2003 TOYOTA TACOMA (EWD517U) · W–R D B–O B–O B–O B–W W 4 3E 7IF1 19 3D 20 3D 15 3A 16 3A...

2003 TOYOTA TACOMA (EWD517U)

M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

To Tachometer

[Com

b. Meter]<

27–3>

3 421

2

12

1

1

23

2

1

5

To Engine Control Module<4–7><30–7><30–8>

D

To Bulb Check R

elay[C

omb. M

eter]<

27–6><

28–4>

B–W

1 TOYOTA TACOMA ELECTRICAL WIRING DIAGRAM

A

223E

(A/T)

2

(M/T)

2

ACC

IG1

ST1

IG2

(*1)

AM1

G

1

67 AM2

W–R

2 2

W

B

2 2

G

3E20

3E6

4 EA1

21 IF18 IK3

W

2 2

3E21

3E103E7

G B–Y

G

W–R

9

6

2

2

3E5

3E8

21 IK2

IE

3A16

2

1

1 A1

B

EB

1

1

1

3A20

10 2

1

3 7 6 5 4 8

1 IK2

17 IF1

9

Y–GR

G

G

Y–GR

W

G

G

B–R

B

W–B

Y–GR

B

G

(*1 )

(A/T )

(A/T)(M

/T )

I14IGNITION SW

STARTERRELAY

G

C 8CLUTCH STARTCANCEL SW

P

N

P 1PA

RK

/NE

UTR

AL

POSITIO

N S

W

40A AM

1

30A A

M2

120A ALT

Y–G

R

W

B–W

G

G

2

W–B

B

(*1 )

BATTERY

Around the rightedge of thereinforcement

BR

B–L

LG–R

B–W

B–Y

LG–B

W–B

GR

G–Y

G

W–B

B–R

Near the throttle body

I 2IGNITER

W–B

B–R

B–RB–R

B–R

Around theleft edgeof thereinforcement

B–R

IG

B–RB–R

B–R

I 3IGN

ITION

CO

IL NO

. 1

I 4IGN

ITION

CO

IL NO

. 2

I 5IGN

ITION

CO

IL NO

. 3

E

P ow er S ource S ta rting (5V Z– FE ) Ign ition (5V Z–F E )

(*1 )

(A/T )

To EngineControlModule<30–5>

Y–GR

(A/T)

(* 1)

(*1 )

(M/T )

EA Front leftfender

W–B

W

W(*1 )

53

B–R

1I2

B–R

B–Y

3D19

1F5

B–Y4

3D15

1 7

10AGAUGE

JUN

CTIO

N C

ON

NE

CTO

R

BA

J 9J10

,

S 1 S 2,

STARTER

A B

C 9

CLU

TCH

STA

RT S

W(*1)

(* 1)

To Engine Control M

odule<

4–8><

30–8>

1I3

1F6

7. 5ASTA

(*1 )* 1 : Except 2WD M/T


M OVERALL ELECTRICAL WIRING DIAGRAM

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

B–R

3 421

2

12

1

1

1

23

22

1

5

2 TOYOTA TACOMA

GENERATOR

2

ACC

IG1

ST1

IG2

AM1

W

4

1

67 AM2

2 2

W–R

2 2

W

W

2 2

1I2

3E8

4 EA1

21 IF1

1E5

Front leftfender

EA

B–W

2 2

Around the leftedge of thereinforcement

IG

3E53E10

G

W–B

STARTERRELAY

2

21 IK2

3A16

C 9

CLU

TCH

START S

W2

1

1 A1

B

20 3A

2 EA1 1 EA1 3 EA1

5 IF1

1C7 1K5

1C6

L

IG

B

B1

B2

A1

S

B3

C

(*3 )

(*4 )

(*3 )

Y

C

(*4 )

(*3 )

1I4

1F10

10

13

G

W

B–Y

B–R

B–R

W

W

Y–GR

I14IGNITION SW

B

P

N

40A AM

1

30A A

M2

7. 5A ALT–S

120A ALT

W

B–W

G

WW

B

BATTERY

W R Y

YYY

R

Y

R

To Daytim

e Running Light

Relay (M

ain )<8–4>

B–W

IE

J 9JU

NC

TION

CO

NN

ECTO

R

C13

CH

AR

GE

WAR

NIN

G LIG

HT

[CO

MB. M

ETER]

7. 5AIGN

Y–G

R

10AGAUGE

P ow er S ource S tarting (3R Z–F E, 2R Z–F E) Charg ing

6 3E

3E21

7

3E20

3E

3E22

8 IK3

G

W–B

W–B

W

GG

E B

D A

B–Y

Y–GR

B–Y

B

G

W G

W

G(A/T )

G(M

/T )

G

W–B

W–B

W–B

To Bulb Check R

elay[C

omb. M

eter]<

27–6><

28–4>

To Engine Control

Module<

5–8><

6–8>

(M/T )

(M/T )

(M/T )(A

/T )

(A/T )

(A/T )

(M/T)


(M/T )

(M/T )

(M/T )

* 1 : 3RZ–FE A/T* 2 : 2RZ–FE A/T* 3 : w/ Daytime Running Light

C 8CLUTCH STARTCANCEL SW

53

1 7

Y–G

R

(M/T )

3D19

1F5

3D15

B–R

B–R

B–Y

R

JUN

CTIO

N C

ON

NE

CTO

R

BA

J 9J10

, S 1 S 2,

STARTER

A B

, G 2G 1 A B

To Engine C

ontrolM

odule<5–7>

<6–7>

Y–G

R(A/T )

(M/T )

(M/T )

6 A (*1)

5 B (*2)

6 B (*2)

9 A (*1)

P 1A

, B

PAR

K/NE

UTR

AL

POSITIO

N S

W

1I3

1F6

7. 5ASTA

* 4 : w/o Daytime Running Light

(M/T )


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

3 TOYOTA TACOMA

2

Pow er Source Ign ition (3RZ –FE , 2RZ –FE )

W

BATTER

Y

2

1

EB Under the data linkconnector 1

N 1

NO

ISE

FILTER

(Ignition System

)

I20IG

NITIO

N C

OIL AN

DIG

NITER

NO

. 1

I21IG

NITIO

N C

OIL AN

DIG

NITER

NO

. 2

I22IG

NITIO

N C

OIL AN

DIG

NITER

NO

. 3

I23IG

NITIO

N C

OIL AN

DIG

NITER

NO

. 4

To Engine Control M

odule<

5–6><

5–7><

6–6><

6–7>

4 2 4 2 4 2 4 2

1 3 1 3 1 3 1 3

B–R

B–R

B–R

B–R

B–R

BR BR

B–Y

BR

B–Y

BR

B–Y

BR

B–Y

B–R

B–L L L–R

L–Y

B–Y

BR

B–R

B–R

B–R B–R

BR BR

BR

B–Y B–Y

17 IF1

1 IK2

2

2

1

30A AM

2

W–R

7 IG2 6AM2

I14IGNITION SW

EF Ignition coilbraket

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

(Cont. next page)

P ow er S ource

4 TOYOTA TACOMA

R

W–R

B–Y

E ngine C ontro l (5V Z–F E 2W D M /T )

2

ACC

IG1

ST1

IG2

AM1

B–R

4

67 AM2

1

2

3

5

1I42 2

7. 5A OB

D

1F11I14IGNITION SW 2

20A E

FI

2

120A ALT

2 2

7. 5AIGN

2

EFI R

ELAY

2

30A A

M2

2

40A AM

1 17 IF1

1 IK2

1

2

1

2

1

2

1

2

1

2

1

2

EA IG

SG

Q

IF115

3E11F5

1I2

IK2

3 BN7

EB

V–R

SIL

W–R

WV

B–Y

B–Y

B–R

B–R

W–B

B–R

W

B–R

B–Y

V

B–Y

B–Y

B–W

W–R

B–R B–R B–R

W–R

B

I11IN

JECTO

R N

O. 6

RL–R

W–L

LB

–R

B–R

B–R

B–R

B–R

B–R

W–B

W–B

W–B

B–Y

W–R

W–R

B–Y

W–B W–R

VV

B–R

BR

W–B

B–W 4 5 7

3 2

5 1

16

W

W–L

W–R

B

R

Around therightedge of thereinforcement

L–R

W–L

IE

L

BR

BR

I10IN

JECTO

R N

O. 5

I 9INJEC

TOR

NO

. 4

I 8INJEC

TOR

NO

. 3

I 7INJEC

TOR

NO

. 2

I 6INJE

CTO

R N

O. 1


BATTERY

Front left fender

10AGAUGE

C 6

CIR

CU

IT OP

ENIN

GR

ELAY

Near thethrottle body

B–Y

1

22

2 1

2

121

1

N

C

M

E

F

L

G

H

J

K

O

P

BAT

CG

D B

E A

B–R C

10M

ALFU

NC

TION

IND

ICATO

R LA

MP

[CO

MB

. ME

TER

]

J 9 J10,

JUNCTIONCONNECTOR

A B

SW–R

BW–R

DB–O

B–O

B–O

B–W

W

3E4

7 IF1

3D19

3D20

3A15

3A165 BN7

5

4

M

13 BN7F 8FU

EL PU

MP

LL

W–R

L

W–L

W–R

W–R

W–R

W–R

W–R

WFrom

Center A

irbagSensor A

ssembly

<17–2>

V–R

WW–B

3E2

3E3

13 IK2

W–R

W–R

W–R

9

5

B–W

B–W 12 IF1

TS

From A

BS A

ctuatorw

ith EC

U<

16–4>R

–Y

14

WFSE

15

Y–R

B

BB

J11JUNCTIONCONNECTOR

AB–W

Y–RI

23

W–B

W–B

W–R

Y–B

W–R

W–RA/B

6

From C

enter Airbag

Sensor Assem

bly<

17–3>

Y

D 7DATA LINKCONNECTOR 3

C

C C C

J11JUNCTIONCONNECTOR13

TC

Y–B

Y–B

Y–B

Y–B

From AB

SA

ctuator with

EC

U<

16–4>

From C

enterAirbag S

ensorAssem

bly<

17–3>

From C

ruiseC

ontrolEC

U<

15–3>

Y–B

W–R

Y–B

WFrom

AB

SE

CU

<16–4>


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

G

7 865

#30

Q

BR

BR

2

(Shielded )

(Shielded )

M

V 4

VS

V (EVAP

)

N

O

J

P

2

1

1 EE1 2

1

ENGINE CONTROL MODULE

2

7 C 1 A 16 A 10 D 12 D 13 D

W–R

11 D 18 D 17 A 15 D 25 D 20 C 2 C 11 C 10 C

13 A A2 22 A 6 C 5 C 4 C 3 C 1 C C8 16 C 24 C 14 D 19 C

D24

3

2

1

9 C 9 A 3 A 7 A 20 A 12 C 21 C 13 C

1 ED1 3 ED1 2 ED1

EB

29 D 27 D 23 D 22 D 6 A 17 C 4 D 5 D D7

1

Y–B

W–R

B–Y

B–W G Y–G

L–B

G–R

BR–B

L–B

L–B

LG–R

Y

G–Y

W–G

L–BW–R

W–R

B–Y

L–B W–R

2 3 4

1 5

V–R

W–L

W–R

B R L–R

W–L

L

L–B

B–R

#40 #50 #60

W–R

RSO RSC

W–R

AF1+

W–R

HAF1

W–R

HT2B

Y–R

OX2B KNK1

W–L

KNK2

W–R

B

SP1

R

E1

L–R

E01

W–L

E02

L

T 1THROTTLEPOSITIONSENSOR

W–R

BR

4

42

3 1

1

3

B–Y

B–L

LG–R

B–W

L–Y

L–B G

G–W

L G

G R

1 2 2 1

G

1

E ngine C on tro l (5V Z–FE 2W D M /T )

1

3 2

V 8VA

PO

RPR

ESS

UR

E SE

NSO

R

G–Y

B GR

G–Y

R

R–W

R–Y

P–L

V

B GR

G–B

G–O

W–R

W–B

W–B

W–R

W–B

BR

L

BR

W–B

W–B

BRL–B

BR

M 1

MA

SS A

IR FLO

W M

ETER

To Cruise C

ontrolE

CU

<15–3>

L–B

G–R

V12

VS

V (Pressure Sw

itchingV

alve )

TC +B BATT E2G VG THA E2 THW IDLO VTA VC TBP

I 1IDLE A

IR C

ON

TRO

L VA

LVE

A23

AIR

FUEL R

ATIO S

EN

SO

R(Bank 1 S

ensor 1 )

EVP

BR

EE12

BR

PTNK

14 C

From Igniter<1–4>

From A/CControlAssembly<29–6>

R

From C

lutch Start S

W<

1–2>

From S

top Light SW

<15–4>

C 2CRANKSHAFTPOSITIONSENSOR

C 1CAMSHAFTPOSITION SENSOR

K

E1

IGF IGT1 IGT2 IGT3 AC1 ACT STA STP NE+ NE– G2

(Shielded )

(Shielded )

(Shielded )

I

(Shielded )

(Shielded )

(Shielded )K 2KN

OC

K SE

NSO

R 1

K 3KN

OC

K SE

NSO

R 2


F

C

W–R

4 TOYOTA TACOMA (Cont’ d)

WFSE E03W FC #10 #20

To Speedom

eter[C

omb. M

eter]<

27–2>

BR

E 3EN

GIN

E CO

OLA

NT

TEM

P. SEN

SOR

3 2

1

18 C

PSW

1

B

P10

PO

WE

R S

TEE

RIN

GO

IL PR

ESS

UR

E SW

, E 6E 5 A B , E 7 C , E 8 D

BR

BR

BR

BR

Y–B

B

D

23 IF1

4 A 15 A

W–R

B–O

MREL

26 D

AF1–

P

P

8 D

E04

W–B

BR

5 IK2

S

26 BN7

G–B

W–G

R–Y

W–R

B–O

B–O B–W

IGSW

14 IK2

(Shielded)

(Shielded )

V

(Shielded )

W–B

W–B

V

AB–W

BN725

L–B

IK68 IK61

23 BN724 BN7

R–Y

G–Y

14 A 21 D

W

2

V11VS

V(C

anisterC

losed Valve )

12 IK2 22 IK2

(Shielded )

R

H 9

HEA

TED

OX

YGE

N S

EN

SO

R(B

ank 1 Sensor 2 )

WH

IK62

G–B

1

R–W

SIL CCV

IK225

W–R

L–B

18 IK2

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

(Cont. next page)5 TOYOTA TACOMA

20A EFI

7. 5A OB

D

40A A

M1

30A AM

2

120A A

LT

2 22

B–R2

B–R

2

2

ACC

IG1

ST1

IG2

AM1 4

6

W

7 AM2

3 BN7

IK21

1I4

1F11

1

2

1

2

1

2

1

2

2

1

3

5

2

B–Y

2

B–Y

W

2

V

2

W–R

W–R

L

V

W–L

5

13 IK2

EAFront left fender

A

C

D

E

L

K

J

I

H

G

4

W–R

7 IF1

M

1I2

3D19

1F5

12 IF1

W–R

W–R

W–R

2 2 1 2

2

1

1 1 2 1

B–R

B–R

B–R

R–L

B–R

B–Y

R W–R

B–RB–R

B–R B–R

W–R

B–Y

V

B–Y

B–Y

BATTERY

EFI RELA

Y

I 9INJE

CTO

R N

O. 4

I 8INJE

CTO

R N

O. 3

I 7INJE

CTO

R N

O. 2

I 6INJE

CTO

R N

O. 1

I14IGNITION SW

W–R

B–R

R–Y

From A

BS A

ctuatorw

ith EC

U<

16–4>


16 7

4 13

W–B

BR

BR

Y–B

W–B

W

V

B–Y

W–R

B–Y

W–R

W–R

W

V–R

W–L

W–R

W

R

R–L

D 7

DA

TA LIN

KC

ON

NEC

TOR

3

BAT SIL

TCCG

P ower S ource E ng ine C on trol (3R Z– FE )

W–B

IG

W–B

D B

E A

10AGAUGE

B

B

, J10

J 9A

B

JUN

CTIO

N C

ON

NEC

TOR

C10

MALFU

NC

TION

IND

ICA

TOR

LAMP

[CO

MB

. METER

]

W–RN

W–RM

6

From C

enterA

irbag Sensor

Assem

bly<17–3>

From C

ruiseC

ontrolEC

U<

15–3>

A/B

Y–B

Y

W–R

F

B–R

W–B

W–B

W–B

13 BN7

W–B

3D20

5

9

B–R

7. 5A IG

N

B–O

B–O

23 IF1

B–O

3E1 3E2

3E4 3E3

W–R

W–R

W–R

B–O

153A

163A

W–B

L5 BN7

IE Around theright edgeof thereinforcement


3

5

2

1

23 IK2

5

BR

SG

9

From C

ombination

Meter<

27–3>

TAC

LG–B

F 8FU

EL PU

MP

W

B–O

B–O

W–R

W–RB

From CenterAirbag SensorAssembly<17–2>

14

TS

C

C

W–R

C 6

CIR

CU

IT OP

EN

ING

RE

LAY

B W

W J11JUNCTIONCONNECTOR


C

C

Y–B

Y–B

Y–B

From AB

SActuatorw

ith EC

U<

16–4>

From C

enterAirbag SensorAssem

bly<17–3>

C

Y–B

From ABS Actuatorwith ECU<16–4>

W

W

17 IF1

B–R

W–B


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

E

7 865

4

BR

4

(*2 )

(*2 )

L

V 4VS

V(E

VAP

)

D28

2

1

From ”

STA

” Fuse

<2–3>

22

1


2

12 A 22 C 14 C 21 C 18 C 12 C 5 B9 C 2 C7 C

H

GV–R

3 D 4 D B28

R–W

15 D 5 C 11 C 20 C

C AB

2

11

2

31

B

13 A 14 A 7 A 15 A 16 C 24 C 15 C

EF

10 C 3 C 21 A 17 C 21 D 5 D

AFHT

D

W

NSW

B–W

GR

Y–G

L–B

G–R

L–B

L–B

A

Y

G–Y

W–R

L–B

W–R

W–R

6

W–R

L–B L–B

W–R

4 5 2

3 1

3

B–R

R–B

W–R

RSD

W–R

EGR

W–R

AF+

W–R

AF– OXS HTS

W–R

W

R

SP1

R–L

E1 E01 E02

19

W–R

31

W–R

2

42

1 3

1

L–Y

L–B

LG–R

G

G–W

L G

G R

1 2 2 1

3

+B

16

E ngine C on tro l (3RZ –FE )

L–B

L–BP

–L

2

E 1EG

R G

AS TE

MP. SE

NSO

R

THG

G–Y

G–Y

R–WB

R–Y

V

W

W–G

G–B

G–O

W–R

W–B

W–B

W–R

W–B

BR

K BR

BR

W–B

W–B

L–B

BR

M 1

MAS

S AIR

FLOW

ME

TER

E 3

EN

GIN

E C

OO

LANT TEM

P. S

ENS

OR

To Cruise

Control E

CU

<15–3>

BATT

L–B

8

V12

VSV

(Pressure Sw

itchingV

alve )

A

SIL EVG VG THA E2 THW IDLOVTA VCTBP

I 1IDLE A

IR C

ON

TRO

L VA

LVE

V 3

VS

V (EGR

)

A23

AIR

FUEL R

ATIO S

EN

SO

R(Bank 1 S

ensor 1 )

H 9

HE

ATED O

XY

GE

N SE

NSO

R(Bank 1 S

ensor 2 )

EVP

BR

PTNK


19

From C

lutch Start S

W(M

/T )or P

ark/Neutral Position

SW

(A/T )<

2–2>

From S

top Light SW<

15–4>

C 2CRANKSHAFTPOSITION SENSOR

C 1CAMSHAFTPOSITIONSENSOR1

C

J

C

1

I

W–L

AC1 ACT STA STP NE+ NE– G2+

(*2 )

(*2 )

Ignition coilbraket

D

B

W–R


#30 E03#40

To Speedom

eter[C

omb. M

eter]<

27–2><

28–2>

W

22

Y–GR

(A/T )

1

B–Y

2 D

#20

1 D

#10

6 A

W

7 B

TC

A

L4

GR

To Detection SW

(TransferL4 P

osition )<21–4>

10 B

4WD

G–B

To AD

D D

etection SW[A

DD

Actuator]<

21–1>

BR

(*2 )

W–RN

W–R

Y–BF

13 B

TAC

LG–B

To Tachometer

[Com

b. Meter]

<27–3>

15 IF1

BR

R–L

RWW–R

V–R

MW–R

1

B–Y

(*1 A/T )

(*1 )

* 2 : Shielded

3

1

V 8VA

PO

R PR

ESS

UR

E SE

NSO

R

3 2

1

, E 6E 5 A B , E 7 C , E 8 D

BR

C

20 A

ELS

G

G–R

From ”

TAIL”

Fuse<

9–3>

BR

6 B

FC

W–L

KNK

BB

P

1 C

R–L

EFIgnition coilbraket

BR

W–B

BR

22 IK2 12 IK2

BR

BR

5 IK2

* 1 : 4WD

12 D D13

L L–R

IGT2 IGT3

14 DL–Y

IGT4

10 D

B–Y

IGF

From Ignition C

oil andIgniter N

o. 1<3–2>

From Ignition C

oil andIgniter N

o. 2<3–2>

From Ignition C

oil andIgniter N

o. 3<3–3>

From Ignition C

oil andIgniter N

o. 4<3–3>

11

From Ignition C

oil and IgniterN

o. 1, No. 2, N

o. 3 and No. 4<

3–3>

D

B–L

IGT1

Y

PSW

P10

PO

WE

R STEE

RIN

G O

ILP

RES

SU

RE

SW

W–R

W–B

VV

14 IK2

K 1KNOCKSENSOR

(*2 )

B–YA

6 D

W–B

E04

2

1

V11VS

V(C

anister Closed V

alve )W–R

26 BN7

2 IK6

G–B

G–B

23 BN7

25 BN7

T 1TH

RO

TTLE PO

SITIO

N S

ENS

OR

R–Y

L–B

24 BN7

8 IK6

G–Y

G–Y

IK225

W–R

CCV

19 IK2

Y

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421


20A EFI

7. 5A OB

D

40A A

M1

30A AM

2

120A A

LT

2 22 B–R

2

B–R

2

2

ACC

IG1

ST1

IG2

AM1 4

6

W

7 AM2

17 IF1

IK21

1I4

1F11

1

2

1

2

1

2

1

2

2

1

3

5

2

B–Y

2

B–Y

W

2

V

2

W–R

W–R

L

V

W–L

5

13 IK2

EAFront left fender

B

C

D

E

L

K

J

I

H

G

4

W–R

7 IF1

M

1I2

3D19

1F5

12 IF1

W–R

W–R

2 2 1 2

2

1

1 1 2 1

B–R

B–R

B–R

R–L

B–R

B–Y

R

W

W–R

B–RB–R

B–R B–R

W–R

B–Y

V

B–Y

B–Y

BATTERY

EFI RELA

Y

I 9INJE

CTO

R N

O. 4

I 8INJE

CTO

R N

O. 3

I 7INJE

CTO

R N

O. 2

I 6INJE

CTO

R N

O. 1

I14IGNITION SW

B–R

B–R


16 7

4 13

W–B

W–B

BRB

R

Y–B

W–B

W

V

B–Y

W–R

W–R

W–R

W–R

W

V–R

W–L

W–R

W

R

R–L

D 7

DATA LIN

KC

ON

NE

CTO

R 3

BAT SIL

TCCG

P ower S ource E ng ine C on trol (2R Z– FE )

W–B

IG

W–B

D B

E A

10AGAUGE

B


B

B

, J10

J 9A

B

JUN

CTIO

N C

ON

NE

CTO

R

C10

MA

LFUN

CTIO

NIN

DIC

ATOR

LAM

P[C

OM

B. M

ETE

R]

W–RN

W–RM

6

From C

enterA

irbag SensorA

ssembly<

17–3>

From C

ruiseC

ontrolE

CU

<15–3>

A/B

Y–B

Y

Y–B

W–R

F

B–R

W–B

W–B

W–B

W–B

13 BN7

W–B

3D20

5

9

B–R

7. 5A IG

N

B–O

B–O

23 IF1

B–O

3E1 3E2

3E4 3E3

W–R W–RW

–R

153A

163A

W–B

L5 BN7

IE Around theright edgeof thereinforcement


3

5

2

1

C 6CIRCUITOPENINGRELAY

23 IK2

5

BR

SG

9

From C

ombination

Meter<

27–3>

TAC

LG–B

W–B

F 8FU

EL PU

MP

B–O

B–O

3 BN7

W–R

W–R

AB–Y

R–Y

From A

BS A

ctuatorw

ith ECU

<16–4>

14

TS

C

CC

C

Y–B

WFrom

Center A

irbagSensor A

ssembly<

17–2>

J11JU

NC

TION

CO

NN

EC

TOR

W–R

Y–B

Y–B

From ABSActuatorwith ECU<16–4>

From CenterAirbag SensorAssembly<17–3>

W–R

Y–BC

From A

BS

Actuator

with EC

U<

16–4>

W

W


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

E

7 865

4

BR

4

(*1 )

(*1 )

L

V 4VS

V(E

VAP

)

D28

2

1

From ”

STA

” Fuse

<2–3>2

1


2

12 A 22 C 14 C 21 C 18 C 12 C 5 B9 C 2 C7 C

H

GV–R

3 D 4 D B28

R–W

15 D 11 C 20 C

C AB

1

2

31

B

13 A 14 A 7 A 15 A 16 C 24 C 15 C

EF

10 C 3 C 21 A 17 C 21 D 5 D

AFHT

D

W

NSW

B–W

GR

Y–G

L–B

G–R

L–B

L–B

A

Y G–Y

W–R

L–B

W–R

W–R

6

B–Y

L–B L–B

W–R

4 5 2

3 1

3

B–R

W–R

RSD

W–R

AF+

W–R

AF– OXS HTS

W–R

W

R

SP1

R–L

E1 E01 E02

31

W–R

2

42

1 3

1

L–Y

L–B

LG–R

G

G–W

L G

G R

1 2 2 1

3

+B

16

E ngine C on tro l (2RZ –FE )

2

G–Y

R–WB

V

W

W–G

G–B

G–O

W–R

W–B

W–B

W–R

W–B

BR

K

BR

BR

W–B

W–B

L–B

BR

M 1

MAS

S AIR

FLOW

ME

TER

E 3EN

GIN

E C

OO

LAN

T TEM

P. SEN

SOR

To Cruise

Control E

CU

<15–3>

BATT

L–B

8

V12

VSV

(Pressure

Sw

itching Valve )

A

SIL EVG VG THA E2 THW IDLOVTA VCTBP

I 1IDLE A

IR C

ON

TRO

L VA

LVE

A23

AIR

FUEL R

ATIO S

EN

SO

R(Bank 1 S

ensor 1 )

H 9

HE

ATED O

XY

GE

N SE

NSO

R(Bank 1 S

ensor 2 )

EVP

BR

PTNK


From C

lutch Start S

W(M

/T )or P


SW

(A/T )<

2–2>

From S

top Light SW<

15–4>

C 2CRANKSHAFTPOSITION SENSOR

C 1CAMSHAFTPOSITIONSENSOR

J

C

1

I

W–L

AC1 ACT STA STP NE+ NE– G2+

(*1 )

(*1 )

Ignition coilbraket

D

A

W–R


#30 E03#40

To Speedom

eter[C

omb. M

eter]<

27–2><

28–2>

W

22

Y–GR

(A/T )

1

B–Y

2 D

#20

1 D

#10

6 A

W

7 B

TC

BR

(*1 )

W–RN

W–R

Y–BF

13 B

TAC

LG–B

To Tachometer

[Com

b. Meter]

<27–3>

15 IF1

BR

R–L

RWW–R

V–R

M

W–R

1

B–Y

* 1 : Shielded

3

T 1TH

RO

TTLE PO

SITION

SE

NS

OR

1

V 8

VA

POR

PR

ESS

UR

E SEN

SO

R

3 2

1

, E 6E 5 A B , E 7 C , E 8 D

BR

C

20 A

ELS

G

G–R

From ”

TAIL”

Fuse<

9–3>

BR

6 B

FC

W–L

KNK

BB

P

6 D

W–B

E04

EFIgnition coilbraket

BR

W–B

BR

22 IK2 12 IK2

BR

BR

5 IK2

12 D D13

L L–R

IGT2 IGT3

14 DL–Y

IGT4

10 D

B–Y

IGF

From Ignition C

oil andIgniter N

o. 1<3–2>

From Ignition C

oil andIgniter N

o. 2<3–2>

From Ignition C

oil andIgniter N

o. 3<3–3>

From Ignition C

oil andIgniter N

o. 4<3–3>

11

From Ignition C

oil and IgniterN

o. 1, No. 2, N

o. 3 and No. 4<

3–3>

D

B–L

IGT1

Y

PSSW

P10

PO

WE

R STEE

RIN

G O

ILP

RES

SU

RE

SW

W–R

W–B

VV

14 IK2

K 1KNOCKSENSOR

(*1 )

C1

R–L

W–R

2

1

V11VS

V(C

anister Closed V

alve )

W–RB

25 BN7

8 IK6

25 IK2

23 BN724 BN7

G–Y

R–Y

R–Y

G–Y

G–Y

L–B

2 IK6

26 BN7

G–B

G–B

W–R

(*1)

CCV

19 IK2

Y

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

2

7 TOYOTA TACOMA

H

2

EL HL

2

HF

2

HU

31J

4 1K

HEAD

TAIL

LOW

OFF

4 1J

11 IF12

T

A A

1

9

177813

1 2

3

2 1

3

2

3A17 3F20

3F163A16

IG

1

HIGH

4

P ow er S ource H ead light (w /o D aytime R unning L igh t)

2

HEA

D R

ELAY

H 1

HEA

DLIG

HT LH

H 2

HE

ADLIG

HT R

H

B–Y

R–Y

R–G

R–Y

R–W

R–L

LG

R–Y

R–G

R–G

R–Y

LIGH

TC

ON

TRO

LSW

FLASH

DIM

ME

R S

W

W–B

Around the right edgeof the reinforcement

IE

W

W–B

W–B

W–B

W–B

W–B

16

BATTER

Y

C12

HIG

H B

EAM

IND

ICATO

RLIG

HT[C

OM

B. METER

]

Around the left edgeof the reinforcement

C14COMBINATION SW

1

32

31

R–G

BC

AB

B

AA

B

ABJUN

CTIO

NC

ON

NE

CTO

R

BA

J 9J10

,

10A HE

AD (R

H)

10A H

EA

D (LH

)

51K

61C

71C

1L13

1L14

R–W

R–W

R–W

R–G

R–W

R–L

R–W

R–L

BODYECU

R–W

W–B


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

B

1

3 421

W–G

7

W–B163F

B

2

8

B–Y

2

11

7. 5AECU–B

3

1K

3

24

12

13

B–R

B

21

See C

ombination

Meter S

ystem<

27–6><

28–4>

20

2

3F

HE

AD

RE

LAY

2

1

8 TOYOTA TACOMA

2

ACC

IG1

ST1

AM1

9

3

2

FLASH

2

9

2

B

8

L–R

2

W 2

3A17

16 3A

12

2

6 4

L

D 8DAYTIME RUNNING LIGHT RELAY(Main)

5

B–R

V–Y

1B

2

2

B–Y

V–Y

2

B–Y

G–W

C

B–Y

W–G

W–G

W–B

BATTERY

1

2

W–B

B

2 IF1

W–B

EL

4

HU

G–Y

IE

C14COMBINATIONSW

W–B

W–B

TH

DIM

ME

R SW

Y

LIGH

TC

ON

TRO

L SW

R–W

OFF

G–Y

TAIL

G–YHEAD V

LOW

11

HIGH

10

G–Y

7

16

Pow er S ource

1

2

B–Y2

2

R–W

B–R

3

2

R

H eadligh t (w / D aytime R unning L igh t)

D13

DIO

DE

(Daytim

e Running

Light System

)

2

13

HF

2

A

R–W

2

3

B–Y

R–G

From G

enerator<

2–4>

11 IF1

B–Y

4

IF16

R–W

I14IGNITION SW

W–B

V

3

4

1

2

A

A

W–B

W–B

G–W

A

2

L–R

2

1

1I2

W–G

L–R

W–G

120A A

LT

IG

W

D 9

DA

YTIME

RU

NN

ING

LIGH

T RELA

Y NO

. 4

J 1JUNCTIONCONNECTOR

40A AM

1

R–W

1

10A H

EA

D (H

I LH)

HL

10A H

EA

D (LO

LH)

10A HE

AD (H

I RH

)

C12HIGH BEAM INDICATOR LIGHT[COMB. METER]

10A HE

AD (LO

RH

)

10A GA

UG

E

7. 5ADRL



1F5

3D12

3D19

B–R

, J10J 9 A B

JUNCTIONCONNECTOR

L

W–G

W–R

L

B–Y

W–R

W–G

G–W

4

1

1 3 2

DIM

MER

RELAY

2

50A J/B

1

2

1E4

1B7

51B

1

W–G

W–B

IE Around the rightedge of thereinforcement

2

W–B

1L14

1L13

BOD

Y E

CU

R–G

G–Y

H 2

HE

ADLIG

HT

RH

H 1

HE

ADLIG

HT

LH

B–Y G

E IND DRL

HI H +B H–LP DIM CHG– BRK PKB IG

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

10

* 1 : w/ Daytime Running Light

3 421

15

16

C13

ME

TER

ILLUM

INA

TION

[CO

MB. M

ETE

R]

19(A

/T )3H

9 TOYOTA TACOMA


3A16

5

1

1

3 2

TAIL

HEAD

HT


2

16C14LIGHT CONTROLSW[COMB. SW]

2

OFF

2

BATTER

Y

2

Front leftfender

2

1

2

1

2

1

2

1

7 BN7

14 IF1

21 BN7

1

14

2 2

2

3 6

G G G G

G

G

W–B

W–B

W–B

W–B

W–B

V–R

R

G

IEEA

2

9 3H

W–B

W–B

W

W–B

W–B

W–B

3C16 3C11

3A1 3A2 3A5 3I15 3I17 3I18 3I12

3C21 3C13 3C14 3C17

3

4

3

2

16

15

1

4

9

4

1

2

2

1

5 B

W–G

IG

123A

1

2

W–BW–B

W–B

W–G

W–G

W–G

W–G

W–B W–B

2

3 1

3

P 2

PAR

KIN

G LIG

HT LH

P 3

PAR

KIN

G LIG

HT R

H

R 6

TAILLIGH

T LH[R

EA

R C

OM

B. LIG

HT LH

]

R 7

TAILLIGH

T RH

[RE

AR

CO

MB

. LIGH

T RH

]

L 1LIC

ENS

E PLATE LIG

HT LH

L 2LIC

ENS

E PLATE LIG

HT R

H

R15

RE

AR D

IFF. LOC

K S

W

H 6

HA

ZAR

D S

W

TAIL RE

LAY

120A ALT

G–REL

W–B


R 4RHEOSTAT

R 3RHEOSTAT

G 3

GLO

VE B

OX

LIGH

T

G–R

G–R

G–R

G–R

G–R

G–R

2

B–W

10A TAIL

Pow er Source T aillight and Illumina tion

3C12 3C

4

G–R

(A/T )

G–R

G–R

G–R

G–R

G–R

W–G

W–G

W–G

W–G

W–G

1F

G–R

(A/T )

P19PA

SSE

NG

ER

AIRB

AGM

AN

UA

L ON

/OFF IN

DIC

ATO

R

A25

A/C

CO

NTR

OL A

SSE

MB

LY

E 4

ELE

CTR

ON

ICALLY

CO

NTR

OLLE

DTR

AN

SM

ISS

ION

PATTER

NS

ELE

CT SW

S 4

O/D

MA

IN S

W[SH

IFT LOC

K C

ON

TRO

L RE

LAY

]

A19AS

HTR

AY

ILLUM

INA

TION

(A/T )

W–BW–B

W–B

G–R

W–B

3H5 3H7 3H8

2

1

C 5

CIG

ARE

TTE LIG

HTE

RILLU

MIN

ATION

3I11 3I10

3A4 3I14

3H6

61E

173A

W–B

W–B

E A

B A

(*1 )

B A

(*1 )

G(*2)

G

(*2)

G

(*2)

G(*2 )

3C20

G–R(*3)

To Engine ControlModule<5–7><6–7>

3A3

, R

2R

1A

B

RA

DIO

AND

PLAYE

R

JUN

CTIO

NC

ON

NEC

TOR

BA

J 9J10

,

W–G

10 A

R

1L15

1L9

BOD

Y E

CU

W–G

1F3

G

133F

163F

G–R

G

G(*1)

(Except D

ouble Cab )

* 3 : 3RZ–FE, 2RZ–FE

6

3

W–B

JUNCTIONCONNECTOR

AJ 9D A

B B

D A

E A

3C18


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

10 TOYOTA TACOMA

2 2

1

31

2

2

ACC

IG1

ST1

AM1

W

4

W–B

G–B

2 2

W–B

1I2

1D4

2

1J5

1H5

61J

51C

21J

1 BN7

B–R

IG

W–B

B W–B

1F1

1D31D1 1D6 1H12 1D5

1H8 1E8

W

2

1

2

1

1

8

6

3F20

1E12

P ow er S ource Turn S igna l and H azard W arn ing Light H orn

1E11 1D7

3F16

6

IE IG

1

EA

R–B

G L–B

G–B

G–Y

G L–R

G–W

G–B

G G–Y

G–W

G–B

G–B

G–Y

G–Y

10

7

7 9 5

1

1 2 3

B–Y

L–R

40A A

M1

10ATURN

OFF

ON

H 6HAZARD SW

I14IGNITION SW

FLASHER RELAY

C14TURN SIGNAL SW[COMB. SW]

120A A

LT

50A J/B

RH

LH

W–B

E

W–B

3

1

1

2

1

BATTERY

R 6

RE

AR

TUR

NSIG

NA

L LIGH

T LH[R

EA

R C

OM

B. LIG

HT LH

]

Around the left edge ofthe reinforcement

Front left fender

F 3FR

ON

T TUR

N S

IGN

AL

LIGH

T LH

F 4FR

ON

T TUR

N S

IGN

AL

LIGH

T RH

W–B

W–B

W–B

B

R–L

G–R

4 BN7

13

G–Y

1



R 7

REA

R TU

RN

SIG

NA

L LIGH

T RH

[RE

AR C

OM

B. LIGH

T RH

]

C19HORN SW[COMB. SW]

H10HORN(Low)

L–W

B–R

RH LH

C12

TUR

N SIG

NAL IN

DIC

ATO

RLIG

HT[C

OM

B. M

ETE

R]

108

D A E A E A

21 BN7 13 IF1

D A

, J10J 9 A BW

–B

JUNCTIONCONNECTOR

W–B

W–B

W–B

W–B

W–B

L–B

G

G–R

R–L

W–B

L–W

R–B

G–R

1H 5HORN(High)

1J8

1K2

BODYECU

15AHORN. HAZ

B

W–B

W–B

6 3

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

BODY ECU

3 421

2

2

1

21

2

1

(*3 )

11 TOYOTA TACOMA

120A A

LT

15A D

OM

E

10AGAUGE

2

ACC

IG1

ST1

AM1 4

L–R

LG–B

I14IGNITION SW

40A AM

1

W–B

2 2 B–R

3D19

1I2

1L20 1H10

1F5

3 C

1

10

2

3A16

3A18

IG

3F21

3F16 1

D15

DO

OR

CO

UR

TES

YSW

FRO

NT LH

L–Y

B–R

W

DO

OR

OFFO

N

B

B–Y

B

W–B

G

W

BATTERY

B 6BU

CK

LE SW

LH


B–W

B B

* 3 : w/ Personal Light

* 5 : Double Cab, Extra Cab* 4 : Regular Cab

P ower S ource K ey R eminder and S eat B elt W arn ing Inte rior L ight

W–B

W–B W

–B W–B

W–B W–B


IE

3 IG1

B–W

2 B

1 A(*5)

(*4) 2 A

(*5) 1 B

INTE

RIO

RLIG

HT

SEA

T BELT W

AR

NIN

GLIG

HT[C

OM

B. M

ETE

R]

DC

C12

C13

,

I16A

, B

LG–R

20 3D

16 3D

1 D (*2)

5 A (*1)

(*1)

(*2)

* 1 : w/ Tachometer* 2 : w/o Tachometer

1

P 5PERSONALLIGHT

15AACC

1I1

1G11

Y–B

15AECU–IG

1E2

L–Y

1L19

8

1J8 1L3 8 1L 1L11 4 1L 10 1L

3F2

3F13F3

4 11

From C

enter Airbag Sensor

Assem

bly<17–3>

1

D16

DO

OR

CO

UR

TES

YSW

FRO

NT R

H

1

D26

DO

OR

CO

UR

TES

YSW

RE

AR LH

Y–G

D27

DO

OR

CO

UR

TES

YSW

RE

AR R

H

1

1H9

12

3

2 IG1B

LG–B

LG–B

G–W

Y–G

Y–G

G–WG

B–W

13 1L 14 1L

See H

eadlight System

<7–2>

<8–2>

9 1L 15 1L

See Taillight and

Illumination S

ystem<

9–1>

(*4)

(Double C

ab )(D

ouble Cab )

(Double C

ab )

L igh t A uto T urn O ff

2

1

U 1

UN

LOC

K W

ARN

ING

SW


MEMO

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

B–Y

F

P

1

2

C

P

2

21

3 421

2

1

2

1

B

B–Y

A

W–R

W

Near the throttlebody

Front left fender

G


2

ACC

IG1

ST1

IG2

AM1 4

67 AM2

2


2 22 2

1I4

1F11

2 2

See E

ngine Control

System

<30–8>

16 A 20 A 8 A 7 C 19 D 11 D

15 IF1D

2

1

3

5

2

7 IF1

8 7

EA

D3 2 D 1 D 22 C 23 C C17 3 B 21 B6 A 1 B

6 B 20 B 14 BD18 15 D 25 D

NO

. 1

NO

. 2

EB

See Engine C

ontrolSystem

<30–8>

SL

P ow er S ource E lec tronica lly C on tro lled T ransmission (5V Z– FE )

W–R

W

B–O

B–YW

–RW

–R

W–B

W–B

W–R

V LGLG

R–W

B–Y

120A ALT

40A AM

1

30A A

M2

20A E

FI

R–B

L–O

V 1VE

HIC

LE S

PEE

D S

ENS

OR

(Electronically C

ontrolled Transm

ission )

E 2ELE

CTR

ON

ICA

LLY C

ON

TRO

LLEDTR

ANS

MISS

ION

SO

LEN

OID

Y–R

BR

BATTERY

I14IGNITION SW

Y–RW

–R

O

7. 5AIGN

W

See Engine

Control S

ystem<

30–5>

See Engine C

ontrolSystem

<30–5>

5

EFIRELAY

B–Y

B–R

1

B–Y

LG

L–O

R

2

+B S1 S2 SL SP2– SP2+ E1

See Engine Control System<30–6><30–7>

NSW OILWSP1 PWR

BATT TCSTP +BM THOC E2 THW VTA VC R ODLP ODMS

2

1

Y–R

A 7

A/T O

IL TEM

P. S

EN

SO

RL–B

Y–R

D B

E A

, E 6E 5 A B , E 7 C , E 8 D

BA

JUNCTIONCONNECTOR

, J10J 9

15 A4 A

23 IF1

B–O

B–WB

–W

MREL IGSW

11 B

TFN

3E2

3E1

To Detection SW

(Transfer Neutral

Position )<20–1>

<21–4>

L

L

C

C

BR–B

R

L

B4

LJ

OI

GR–RH

GR

–R

J13JU

NC

TION

CO

NN

EC

TOR

B–Y

B–O

C

2

1

2

15A EC

TS

4 IF1

PP

P

2

5 E

W

SLT+

6

11 E

Y

SLT–

A1

4

EB–W

B–W

D

B25E4

VTA2S

LT


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

W–B

7 865

D

B–Y

B

I

H

A

G


1I2

3D19 3D18

1F5

3D13 3D16

5 IK3

13 A 1 D

3G22

3F20

3G17

3F16

6 D1 C

IG

3B

4 IK3

W–B

W–B

R–B

R–B

D


IE

5

10



LGW

–B

R

7

E lec tronica lly C on tro lled T ransmission (5V Z– FE )

48

3

L 2 D R P

C6

R–B

B–R

B–R

B–R

B–R

O/D

OFF

R P B–W

R–B

R–B

LG

B–R

W–B

C

ECT P

WR

2

A/T O

IL TEM

P.

3

10AGAUGE

P 1PARK/NEUTRAL POSITION SW

E 4

ELEC

TRO

NIC

ALLY CO

NTR

OLLE

DTR

AN

SMIS

SIO

N P

ATTER

NS

ELE

CT S

WG

R–R

GR

–R

W–B

O

W–B

GR–R

O

D

2 1

NO

RM

PWR

P

S 4O

/D M

AIN S

W[SH

IFT LOC

K C

ON

TRO

L RELA

Y]

L–O

5 A

3D20

B–R

D

4

3B2

2 IK2

R–B

C10 C12,

COMBINATION METER

A C C13, D

FL–O

4 D

5 DA/T P

V

2 IK3

V

L–R

JL

16 IK2

2

1 D25

DIO

DE (A/T )

B–R

B–R

B–R

L

V

B B L–O


R

P

EB–W

3 IK3

B–W

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

OILW

2

1 1TC

B

3 421

20A EFI

30A AM

2

STP

2

40A AM

1

VC THO RE2 VTATHW ODMS

PWR

2

120A A

LT

NSW

E


See Engine C

ontrolS

ystem<

5–7>

E1S2 SP2–SP2+SLS1+B

Y

2

ACC

IG1

ST1

IG2

AM1 4

67 AM2

2

A

R–Y

I14IGNITION SW

2 2

7. 5AIGN

1I4

2

EFI R

ELAY

2

To Cruise C

ontrolE

CU

<15–2>

OD1

1F11

2

15

2

11 A

3

5

See E

ngine Control

System

<5–5>

2

G

J

B–Y

H

15 IF1

BATT

EA

7 IF12

NO

. 2

2

NO

. 1

7 D 8 D 9 D16 A

1

14 B 23 B 17 C 5 A 17 A

SP1

A21

EF

7 B 26 D2 C 18 C 12 C 9 C 2 A 25 B

R

R–B

L

3

LG

A1 A

R

See E

ngine Control

System

<5–8>

W–R

WB–Y

B–Y

B–Y

B–Y

B–R

B–Y

B–Y

B–Y

W W–B

W–R

W–R

W–R

V

LGLG

R–W

Y–R

W–R

W–B

1 2 3

LG

SL

Front left fender

BATTERY

E 2

ELEC

TRO

NIC

ALLY CO

NTR

OLLE

DTR

AN

SMIS

SIO

N S

OLEN

OID

V 1VEHICLE SPEED SENSOR(Electronically Controlled Transmission)

To Cruise C

ontrolEC

U<

15–2>

22

O

GR

–R

BR

R–B

C

D

L

GR–R

P

Ignition coilbraket

A

B–Y

See Engine ControlSystem<5–5><5–6>

BW


1 1

P ow er S ource E lectron ically Con trolled Transmiss ion (3RZ –FE )

2 1

D B

E A

1

2

A 7A/T O

IL TEMP

. SEN

SO

RY–R

L–B

See E

ngine Control

System

<5–6>

BAE 5 E 6, CE 7, DE 8,

J 9 J10,

JUNCTIONCONNECTOR

A B

IDLO

B5

B–O

2

4 A

P

ODLP

10 A

FL–O

L–O

3E2

3E1

23 IF1

B–O

TFN

9 A

L

IO(*1)

To Detection S

W(Transfer N

eutral P

osition )<21–4>

L* 1 : 4WD

C

C

J13JU

NC

TION

CO

NN

EC

TOR

L

(*1 )

BR

C

17 IK2 18 IK2

Y–R

W–R

AB–W

D

1 B

B–W

3H11

3H12 3H13

To Cruise

Control

EC

U<

15–2>

B–W

B–W


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

W–B

7 865

D

B–Y

C

I

H

B

G


1I2

3D19 3D18

1F5

3D13 3D165 IK3

13 A 1 D

3G22

3F20

3G17

3F16

6 D1 C

IG

3B

4 IK3

W–B

W–B

R–B

R–B

D


IE

5

10



LGW

–B

R

7

E lec tronica lly C ontro lled T ransmiss ion (3R Z–F E )

48

3

L 2 D R P

C6

R–B

B–R

B–R

B–R

B–R

O/D

OFF

R P B–W

R–B

R–B

LG

B–R

W–B

D

ECT P

WR

2

A/T O

IL TEM

P.

3

10AGAUGE

P 1PARK/NEUTRAL POSITION SW

GR

–R

GR

–R

GR

–R

W–B

O

W–B

GR–R

O(*1)

E

2 1

NO

RM

PWR

P

S 4O

/D M

AIN S

W[SH

IFT LOC

K C

ON

TRO

L RELA

Y]

L–O

5 A

3D20

B–R

D

4

3B2

2 IK2

R–B

C10 C12,

COMBINATION METER

A C C13, D

FL–O

4 D

5 DA/T P

V

2 IK3

V

L–R

JL

16 IK2

B–R

2

1 D25

DIO

DE

(A/T )

L

V

B B

E 4

ELEC

TRO

NIC

ALLY CO

NTR

OLLE

DTR

AN

SMIS

SIO

N P

ATTER

NS

ELE

CT S

W


L–O

* 1 : 4WD

(*1 )

3 IK3

B–W

B–WA

B–W

(*1 )

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

2

1 1

TC

3 421

20A EFI

30A AM

2

STP

2

40A AM

1

VC VTATHW

2

120A A

LT

NSW

14 TOYOTA TACOMA

See E

ngine Control

System

<6–7>

E1+B

2

ACC

IG1

ST1

IG2

AM1 4

67 AM2

2

A

I14IGNITION SW

2 2

7. 5AIGN

1I4

2

EFI R

ELAY

2

1F11

2

15

2

3

5

See Engine C

ontrolSystem

<6–5>

2

B–Y

15 IF1

BATT

EA

7 IF12

16 A 17 C

SP1

A21

EF

7 B 2 C 12 C 9 C1 A

See E

ngine Control

System

<6–8>

W–R

WB–Y

B–Y

B–Y

B–Y

B–R

B–Y

B–Y

B–Y

W W–B

W–R

W–R

W–R

W–B

Front left fender

BATTERY

22

BR

Ignition coilbraket

A

B–Y

See Engine ControlSystem<6–5><6–6>


1 1

P ower S ource A u tomatic Transmiss ion (2RZ –FE )

2 1

D B

E A

See Engine C

ontrolSystem

<6–6>

BAE 5 E 6, CE 7,

J 9 J10,

JUNCTIONCONNECTOR

A B

IDLO

B5

B–O

3E2

3E1

23 IF1

B–O

9

4

B–W

P 1PARK/NEUTRALPOSITION SW

15A EC

U–IG

1I2

3D19

1G2

5 A

6 IK3

7 IK3

3D18

2

1

3D10

16 IK2

10A G

AUG

E

1F5

6 C

3G14

3D20

17 3G

IEAround the rightedge of thereinforcement

IG Around the leftedge of thereinforcement

10

5

22 3G

Y–R

B–R

B–RO

/D O

FF

B–R

B–R

B–R

B–R

B–R

O1

O/D

SO

LENO

IDB

–RB

B

SOL

2

B

LG

W–B

W–B

S 4O

/D M

AIN S

W[S

HIFT LO

CK

CO

NTR

OL R

ELAY]

W–B

8 5 7 3 1

W–B

W–B

L–O

B

J13JU

NC

TION

CO

NN

EC

TOR

L–O

ODMS OD1

R–Y

IG

Y–R

ODLP

TO C

ruise Control

EC

U<

15–2>

O 6O/D ECU

CO

MB

INA

TION

ME

TER

CA

C10

C12

,

E1

3 IK3

3H12

B–W

3H13

B–WTo C

ruise Control EC

U<

15–2>


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

2

1

11

2

(M/T)

2

4

Pi

To Shift Lock

Control R

elay<

25–2>

(M/T)

CR

UIS

E

W–B

R–W

W–B

From E

ngineC

ontrol Module

<12–2>

<12–3>

<13–2>

<13–3>

Y–R

(A/T )

LG

G–O

15 TOYOTA TACOMA

W–B

IG

From O

/D E

CU

<14–4>

(2RZ–FE

A/T )

R–Y

To ABS Actuatorwith ECU<16–4>

2

ACC

IG1

ST1

AM1 4

I14IGNITION SW

CCS

(A/T )

R 7

STO

P LIGH

T RH

[RE

AR

CO

MB

. LIGH

T RH

]

L–W

W–B

G–W

L–B

* 1 : w/ Cruise Control Except 5VZ–FE 4WD, 5VZ–FE A/T

Y–B

R 6

STOP

LIGH

T LH[R

EAR

CO

MB. LIG

HT LH

]

To Data Link

Connector 1

<4–4>

<5–4>

<6–4>

G–W

G–W

G–W

G–W

2

Tc

G–W

2

G–W

L

1I2

(A/T)

G–Y

3D19

G–Y

3D16

1 1G

L–B

L–W

1F5

G–W

G–W

3D13

STP–MO

15 2

1

1

8

H 8

HIG

H M

OU

NTED

STOP

LIGH

T

8

3

1

2

5

3F

W–B

C 3CRUISE CONTROLACTUATOR W

–B

10AGAUGE

15AECU–IG

W

10

2

LG–B

IE

(A/T )

1 IK3

LGBATTERY

G–Y

GND

B–Y

RES/ACC

R–Y

SPD ECT


To Engine C

ontrol Module

<4–8>

<5–8>

<6–8>

<30–8>

W–B

G–Y

OD

C17CRUISE CONTROL ECU

1 IG1

3F7

SET/COAST

B–R

W

3F8

8 BN7

43F

MC

93FB–W

(A/T )

3F5

13

B–W

B–R

2

1

3F

B–Y

6B–R

B D

Y–R

IDL

B–R

IG

C13

CR

UISE

CO

NTR

OL

IND

ICATO

R LIG

HT

[CO

MB. M

ETE

R]

21 BN7

C16

CR

UIS

E CO

NTR

OL

CLU

TCH

SW

W

CANCEL

1A2

40A AM

1

50A J/B

120A A

LT

3

4

39

G–W

4

To Speedom

eter[C

omb. M

eter]<

27–2><

28–3>

4

5

7

M

IE

146

C19

CR

UIS

E CO

NTR

OL S

W[C

OM

B. S

W]

12 1610

2

C ruise Contro l (5V Z– FE 2W D M /T, 3RZ –FE , 2RZ –FE )


S top L igh tP ow er S ource



W–B

3H4

3H3

3A1016

3A

113A

W–B

(*1 )(*1 )

(*1)

(*1)

LG–R

4 1

3 2

S 5STOP LIGHTSW

G–W

W–B

1J8

1F2

2 1K

10A STO

P

From A/T Indicator S

W[P

ark/Neutral Position S

W]

<13–4>

<14–3>

(A/T )

R–Y

From Engine C

ontrolM

odule<4–6>

<5–8>

<6–8>

W–B

W–B

W–B

6 3

CCS

3A19

4

W–B

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

R–Y

Y–B

16 TOYOTA TACOMA

13

1

9B–L

B–R

B–R C13

ABS W

AR

NIN

G LIG

HT

[CO

MB. M

ETER]

1

2

ACC

IG1

ST1

AM1 4

23

W

GR

From Stop Light S

W<

15–4>

A 9ABS DECELERATION SENSOR

G–W

WBR

R12REAR ABS SPEEDSENSOR RH

R11REAR ABS SPEEDSENSOR LH

B–L

B–L

B

B–L

B

F 2FRONT ABS SPEEDSENSOR RH

GND

TS

EF11

B–Y

B

1

TCEXI4STPVGSGGNDGL1+BS+BMWAIG1EXI2

FL+ FL– FR+ GNDRR–RR+RL–RL+FR–

VGSGGNDGL1

321

To Data LinkConnector 3<4–3><5–4><6–4><30–3>

2 2

11

2

1I2

1 1G 1F5

2519

9 8 31

BATTERY

30 11 12 233 34 24

W–B

W–B

WW

BWB

B

BG

WR

LP

LP

120A ALT

40A A

M1

60A AB

S

22

15161710297

Front right fender EC

B

2 1

B–L

4

2BN717

W

BN718BN720

2 1

19 BN7IF26

12

I14IGNITION SW

10A GA

UG

E

IF22

Y BR

Y BR

IF210IF24

F 1FRONT ABS SPEEDSENSOR LH

2

A B S

1

Y–R

Y–R

To Rear D

iff. LockD

etection SW

<22–4>

2 3H

4 3H

15A E

CU

–IG

To Detection SW

(Transfer L4 Position )

<20–3>

<21–4>

A22ABS ACTUATOR WITH ECU

* 1 : w/ Rear Diff. Lock* 2 : w/o Rear Diff. Lock

P ow er S ource

R G16 3D

ABSINVERTER

19 3D

(4WD

)

BN716

L–Y(*1)

L–Y

EF12

13H

Y–R(*2)

12 BN7

L–YL–Y

1 3B

2 3B

A

A

(M/T *2 )

(A/T *2 )


L–Y(A/T *2)

(M/T *2 ) Y–LG

(*2 )

(*3 )

(*3 )

(*3 )

2 BO2

BV12

1 BO2

BV11

4 BO2

BV14

3 BO2

BV13 (*2)

(*1)

2 1Y–LG(*2)

D30DIODE(ABS)

W

D/G

14

EXI

21

G–B

From A

DD

Actuator<

20–3><

21–1>

(Shielded )

W–B

W–B

* 3 : 4WD and Pre–Runner

2

1

W

30A AB

S2

F11FU

SE B

OX


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

17 TOYOTA TACOMA

2

ACC

IG1

ST1

IG2

AM1 4

6

I14IGNITION SW

7 AM2

2 2

1I4

3H16 3H14

1M3

3H15

2

ID IH IG

21 BN7

2 IK2

22 BN7

3

5

3

5

(*4)4 B

(*3)3 A

(*3)2 A

(*4)8 B

16 IK2

W

2

W–R

W

B–W

YY

Y

Y–B

B–R

B–Y

W

L G

BRBR

W–B

R–B

R–B

W–B

R–B

R–B

(M/T )

(A/T)

To Data Link

Connector 3

<4–3>

<5–4>

<6–4>

<30–3>

40AAM1

120AALT

30AAM2

2

CENTER AIRBAG SENSOR ASSEMBLY

BATTERY

A18AIRBAG SQUIB(Steering Wheel Pad)

SPIRALCABLE

Rightkickpanel

R 6

BAC

K–U

P LIG

HT LH

[RE

AR C

OM

B. LIGH

T LH]

R 7

BA

CK

–UP

LIGH

T RH

[RE

AR

CO

MB

. LIGH

T RH

]Pow er Source S R S B ack–U p L igh t

* 1 : Double Cab

4 3B

3 3B

* 3 : A/T Except 2RZ–FE

(A/T)R–B

* 2 : Except Double Cab

22

1

W–B

W–B

B


IE

17 3G

16 3G

P–P+

P19PA

SSE

NG

ER

AIRB

AG

MAN

UAL O

N/O

FFIN

DIC

ATO

R

1

2

17 3H

11

1

3 1G

3H19

Y–R

Y–R

10

2 1

A21AIRBAG SQUIB(Front Passenger Airbag Assembly)

B

W–R

11

G–W

GR

P20PA

SSE

NG

ER

AIRB

AG

MAN

UAL O

N/O

FF SW2 3

LG

WTo D

ata LinkC

onnector 3<

4–4><

5–4><

6–4><

30–4>

1

B

G–R

4

3 B12 B6 B

28 B13 B14 B

B

27 B

AC20 C21,

C2 1 C11 B10 B

2

P21PRETENSIONER LH

A21AIRBAG SQUIB(Front Passenger Airbag Assembly)

112

YY–B

G–R

LG

2 IF3 1 IF3

26 B 15 B

BR–W

F10FRONT AIRBAGSENSOR RH

20 B 9 B

B–L

1 2 1 2

B

F 9FRONT AIRBAGSENSOR LH

W–R

CC22,

* 4 : 2RZ–FE A/T

IG1 SIL –SL +SL –SR +SR LA

E1P+ P– PL+ PL– D+ D– E2

Left kickpanel

(*2 )

(*2 )

(*2 )

(*2 )

(*2 )

6 A5 A

P22PRETENSIONER RH

21

YY–B

PR+ PR–

(*1 )

(*1 )

Around the left edge of thereinforcement

W–B

1

2

B 1

BAC

K–UP LIG

HT S

W

R–B(A/T)

(A/T)

B–R

(M/T )

R–B

(M/T )

B–R

19 B

TC

P 1 A , B

BACK–UP LIGHTSW[PARK/NEUTRALPOSITION SW](A/T)

6

5 B

IG2

3H18

Y–R

7. 5AIGN

1I2 5 1F

15AECU–IG

10AGAUGE

B–R183D

193D

B–R

* 5 : Except 5VZ–FE

To Buckle SW

<11–2>

LG–B

11 C

LBE+

4 C

SR

S

1 C

3F20

3F16

W–B

W–B

W–B

CO

MBIN

ATIO

N M

ETE

R

CA

C10

C12

,

5 A

3D20

B–R

(*2 )(*2 )

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

W

18 TOYOTA TACOMA

V

GR

GR

R–Y

2

ACC

IG1

ST1

GR

AM1 4

V L

1I2

2

2

1

15A DO

ME

12 IH2 9 IH2 8 IH2 1 IL2 3 IL2 11 IL2 9 IL2

10

1 6 7 4 3 2 1 6

55 2

8

2

IG

M

8

4 1

2

M

2

IH2111 IH2

L

L–R

G–B

G–BL

B–L

R–Y

GR

L–B

GR

B–Y

B–R

W

L–B

I14IGNITION SW

40A AM

1120A

ALT

15AECU–IG

D21

DO

OR

KEY

LOC

K AN

DU

NLO

CK

SW

LH

D22

DO

OR

KEY

LOC

K A

ND

UN

LOC

K SW

RH

D20

DO

OR

LOC

K CO

NTR

OL

SW

RH

D22

DO

OR

LOC

K MO

TOR

AN

D D

OO

RU

NLO

CK

DE

TEC

TION

SW

FRO

NT R

H

D21

DO

OR

LOC

K M

OTO

R AN

D D

OO

RU

NLO

CK D

ETEC

TION

SW FR

ON

T LH

W

V

W–B

W–B

L–W

L–W

W–B

W–B

W–B


BATTERY

IE

Door Lock C on tro lP ow er S ource

2

1

UN

LOC

K

LOC

K

LOC

K

UN

LOC

K

LOC

K

UN

LOC

K

LOC

K

UN

LOC

K

2

1


1E2

4

L–Y

L–Y

3E14

3E16 3E19 3E

83B

30APOWER

2

1

1K2

2

50A J/B

2

1

3E183B13

3B12

3E17 3B11

1L7 1L5 1L11L6

2 B

2 A

5 B (*2)

7 A (*1)

3 A (*1)

1 B (*2)

P 7

A,

B

DO

OR

LOC

K CO

NTR

OL S

W LH

[PO

WE

R W

IND

OW

MA

STE

R S

W]

B–L

3 IH2

B–L

7 IL2

R–Y

6 IL2

93B

73B

22 1L

B–L

21 1L

R–Y

B–L

R–Y

W–B

4

W–B

W–B

7 1H

3B20

3B22 3B21

10 IH2

L–W

L–W

IL212

IL22

IH22

W–B

W–B

W–BW–B

L–R L

L–W

W–B

6 1H 2 1L

L–W

L

M

7

3

L–W

1

2

M

LL–W

BQ12 BR12

1 BQ1 1 BR1

L L

BODY ECU

8 1J

L–W

L–W

L–WLL

W–B

G–B

W–B

W–B

L

L–W

L–W

R–Y

B–L

W–B

L–W

B–R

B–R

3

8 15 14

D28

DO

OR

LOC

K MO

TOR

RE

AR LH

D29

DO

OR

LOC

K MO

TOR

RE

AR R

H

(*1 )

(*1)

(*1 )(*1 )

(*1 )

(*1 )(*1 )

(*1 )

(*1)

(*1 )(*1 )

W–B

1L101L41L111L8

See Interior Light<11–3>

* 2 : Except Double Cab* 1 : Double Cab

15


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

W

19 TOYOTA TACOMA

2

ACC

IG1

ST1

AM1 4

2

2

M1 2

M1 2

4 BQ1 3 BQ15 BQ1

5 IH3 4 IH3

2 4

1 5

2

I14IGNITION SW

40A AM

1120A

ALT

W

BATTERY

L–O G

W–B

L–Y L

R–L

L–B

Y LG

L–R

P 8POWER WINDOW MOTORFRONT LH

P27POWER WINDOW MOTORREAR LH

UP

DO

WN

P ow er W indowP ow er S ource

2

1

2

L–R

1

L–Y

1 5

2 3

2

50A J/B

2

1

2

1E2

2

1

15A DO

ME

1I2

1

2

1K2

1L11

143B

3B15

163B

1C1

15AECU–IG

30APOWER

PWRRELAY

P25PO

WER

WIN

DO

W C

ON

TRO

LSW

RE

AR LH

M2 1

10 IL2 5 IL24 IL2

5 IH2 7 IH2

5 2

3 1

L–O G

R–B

R–G

R–B

R–G

L–R

P 9POWER WINDOW MOTORFRONT RH

UP

DO

WN

P 6PO

WER

WIN

DO

W C

ON

TRO

LSW

FRO

NT R

H

M1 2

4 BR1 3 BR15 BR1

6 IH3 7 IH3

2 4

1 5

L–O G

Y LG

Y LG

L–R

P28POWER WINDOW MOTORREAR RH

UP

DO

WN

P26PO

WER

WIN

DO

W C

ON

TRO

LSW

RE

AR R

H

9 B (*2)

10 A (*1)

R–G

R–B

R–L

L–B Y LG

3 A

1 B

1 A

3 B

5 A

4 B

14 A

8 B

6 A

10 B (*2)

9 A 12 A 8 A 13 A (*1)

2 IH2

W–B

3B9

3B8

IE Around the right edgeof the reinforcement

IG Around the left edgeof the reinforcement

UP

DO

WN

UP

DO

WN

FRONT RH REAR LH REAR RH

8 1J

4

8 2

10 3

L–R

L–R

L–R

W–B

W–B

W–B

W–B

L–R

B–R

B–R

L–R L–RL–R

B–Y

W–B

L–R

4 3 3

4 IH2

L–R

P 7 A , B

POWER WINDOW MASTER SW

* 1 : Double Cab* 2 : Except Double Cab

(*1 )

(*1 )

(*1 )(*1 )

(*1 )

(*1 )(*1 )

(* 1)(*1)

(*1 )(*1 )

(*1 )

(*1 )

(*1 )(*1 )

(*1 )(*1 )

(*1 )

AU

TOD

OW

N

UP

DO

WN

BODY ECU

LOC

K

NO

RM

AL

WIN

DO

W LO

CK

SW

4 1L

See Interior Light

System

<11–3>

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

5

40AAM1

10AGAUGE

1

20 TOYOTA TACOMA

1

2

2

V

2

ACC

IG1

ST1

W

AM1 4

VL–R

2

W

1I2

1F5 1J1

3D20

3D193D18

B–R

16 IK2

2 IK3

1

3

2

9 IK3

1

2

2

1

3I

W–B


IG

26 IK2

11 IK6 9 IK6 12 IK6 10 IK6

1

2

2

1

IE

163F

123FIK2

4

M

4

GR Y–R P

B–RB

–R

B–Y

B–R

GR

125

2110

6 18 9 22

C

CC

I14IGNITION SW

120AALT

20A4WD

C10

4WD

IND

ICA

TOR

LIGH

T[C

OM

B. M

ETE

R]

C13

A/T PAR

KING

IND

ICA

TOR

LIGH

T[C

OM

B. METER

]


F 64WD ECU

P 1A/T IN

DIC

ATO

R S

W[P

ARK

/NE

UTR

AL PO

SITION

SW

]

LL

W–B

W–B

W–B

Y–R P

W–B

(A/T )(A

/T )(A/T )

D 4

DE

TEC

TION

SW

(Transfer Neutral

Position )

D 5

DE

TEC

TION

SW

(Transfer 4WD

Position )

D 3

DE

TEC

TION

SW(Transfer L4 Position )

BATTER

Y

W–B

R

W–B

L W

L

From R

ear Diff.

Lock EC

U<

22–3>

Y–B

GR

4W D (w / 2–4 S e lect SW )P ow er S ource

W–B

(*1 )

W–B

GR

13 26

W–B W–B

4 25

W–B

4

(A/T )

3 6

(A/T )

1

GR

2

3G

W–B


T 32–4 SE

LECT S

W

T 22–4 SELECT MOTOR

(A/T)

3

G–O

4WD

To Speedom

eter[C

omb. M

eter]<

27–3><

28–3>

IND TM1L4 TL1 TL2 TM2 2–4 GND

SPD

19

IG

W–B

3E13

3E12

B–Y

B–Y

(A/T )

L(A/T )

73I6

3I9

3I8

From A

BS A

ctuatorw

ith EC

U<

16–4>

3G17

203G

(A/T)7 IK2

R–L

R–LFrom

Engine C

ontrolM

odule<12–4>

2

1

L(A/T )

(A/T )

D25

DIO

DE (A/T )

B–R(A/T)

3H20 22 3H

B–Y

7 IK6

2 EB3

From E

ngineC

ontrol Module

<30–8>

GR

GR

G–W

EB31

IK23 5 IK6

4 EB3 EB33

IK66 4 IK6

5 EB3 EB36

IK63

3 6 2 5 1 4

19 10 23 11 24

ADD DL1 DL2 DM1 DM2

W–B

(A/T )

G–B

L–R

LG

R–B

L–Y

W–B

W–B

L–Y

R–B

LG

L–R

G–B

W–B

L–Y

R–B

LG

L–R

G–B

G–B

+B L1 L2 M1 M2 GND

From Engine C

ontrolM

odule<30–8>

G–B

A24ADD ACTUATOR

W–B

(*2 )

(*2 )

(*2 )

(*2 )

(*2 )

(*2 )

(*2 )

(*2 )

(*2 )

(*2 )

(*2 )

(*2 )(*2 )

(*2 )

(*2 )

(*2 )

(*2 )

(*2 )

(*2)

* 1 : w/ ABS* 2 : w/ ADD

M

AD

DD

ETECTIO

NS

W

AD

D LIM

ITS

W

W–B

W–B

G–B

To ABS

Actuator with

EC

U<

16–1>

G–B


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

21 TOYOTA TACOMA

2

ACC

IG1

ST1

AM1

2

(A/T )

1F5

2

1

2

16 IK2

9 IK3

1

3

2 IK3

2

1

1

2

3D19

10

5

Pow er Source 4W D (w /o 2– 4 S elec t S W )

I14IGNITION SW

2

1

IK2

40A AM

1120A

ALT

26

WW

4

(A/T )

L–R

5

V

4

(A/T )

1

1I

W

BA

TTER

Y

P 1A/T IN

DIC

ATO

R S

W[P

ARK/N

EU

TRAL

POSITIO

N S

W]

C13

A/T PAR

KING

IND

ICA

TOR

LIGH

T[C

OM

B. METER

]

3I

B–R

V

C

L

1J

2

(A/T )

7

D 4

DE

TEC

TION

SW

(Transfer Neutral

Position )

W–B W–B

GR L

W–B

W–B

(A/T)

D 3

DE

TEC

TION

SW

(Transfer L4 Position )

8

C

C

(A/T )L


3I

6 3I

* 1 : w/ ADD

1

2

IK66 IK64 IK67 IK65

3 EB3 5 EB3 2 EB3 4 EB3



7 IK2

6 EB31 EB3

From E

ngineC

ontrol Module

<12–4>

<13–4>

2

1IK63

3E11

3E12

3H22

3H20

3 IK2

M1 M2 REL1 REL2

M1 M2 L1 L2 GND+B

4WD IG 2WD

C104WD INDICATORLIGHT[COMB. METER]

3D20

G–B

B–YB

–Y

B–R

B–YB

–YB

–Y

B–Y

B–Y

W–BR

–B

L–Y

L–R

LG

W–B

G–B

R–B

L–Y

L–R

LG

W–B

G–B

W–B

R–B

L–Y

L–R

LG W–B

B–R

W–BW–B

B–Y

B–Y

B–R

From A

BS Actuator

with E

CU

<16–4>

From E

ngine Control

Module<

5–8>

From R

ear Diff.

Lock EC

U<

22–3>

GR

GR

GR

(A/T )

GR

GR

B–Y

D25DIODE(A/T)

(A/T )

(A/T )L

(A/T )

B–Y

D 5

DE

TEC

TION

SW(Transfer 4W

D P

osition )

A24ADD ACTUATOR

T 4TRANSMISSION CONTROL RELAY

20A4WD

10AGAUGE

(*1 )

(*1)

(*1 )

(*1 )

(*1 )(*1 )

(*1 )(*1 )

(*1 )

(*1 )(*1 )

(*1 )

(*1 )(*1 )

(*1 )

(*1 )(*1 )

(*1 )

(*1 )

GND

W–B

W–B

(*1 )

W–B

W–B

(*1 )

G–B

(*5)

(*5 )

(A/T )

1 4 5 10 2 7 3 9

3 5 1 6 2 4

M

AD

DD

ETE

CTIO

NS

W

AD

D LIM

ITS

W

B–R(A/T)

W–B

W–B

G–B To EngineControl Module<5–8><30–8>

3D18

W–BG–B

From ABS Actuatorwith ECU<16–1>

G–B

4 IK2

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

20A4WD

2 1I

5

1J1

2

11 BN7 10 BN7 BN715 BN7 14

1

22 TOYOTA TACOMA

10AGAUGE

21

4AM1

ST1

IG1

ACC

2

2

40AAM1

120AALT

W

2


IG

5 BO1 3 BO1 2 BO1 1 BO1

M

W–B

18 3G

21 3H11 3D

3G17

3H22

7 BO1

19 3D

5 10 8

7 2 3 6 9

B–Y

B–R

W

BN7

G–O

P

LG–B

LGV

W–B

V LG

LG–B

P

R15

RE

AR

DIFF. LO

CK

SW

Rear D ifferen tia l Lock

To Speedom

eter[C

omb. M

eter]<

27–3>

To Detection S

W(Transfer L4 P

osition )<

21–4>

GND

P ow er S ource

M2 M1 REL2 REL1

IG SPD 4WD

R16REAR DIFF. LOCK ECU

2

1

2

1

LG–R

LG

LG–B

LG–Y

2 3 5 6

W–B

5 1F

BATTERY

R14REAR DIFF. LOCKMOTOR

4

I14IGNITION SW

(A/T )

B–Y

R–B

R

R–B

W–B

(M/T )

W–B

L–Y

RLP

L–Y

(A/T )

L–Y

(A/T )

L–Y

(A/T )

L–Y

(M/T)

(M/T )

L–Y

L–Y

(M/T )

L–Y

L–Y

L–Y

R13REAR DIFF. LOCKDETECTION SW

3B3

From A

BS A

ctuatorw

ith ECU

<16–1>

4 3B

From A

BS Actuator

with E

CU

<16–1>

2 3B

BO14

BN712

4

2

1

BO16

W–B

W–B


B–Y

B–R

(A/T )

W–B W–B W–B

L–Y

To Detection S

W(Transfer L4 P

osition )<

20–3>

GR

(*1 )

L–Y(M

/T )


A A A

A

* 1 : w/ 2–4 Select SW* 2 : w/o 2–4 Select SW

GR

(*2 )

3B1

3D16

B–R

B–R

C13

RE

AR D

IFF. LOC

KIN

DIC

ATO

R LIG

HT

[CO

MB. M

ETER]

7

1


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

1

W–B

7

23 TOYOTA TACOMA

42

ACC

IG1

DO

WN

/R

IGH

T

AM1

3

1

2R

IGH

T

UP

2

DO

WN

1I2

3D6

M

2

W 1WASHER MOTOR

W–B

R

1

3213

WASHER

OFF

INT(*3)

LO

HI

2

LH

11

2

UP/

LEFT

RH

8

LH

3F16

3

LEFT

5

3F18

1

40A A

M1

IE

2

120A ALT

17

IG

W

63

M

R

LG–B

WIPERRELAY(*3)

LG–R

GR

L–O

G–B

P–G

L–O

G–B

G–R

L–R

RR

L–R

W–B

1I1

W–B

B–Y

SELE

CT

P–G

GR

1G12

R

RH

G–R

L

G–B

R

63G

W–B

43G

W–B

W–B

16

IG

W–B

W–B

7

R–W

L–B

8

L–W

2

R emote C on tro l M ir ror (w / P ower W indow )W iper and W asherP ower S ource

1

ST1

4

W

OPE

RATIO

N

2

L–O

5

L

3 IL1 7 IL1

2

5 IL1

M M

4

M M

IE

L–O

BATTERY

I14IGNITION SW

20AWIPER

15AACC

C15WIPER AND WASHERSW[COMB. SW]

W 3WIPERMOTOR

R 8REMOTE CONTROLMIRROR LH

R 9REMOTE CONTROLMIRROR RH

R10REMOTE CONTROL MIRROR SW




W–B


9 3B

3B8

MIST(*4)

3D9 3D7

1G13

2 IH1

IH39

5 IH1

IH313

7 IH1

IH311 2 IH2(*5)

(*6)

3 IH1

IH38 (*5)

(*6)

L L

* 4 : w/o Int Time SW Mechanism* 5 : Double Cab

B1 *2 EW WF*1+2+1+B+S

* 2 : INT2* 1 : INT1

* 3 : w/ Int Time SW Mechanism

* 6 : Except Double Cab

83D

L

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

1

W–B

7

24 TOYOTA TACOMA

2

ACC

IG1

DO

WN

/R

IGH

T

AM1

3

1

2

RIG

HT

UP

2

DO

WN

R

B–R

32132

LH

2U

P/LEFT

RH

8

LHLEFT

40A AM

1120A ALT

W

63

R

LG–B

LG–R

GR

LG–B

P–G

LG–R

R

L–R

W–B

1I1

SE

LEC

T

P–G P

1G12

R

RH

G–R

G–B

R

W–B

IG

2

P ow er S ea t

1

ST1

4

W

OP

ER

ATIO

N

25

3 IL1 7 IL1 5 IL1

M M M M

IE

L–O

BATTERY

I14IGNITION SW 15A

ACC

R 8REMOTE CONTROLMIRROR LH

R 9REMOTE CONTROLMIRROR RH

R10REMOTE CONTROL MIRROR SW


W–B


9 3B

3B8

1

2

2

50A J/B

RGR

P–G

7 IH1 5 IH1 3 IH1

B–R

1K2

1C4

30APOWER

2 BU1

M2 11 BU1

W–B

W–B

L R

WW

W–B

B–R

P24POWER SEAT SW(Lumbar Support)

P23POWER SEAT MOTOR(Lumbar Support)

2 4 3

1

1

2

P ow er S ource Remote C on tro l M ir ror (w /o P ow er W indow)

3G6

3G4

L–O


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

STP

3 421

1

2

IG ACC

BATTERY


KLS+ E

2

Pow er Source S h ift Lock P ow er O u tlet

2

2

1

3

W

120A ALT

From Stop Light SW<15–4>

S 4SHIFT LOCKCONTROL RELAY

25 TOYOTA TACOMA

40A AM

1

4

3

AM1

ST1

IG1

ACC

2

2

6

2

3G

9 3G

2

1I2 1 1I

4 1H 1G12 2

1

3

5

3

4

IG

20 3A

3A16

6 7

1 8

B–Y

L–R

W–B

15AACC

W–B

L–R

W–B

W–B

2

L–O

W G–W

I14IGNITION SW

15AECU–IG

IEAround the right edgeof the reinforcement

W–B

W–B

W–B

2

IF110

G–B G–B

1

18 IF1

D B

E A

17 3G

3G21

1

Front left fenderEA

A

2 2

A

P13PO

WER

OU

TLET

P14PO

WER

OU

TLETW

–B

W–B

R–B

R–B

W–B

W–B

R–B

R–B

W–B

PWROUTLETRELAY

L–W

L–W

J 9 J10,

JUNCTIONCONNECTOR

A B

U 1KEY INTERLOCKSOLENOID[UNLOCK WARNING SW]

15A PW

R O

UTLE

T1

2

A

J11JU

NC

TION

CO

NN

EC

TOR

6 1G

Y–R

L–O

Y–R

L–R

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421W

–B

26 TOYOTA TACOMA

5 1

32

2

12

2

1

21

4

WB–W

L–Y

2

ACC

IG1

ST1

GR

AM1

3

L LG

2 2 2 2

1I1 1G12

1H3

3C7

1G10

1E2

4 A

2

2 B 6 B 7 A

IH IG

3F16

3F19

3C16

3C15

2

1

1

1

2

3

1 A 5 A 2 A 6 A

IL16 4 IL1

3G6

2

3G7 3G8

2

1 12 2

3C6

3C5

I14IGNITION SW

40A AM

1

PPLGL

L–YL–Y

L–Y

L–O

L–Y

L–R

B–W

L–Y

TAIL R

ELAY

See Taillight and

Illumination S

ystem<

9–1>120A A

LT

15A DO

ME

15AACC

S 7SPEAKER(Front Door RH)

S 6SPEAKER(Front Door LH)

W–B

W

R W

IE

(*4 )

(*4 )

BR

BATTERY

BR

W–B

G–R

L–O

L–O

L–Y

G–R

VV

Right kickpanel


C 4

CIG

AR

ETTELIG

HTE

R

C 7

CLO

CK

L–O

GB–W

10ATAIL

* 4 : Double Cab

* 2 : Regular Cab* 3 : Extra Cab

W–B

P ow er S ource Radio and P laye r C igare tte L ighte r and C lock

Around theright edgeof thereinforcement

R 1 R 2,

RADIO AND PLAYER

A B

Y(*4 )

(*4 )B

1 2

T 6TWEETER RH

2

T 5TWEETER LH

1

L (*1 )

LG(*1 )

P(*1 )

V(*1 )

6 IH1

IH312

4 IH1

IH310 (*4)

(Except *4)

2 BQ2

BQ16

1 BQ2

BQ18

1 BS1 2 BS1 BT12

6

BT11

BR1

2 BR2

8 BR1

BR21

1 B 3 B

R W(*4 )

(*4 )W(*4 )

(*4 )R

3 A

* 1 : 6 Speaker

* 5 : w/ Power Window* 6 : w/o Power Window

W(*2 )

W(*3 )

R(*2 )

R(*3 )

Y(*2 )

Y(*3 )

B(*2 )

B(*3 )

R(*2 )

W(*2 )

W(*2 )

R(*2 )

* 7 : Except Regular Cab

W–B

W–B

W–B

1E6

1F4

RL+ RL– RR+ RR– GND

ACC +B FR+ FR– FL+ FL–

1 12 2

S 8SPEAKER(Rear LH)

S 9SPEAKER(Rear RH)

(*5)

(*6)

(*5)

(*6)


MEMO

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

ST1

2 4AM1

ACC

IG1


2

B–R

15A DO

ME

120A ALT

40A A

M1

BATTERY

2

B–R

2

I14IGNITION SW

1 1

2

2 2

1

2 1I

10AGAUGE

L–Y

1F5

3D19

3D203D163D17

1 D 5 A

12 D 11 D

9 IK2

EBNear the throttle body

1 B

1 A

WATERTEMP. SENDER

(*2)

(*3)

8 D 14 D 7 D

See C

ruise Control

System

<15–2>

1

O 2

OIL P

RE

SSU

RE

SW

See R

ear Differential

Lock System

<22–4>

BR

Y–R

G–Y

Y–R

BR

9 DS

ee ABS

System<

16–3>

TACH

OM

ETER

3 A 1 A

A48 A2 A

20 IK26 IK2

11 IK2

LG–B

6 D 6 C 9 A 11 A 6 A 7 A

V10

VEH

ICLE S

PEE

DS

ENS

OR

See Electronically C

ontrolledTransm

ission System

<12–6>

<13–6>

See Autom

atic Transmission

System<

14–4>

See Engine C

ontrol System

<4–4>

<5–3>

<6–3>

<30–4>

6 BN7 9 BN7

3B17

3B193B18

W

ID

B–R

Left kick panel

BN72

3D23D13D33D4

From R

ear Diff.

Lock ECU

<22–3>

From 4W

D E

CU

<20–3>

From Engine

Control M

odule<

4–8><

5–8><

6–8><

30–8>

3D5

G–O

WL–Y

WATER

TEM

P.

CR

UIS

E

OIL

B–R

L–Y

B–Y

G–O

G–O

G–O

G–O

(*1 )

RR

DIFF. LO

CK

AB

S INV

ER

TER

AB

S

A/T O

IL TEM

P.

O/D

OFF

LG–B

L

G–R L

B–R

G–R

1

3

2

MA

LFUN

CTIO

NIN

DIC

ATOR

LAM

P

L

Y–B

FUE

L

FUE

L

Y–B

GR

BR

GR

BR

BR BR

3

1 2

F 8FU

EL SEN

DE

R

1E2

1H3

3C7

3C4

L–Y

* 3 : 3RZ–FE, 2RZ–FE* 2 : 5VZ–FE* 1 : w/ Cruise Control

C omb ina tion M e ter (w / Tachometer)P ow er S ource

From C

ruise Control

EC

U<

15–2>

15 IK2

B–R

B–R

C10 C12,

COMBINATION METER

A C C13, D

W 2 A , B

SPE

EDO

ME

TER


BR

(*3 )

(*2 )

10 IK2 IK28

G–Y

LG–B

LG–B

To Data Link

Connector 3

<5–4>

<6–4>

(*3 )

L–Y

(*2)

(*2 )

From Igniter<

1–4>(*2 )

From Engine C

ontrolM

odule<5–7>

<6–7>

(*3 )

LG–B

(*3 )


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

7 865


12 A

3G17

3G15

4

3

See 4WD

System

<20–2>

<21–2>

10 C 8 C 9 C

3 C

WA

SHE

R

10 A

L–RW

–BW

–B

SE

AT BELT

See Key R

eminder and

Seat Belt W

arningSystem

<11–2>

4WD

TUR

N LH

TUR

N R

H

HIG

H B

EAM

1 C

7 C

2 C

1D10

1E7

1D11

2

1

11

10

2

1

IE Around the rightedge of thereinforcement


3F16

3F203A13

3A16

D 8

DA

YTIME R

UN

NIN

GLIG

HT R

ELAY(M

ain )

P 4PA

RKIN

G B

RA

KE

SW

B 2BR

AKE

FLUID

LEVE

LW

ARN

ING

SW

G–W

(*4 )D A

E B

EA Front left fender

13 A 15 D 4 D 10 D4 C

16 D 5 D 13 D

See C

harging System

<2–4>

See 4W

D System

<20–1>

<21–4>

See E

lectronically Controlled

Transmission S

ystem<

12–6><

13–6>

See T

aillight andIllum

ination System<

9–3>

See SR

S S

ystem<

17–3>

See C

harging System

<2–4>

See 4W

D S

ystem<

20–1><

21–4>S

ee Electronically Controlled

Transmission System

<12–6>

<13–6>

See Taillight and

Illumination S

ystem<

9–3>

See Turn Signal andH

azard Warning S

ystem<

10–4> See Headlight

System<

7–4><

8–4>

From C

lutch Start S

W(M

/T )or P


SW

(A/T )<

1–2><

2–2>

GB

ULB

CH

EC

KR

ELA

Y

BR

AKE

ECT P

WR

ILLUM

INATIO

N

A/T P

CH

AR

GES

RS

W 1

WA

SHE

R LE

VEL S

EN

SO

R

W–B

G–W

W–B

W–B W

–B

W–B

G–W

R–Y(*4)

W–B

G–W

W–B

W–B

* 4 : w/ Daytime Running LightC ombina tion M ete r (w / Tachomete r)

(*5)

(A/T )

(A/T )


(*6 )(*6 )

* 6 : Cold Area Spec.

C10 C12,

COMBINATION METER

A C C13, D

J 9 J10,

JUNCTIONCONNECTOR

A B


ontrolledTransm

ission System<

12–6><

13–6>

W–B

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

6 A

A5

(*1 )

2

O 2

OIL P

RES

SU

RE

SW

120AALT

40AAM1


3 A

1 B

2

C1

4AM1

ST1

IG1

ACC

2

1 A

9 BN7

3

2

2 BN7

7 A

ID Left kickpanel

3B19


EB

3B17

1 D

3D

A2

WA

TER

TEMP

.

5

G–Y

3D20

A8

3D1617 3D

D12

3D19

D

10AGAUGE

D11

1F5

14

1G2

9 IK2

BU

LB C

HEC

KR

ELAY

20 IK2 6 IK2

3D13D3

W–B

3D4

1

L

C10

G–R

8 C C9

IE

B 2

BR

AKE

FLUID

LEVE

L WA

RN

ING

SW


OIL

IG

* 3 : 3RZ–FE, 2RZ–FE


G–Y

3F20

16 3F 3A16

3A13

2

Front leftfender

EA

7 C

E B

D A

1

2

2 C

1D10

1E7

111D

W–B

W–B

W–B W

–B

1

2

W–B

1

1

W–B

2

2

G–W

3

G–W

B–R

W–B

G–W

TUR

N LH

B–R

G–R

TUR

N R

H

LBR

HIG

H BE

AM

Y–R

G

Y–R

C omb ination M e ter (w /o Tachometer)

BR

G–O

GR

GR

I14IGNITION SW

BR

BR

WW

B–R

P ow er S ource

B–R

B–R

B–Y

B–R G

–O

G–O

G–O

BATTERY

From Engine

Control M

odule<

5–8><

6–8><

30–8>

BRA

KE

From 4W

D EC

U<

20–3>

From C

ruiseC

ontrol EC

U<

15–2>

See Headlight S

ystem<

7–4><

8–4>

From C

lutch Start SW(M

/T )or P

ark/Neutral P

ositionSW

(A/T )<

1–2><

2–2>

F 8FU

EL SE

ND

ER

V10VEHICLE SPEEDSENSOR

See Turn S

ignal andH

azard Warning Light

System

<10–4>

(*3)

(*2)

WA

TER

TEMP

. SE

ND

ER

JUNCTIONCONNECTOR

* 2 : 5VZ–FE

P 4PARKINGBRAKE SW

* 1 : w/ Cruise Control

15 IK2

B–RB

–R

1

C10 C12,

COMBINATION METER

A C C13, D

W 2

A,

B

, J10J 9 A B

* 4 : w/o Daytime Running Light* 5 : w/ Daytime Running Light

(*5)(*5)

11G–W R–Y

(*4)

D 8DAYTIME RUNNINGLIGHT RELAY(Main)

10


BR

BR

(*3 )

(*2 )

10 IK2 8 IK2

FUEL

11 A

6 BN7

1

Y–BY

–B

183B

FUEL

BR

SPE

EDO

ME

TER


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

7 865

D

See Taillight and

Illumination S

ystem<

9–3>

W–B W–B

15

W–B

D

WA

SH

ER


10 D 4 D


ontrolledTransm

ission System

<12–6>

<13–6>

See Autom

atic Transmission

System

<14–4>

5

CH

ARG

E

See Taillight andIllum

ination System

<9–3>

A/T P

D13

See Cruise C

ontrolSystem

<15–2>

See Key R

eminder and

Seat Belt W

arningSystem

<11–2>

13 A

L–R

See Engine C

ontrol System<

4–4><

5–3><

6–3><

30–4>

See ABS

System

<16–3>

12 A

4WD

AB

S

10 A

MALFU

NC

TION

IND

ICA

TOR

LAMP

9 A

SEA

T BELT

CR

UIS

E

3 C

O/D

OFF

8 D6 C


IE

6 D16 D 9 D

ECT P

WR


W 1

WAS

HER

LEV

EL SEN

SO

R

ILLUM

INATIO

N

3

4

3G15

A/T O

IL TEM

P.

17 3G

ABSINVERTER

Combina tion M ete r (w /o T achometer)

See C

harging System

<2–4>

See 4W

D S

ystem<

20–1><

21–4>S

ee Electronically Controlled

Transmission System

<12–6>

<13–6>

See 4WD

System

<20–2>

<21–2>

See Charging S

ystem<

2–4>

See 4WD

System

<20–1>

<21–4>


ontrolledTransm

ission System

<12–6>

<13–6>

(A/T )(A

/T )

* 6 : Cold Area Spec.

(*6 )(*6 )

C10 C12,

COMBINATION METER

A C C13, D

See E

lectronicallyC

ontrolled Transmission

System

<12–6>

<13–6>

SRS

4 C

See SR

S S

ystem<

17–3>

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

BATTERY

2

1

2

1

I14IGNITION SW

29 TOYOTA TACOMA

Front left fender

10AGAUGE

120A ALT

B 5BLOWER RESISTOR

A13

A/C

DU

AL PR

ES

SUR

E S

W

2

ACC

IG1

ST1

AM1 4

W B 4BLOWERMOTOR

1I2

1F5

2 2 2

B–Y

2

1 IF1

1

2

5

3

4

2

2

1

EA IE Around the rightedge of thereinforcement

W–B

2

2

1

2

2

9 IF1

2

1

M

4 1

W–B

W

W–B

40A A

M1

W–B

B–W

Y–R

RR

Y–RY

–R

B–W

B–WL–B

L–B

L–R

L–Y

W–B

W–B

HE

ATER

RE

LAY

L–B

B–W B–W

P ow er S ource A ir Cond ition ing

2

RR

2

2

1

50A HE

ATER

D B

E A

C A

A B

JUN

CTIO

N C

ON

NEC

TOR

BA

J 9J10

,

JUN

CTIO

N C

ON

NE

CTO

R

BA

J 9J10

,

22 IF1

3I5

3I2 3I4

1E5

L–W

2

2

1

50A J/B

7. 5A EC

U–B

1K2

1B4

B–RL–R

L–R

L–W

L–W

L–W

L–WB

–L

L–W

8 3 1

B–R

3 1

6 7 2

Y–G

R–G

B–R

B–R

A26AIR INLET CONTROLSERVO MOTOR

W–B

A

B

10AA. C

H 7HEATER BLOWER SW

2 3

M1 M2 HILO

8

1

56

4

Y–R

B–R

W–B

M

7

B–R

B–RB–R

B–R

FRES

HR

EC

IRC

IG+ FRS REC

(Cont. next page)

A25A/C CONTROL ASSEMBLY

W–B

3D14

3D19


M

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

7 865


A25A/C CONTROL ASSEMBLY

A15A/C

THE

RM

ISTO

R

A ir C ond ition ing

3F153F16

3F17

IGAround the leftedge of thereinforcement

24 IK2

1

1

2

W R B GR Y

4 5 3 2 1

4 5 12 13 11

G–O

LG–B

LG–B

L–B

L–Y

24 22 23 9 10

25 14

W–B

W–B

W–B

W–B

B–R

LGLG

A27AIR MIX CONTROL SERVO MOTOR

To Engine Control M

odule<

4–7><

5–7><

6–7><

30–7>

LG–B

M

A

BW–B

8 7 6 5 4 1

2

M

DEF

B

F/D FOOT B/L FACE –

A

+

A28AIR VENT MODECONTROL SERVOMOTOR

A 5A/C MAGNETICCLUTCH

1718192021

Y–B

P–B

R–L

G–W

G–B

W–B

B–R

B–R

CONTROLCIRCUIT

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

3 421

(Cont. next page)

P ow er S ource

30 TOYOTA TACOMA

T

W–R

B–Y

E ng ine Con trol (5V Z –FE E xcep t 2W D M /T)

2

ACC

IG1

ST1

IG2

AM1

B–R

4

67 AM2

1

2

3

5

1I42 2

7. 5A OB

D

1F11I14IGNITION SW 2

20A E

FI

2

120A ALT

2 2

7. 5AIGN

2

EFI R

ELAY

2

30A A

M2

2

40A AM

1 17 IF1

1 IK2

1

2

1

2

1

2

1

2

1

2

1

2

EA IG

SG

R

IF115

3E11F5

1I2

IK2

3 BN7

EB

V–R

SIL

W–R

WV

B–Y

B–Y

B–R

B–R

W–B

B–R

W

B–R

B–Y

V

B–Y

B–Y

B–W

W–R

B–R B–R B–R

W–R

B

I11IN

JECTO

R N

O. 6

RL–R

W–L

LB

–R

B–R

B–R

B–R

B–R

B–R

W–B

W–B

W–B

B–Y

W–R

W–R

B–Y

W–B

W–R

VV

B–R

BR

W–B

B–W 4 5 7

3 2

5 1

16

W

W–L

W–R

B

R

Around therightedge of thereinforcement

L–R

W–L

IE

L

BR

BR

I10IN

JECTO

R N

O. 5

I 9INJEC

TOR

NO

. 4

I 8INJEC

TOR

NO

. 3

I 7INJEC

TOR

NO

. 2

I 6INJE

CTO

R N

O. 1


BATTERY

Front left fender

10AGAUGE

C 6

CIR

CU

IT OP

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GR

ELAY


B–Y

1

22

2 1

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121

1

O

C

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F

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K

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MP

[CO

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TER

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J 9 J10,

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UW–R

BW–R

DB–O

B–O

B–O

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W

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7 IF1

3D19

3D20

3A15

3A165 BN7

5

4

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13 BN7F 8FU

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W–L

W–R

W–R

W–R

W–R

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3E3

13 IK2

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W–R

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9

5

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SEC

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2003 TOY

OTA

TAC

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WD

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7 865

#30

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13 A A2 22 A 6 C 5 C 4 C 3 C 1 C C8 14 D 19 C

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29 D 27 D 23 D 22 D 6 A 17 C 4 D 5 D D7

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T 1THROTTLEPOSITIONSENSOR

4

42

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(Shielded )

(Shielded )

(Shielded )

J

(Shielded )

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(Shielded )

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1

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V

(Shielded )

W–B

W–B

V

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D D

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<20–3>

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* 2 : 4WD w/ 2–4 Select SW* 1 : 4WD

(*2 )

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L–B

IK68 IK61

23 BN724 BN7

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G–Y

14 A 21 D

W

2

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losed Valve )

12 IK2 22 IK2

(Shielded )

R

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HE

ATED O

XY

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ensor 2 )

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1

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25 B

D

B–W

(M/T )

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CR

UIS

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OL

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TCH

SW

B–R

, E 5 A

(Cont. next page)

4 E

V

VTA2

2

E

GR

15 E

L–B

L

G–Y

A29ACCELSENSOR

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4 1

2

VPA

10

3

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D6

ME01

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W–B

CBR

(M/T )

HB–R

G–Y

A

B

B–W B–W B–W

B–R


DBR

See Electronically

Controlled

Transmission

System

<12–4>

(A/T )

2003 TOY

OTA

TAC

OM

A (E

WD

517U)

9 10 11 12


(Shielded )

(Shielded )

12 C 21 C 13 C

L G

G R

1 2 2 1

G

C 2CRANKSHAFTPOSITIONSENSOR

C 1CAMSHAFTPOSITION SENSOR

NE+ NE– G2

BR

17 D

GE01

9 D 31 D 8 E E2

M+ M– CL– CL+

12 4 3

T 7THROTLE CONTROL MOTOR

(Shielded )

GR L

BR

Y

BR

(Shielded )

CBR

E 5 E 6,


A B E 7, C E 8, D E10, E

C ru ise C on trol (5V Z –FE E xcep t 2W D M /T)

A

B

D

CR

UIS

E

RES/ACC

SET/COAST

CANCEL

4

5

C19

CR

UIS

E C

ON

TRO

L SW

[CO

MB

. SW

]

CCS

22 B

19 IK2

BR

BR

G–Y

CCS

B–W

B–R

8

1

4

3

17 A 9 B

PI ST1–

L–W

L–OB–R

B–W

C13

CR

UIS

E CO

NTR

OL

IND

ICA

TOR

LIGH

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OM

B. M

ETE

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S 5STO

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HT S

W

2003 TOYOTA TACOMA (EWD517U) · W–R D B–O B–O B–O B–W W 4 3E 7IF1 19 3D 20 3D 15 3A 16 3A...

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Transcript of 2003 TOYOTA TACOMA (EWD517U) · W–R D B–O B–O B–O B–W W 4 3E 7IF1 19 3D 20 3D 15 3A 16 3A...