHECK LOCK SIGNAL FOR DOORLOCK RELAY.Check continuity between door lock relayterminal q6 and multi-remote control unitterminal q10 .Continuity should exist.

OK

ENG Check harness for open or

short between door lockrelay and multi-remotecontrol unit.

CHECK UNLOCK SIGNAL FOR DOORLOCK RELAY.Check continuity between door lock relayterminal q5 and multi-remote control unitterminal q11 .Continuity should exist.

OK


short between door lockrelay and multi-remotecontrol unit.

CHECK DOOR LOCK ACTUATOR CIR-CUIT.1. Connect the relays.2. Disconnect driver side door lock actua-

tor.3. Check continuity between driver side

door lock actuator and door lock relay.Continuity should exist.

OK


short between door lockrelay and door lock actua-tor.

Replace door lock actuator.

SEL412W

SEL413W

SEL414W

SEL415W

SEL6

System Diagram Electric NAVARA

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Transcript of System Diagram Electric NAVARA