1 HIGHLANDER ELECTRICAL WIRING DIAGRAM€¦ · 1 highlander electrical wiring diagram 1 acc ig1 ig2 st2 am1 p 1 park/neutral position sw 2 from engine control module

M

3 421

1 HIGHLANDER ELECTRICAL WIRING DIAGRAM

1

ACC

IG1

IG2

ST2

AM1

P 1PARK/NEUTRALPOSITION SW

2

From Engine Control Module<2−8><3−8>

6

4

5 AM2

W(*1)

B

W

1C6

1A1

10

To Engine Control Module<2−8><3−8>

140A ALT

2

WW

2

1

3

5

2 2

1 A

B1

N

P

9

1F6

W

1C4

EF Left side ofcylinder block

1

IM11

22 IK2

1 A

L3

A

2A

1B

S

IG

B

W

1B5

1C7

3 EB2

I 7IGN

ITION

CO

IL AN

D IG

NITE

R N

O. 6

I 6IGN

ITION

CO

IL AN

D IG

NITE

R N

O. 5

I 5IGN

ITION

CO

IL AN

D IG

NITE

R N

O. 4

I 4IGN

ITION

CO

IL AN

D IG

NITE

R N

O. 3

I 3IGN

ITION

CO

IL AN

D IG

NITE

R N

O. 2

I 2IGN

ITION

CO

IL AN

D IG

NITE

R N

O. 1

To Engine Control

Module<

2−7><

3−7>

N 1

NO

ISE FILTER

(Ignition System

)

STARTERRELAY

4 2 4 2 4 2 4 2 4 2 4 2

1 3 1 3 1 3 1 3 1 3 1 3

B

L−W

L−Y

B−Y

W

W

B

B−W

W L−Y

W−B W−B W−B W−B

B B B B B(*1)

W−L

L−Y

B−W

W−R

L−W

L−W

BB B B−Y B

Y−G B L−Y B L−R

B(*1 )

Y(*1 )

B(*1 )

G−R

(*1 )

W−B

W W−B

W W−B

W W−B

W

W−B

(*1 )

W(*1 )

W−B

(*1 )

W(*1 )

W−B

Y

W−L

R−B

W

R−B

B

WW

I15IGNITION SW

F 7FUSIBLELINKBLOCK

BA

STARTER

, S 2S 1

G 1 G 2,

GENERATOR

A B

S ta rting and Ign itionP ow er S ource

15A EC

U−IG

15A IG

2

40A A

M1

C ha rg ing

1

2

1

L−W

7 EB2

ECRight side ofsurge tank

22

2 IC11 IC12H1

2I1

7. 5A ALT−S

14 IM1

30A AM

2

2

2

7. 5A STA

RTE

R

3

W

B−W

5 EB2

4 EB2

L

To EngineControlModule<2−6><3−6>

FL MAIN

3. 0W

W−R

L−W

L

W−R

W−B

6

Y

Y

(*1 )

(*2 )

1 EB2

W−L

W1

1C1

1G

B−Y

B

* 1 : 1MZ−FE* 2 : 2AZ−FE

(*1 )To E

ngine Control

Module

<2−7>

<3−7>

W−B

W−B

(*1 )

(*1 )

(*2 )

(*2)

1

2

(*1)

(*1)

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4

2 HIGHLANDER (Cont. next page)

FL MAIN3. 0W

BATTERY

F 7FUSIBLELINK BLOCK

10

W

2

140A ALT

30A A

M2

1

3

E ng ine Control and Eng ine Immobiliser S ystem (1M Z−FE )

1 IC1

I15IGNITION SW

25AA/F

2

2

20AEFI

2I1

1C1

1G1

1C4

15AIG2

1G9

7. 5AIGN

1

2I 8INJE

CTO

R N

O. 1 1

2I 9INJE

CTO

R N

O. 2 1

2I10IN

JEC

TOR

NO

. 3 1

2I11IN

JEC

TOR

NO

. 4 1

2I12IN

JEC

TOR

NO

. 5 1

2I13IN

JEC

TOR

NO

. 6

11 IM1

BB

B

2

1

3

5

2 2 2

1G6

44M

4E1

32

1 5

1

1 1

4F1

8 IA2

5

4

M

BCLeft side ofrear cross member

1

IC28

2

2

1

3

5

2F4 2B82A7 2D3 2B4

2G5

2B5

EHUnder the leftHeadlight

A

13 IK2

72B

A

B

C

D

E

H

J

K

L

M

N

O

P

Q

L−Y

B

W W

B

L−Y

2

1

B

B B B B B

R−L

Y

B−W L

B−R

G

A/FRELAY

R−W

R−W B P−L

I

B−O

G−R Y

B−R

B−O

Y

B−O

B−O

F12FUEL PUMP

J 2JUNCTIONCONNECTOR

W−B

W−B

EFIRELAY

P−L

W−B

W−B

B−R

B−W

W

P−L

G−R

B−O

G

B−R

R−W

R−W

B

CIRCUITOPENINGRELAY

L

B−W

Y

R−L

B−W

F

6 EB2

G

B−W

B−W

B−W

B−W

B−W

5 IG2

ST2

6AM2

L−Y

B−W

P ower Source

B B B B

W−B

W

M

5 6 7 8

2 HIGHLANDER (Cont’ d) (Cont. next page)

B−W

P−L

G−R

B−O

G

B−R

R−W

R−W

B

L

B−W

Y

R−L

B−W

E ng ine Con trol and E ng ine Immobilise r S ystem (1M Z−F E)

A

B

C

D

F

H

I

J

K

L

M

N

O

P

Q

4 E 3 E 2 E 1 E 6 D 5 D8 A 3 A 2 A

4 ID1

16 A

D D

1

2

9 ID1

3 B 1 A

W

B−W

B−W

E

G

IK310

D

4 IM1

7 A 20 B

L−W

LL

V12

VS

V (Pressure

Sw

itching Valve )


W W

W

WW G−Y

G−Y

W

W

E 5 E 6,

ENGINE CONTROL MODULE

A B , E 7 C , E 8 D , E 9 E

G−R

B−O G B−R L

B−W Y R−L

2

1

V 5

VSV

(AC

M)

1

2V 3

VSV

(Canister

Closed V

alve )

2

1V 1

VS

V (AC

IS N

o. 1 ) 2

1V 2

VS

V (AC

IS N

o. 2 ) 2

1V 4VS

V(E

VAP

)

11 C 10 A 17 E 15 D 7 D

18 IM18 EB2

B−W

B−W

B−W

B−W

B−W

B P R−Y

W−R

B−R

26 E

W

A

B

C

E

15 B

4D1

4D2

YY

RL

+B TBP BATT STA NSW

10 D 19 D 22 D

M 1MASS AIRFLOW METER

3 2 4

Y−G

R−B

R−Y

1

B−W B−W B−W

G−B

2 3

B−W

I 1IDLE AIRCONTROL VALVE

D

R−W

R−W

B

W

W−B

B P

B−W

GW

B−W

FW

5

6 B

See A

ir Conditioning

System

<33−8>

<34−8>

25 E

W

11 E

B−Y

12 E

Y−G

13 E

L−Y

14 E

L−R

15 E

Y

16 E

G−R

To Ignition Coiland Igniters<1−3>

FromIgnition C

oiland Igniters<

1−3>

#60 #50 #40 #30 #20 #10MREL FC IGSW VG E2G THA ACMG IGF IGT1 IGT2 IGT3 IGT4 IGT5 IGT6

ACM1 CCV ACIS ACI1 EVP1 RSO

From S

TAR

TER R

elay<

1−2>

From ”

STA

RTER

” Fuse

<1−1>

B−W

From Generator<1−4>

(*1 )

(*1)W

(*1)

* 1 : w/ Engine Immobiliser System

W(*1)

B−W

B−W

B−W

W

R−W

R−W

B

11 IK3

B−W

1

16 B

V

NEO

From S

kid Control

EC

U<

16−5>(w

/ ABS

w/o V

SC

)

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

9 10 11 12


R−W

R−W

B

W

W−B

W

W

A

B

C

E

D

F

G

E 5 E 6,


A B

5 C 4 C 24 E 23 E 25 B 24 B 26 B

R−L

12 A

GR−L

7. 5AOBD

1A1

1E10

15 A 9 B 8 B

1 3

2 4

L−R B

L−R

B

3 D 11 D

1 3

2 4

6 EB1

20 D 4 D 12 D

1 3

2 4

5 EB1

21 D

E

E

5 B

2 3 1

18 D 23 D 2 D

T 2TH

RO

TTLE PO

SITION

SEN

SOR

1

2

14 D

8 IM1 19 IM1 1 IO1 2 IO1

3 IO1

17 A

2

3 1 2

1

6 E 5 E

2

1

29 E 18 E 23 B

1

9 D

P 2

PO

WE

R S

TEE

RIN

G O

ILP

RE

SSU

RE S

W

From Fan N

o. 1 Relay

or Fan No. 2 R

elay<

31−3>

NT+ NT− NC+ NC− IDLO OD1 CF F/PS STP

B−O

B−R L Y

W BR

R−W

YH10

HEA

TED

OXY

GE

N S

ENS

OR

(Bank 1 Sensor 2 )

A 6AIR

FUE

L RA

TIO SE

NSO

R(Bank 1 S

ensor 1 )

A 7AIR

FUE

L RA

TIO SE

NSO

R(Bank 2 S

ensor 1 )

A

B

C

D

E

F

J 6JU

NC

TION

CO

NN

EC

TOR

G R

R

HTS OXS HAFR AFR+ AFR− HAFL AFL+ AFL− TC

W W W

W B−W

L−R

W B−W

L−R

E 2EN

GIN

E CO

OLA

NT

TEM

P. SEN

SOR

W−L

L−BL−B

W L−RW

L−R

V11

VAP

OR

PR

ESS

UR

E S

ENS

OR

C 4

CA

MSH

AFT TIM

ING

OIL

CO

NTR

OL V

ALVE R

H

C 3

CA

MSH

AFT TIM

ING

OIL

CO

NTR

OL V

ALVE LH

WW

L−R

W−G

G−Y

G−W

Y−R

L

G−Y

Y−R

E2 VTA1 VC THW PTNK OC1+ OC1− OC2+ OC2− KSW PS

G−Y

E2 VTA VC

E 7, C E 8, D E 9, E

W−B

B−O

(Shielded)

BR

(Shielded)

P−B

P−B

E ng ine Con trol and E ng ine Immobilise r S ystem (1M Z−F E)* 1 : w/ Engine Immobiliser System

BR

R−W

R−W

From A

irbagS

ensor Assem

bly<

17−2>

See E

lectronically Controlled

Transmission and A

/T Indicator<

12−2>

See C

ruise controlS

ystem<

14−2>

R−W

B

B

(*1 )

(*1)

28 B 19 B 18 B

4 3 51 7

4K8

4N1 4L7

ICRight cowl side panel

CODE RXCK TXCT

+B CODE RXCK TXCT GNDT 7TRANSPONDER KEYAMPLIFIER

TRANSPONDER KEY COIL W−B

W−B

W−BW

GR−L

P GR

(*1)(*1)

(*1 )

(*1 )

(*1 )

See E

lectronicallyC

ontrolledTransm

ission andA

/T Indicator<12−5>

To U

nlock Warning S

W<

27−2>

A22

(*1 )

LG

IMLD

To Theft Deterrent

Indicator Light<20−3>

4 IF3

LG

(*1 )

W(*1)

6 ID1

5 ID1 1 ID1 2 ID1

(Shielded )

(Shielded ) G

EOM

1 B

5 4H

W−B

M

13 14 15 16


W−B

B−O

BR

(Shielded)

(Shielded)

P−B

E ng ine Con trol and E ng ine Immobilise r S ystem (1M Z−F E)

A

B

C

D

E

F

1 1

2 EA1 1 EA14 EA1 3 EA1

28 E 27 E

1

17 C


21 E 31 E

EDRear side ofsurge tank

1 D 8 D 6 A 27 B 18 A 11 A

1 2 1 2 2 1

22 E 16 D 24 D 10 E

V 6VVT SENSORLH

C 7CRANKSHAFTPOSITIONSENSOR

V 7VVT SENSORRH

17 D

IM19A

A

A

A

A

A

A


A

A

A

10 A

6 B

5 IF3

1 IB2

4 A

22 B

8 IB2

4F7 4A5

3 IF3

2 B

9 A

P 5

PO

WE

R W

IND

OW

MA

STE

R S

WW

ITH EC

U

A/C

CO

NTR

OL

ASS

EM

BLY

BA

A10

A11

,

R G P L L P

(Shielded )

(Shielded )

(Shielded )

VV2+ NE+ NE− VV1+ E1 SIL

(Shielded)

(Shielded)

(Shielded)

(Shielded)

(Shielded)

BR

BR

(Shielded)

(Shielded)

BR BR

BR BR

K 2KN

OC

KSE

NSO

R 1

K 3KN

OC

KSE

NSO

R 2

B W

W W

(Shielded )

(Shielded )

(Shielded )

(Shielded)

(Shielded )

(Shielded )

(Shielded )

(Shielded )

O 1

OIL P

RE

SSU

RE

SW

30 E

Y−G

W−B

W−B

W−B

W−B

W−B

L−R

W−G

W−R

L−W

W−B

KNKL KNKR MOPS E01 E02 E03 E04 E05 W TACH SPD MPX1MPX2

A

B

C

D

E

F

G

H

P−B

B−O

BR

W

Y

W−G

8

7

Y−R

Y−R

Y−R

Y−R

Y Y

Y

W

BOD

Y E

CU

BA

B 9B

10,

MPX2

MPX1

Y

BR

MPX1

MPX2

MPX+

MPX−

Y

L−W

W−R

E 5 E 6,


A B E 7, C E 8, D E 9, E

BR

W−B

L

From

Com

binationM

eter<30−7>

L

W−B

B−O

BR

P−B

G(Shielded)

(Shielded )

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

17 18 19 20

2 HIGHLANDER (Cont’ d)

W−R

L−W

P−B

B−O

BR

W−G

A

B

C

D

E

F

G

H

E ngine C on trol and E ng ine Immobilise r S ys tem (1M Z−F E )

SC BAT TC

SIL CG

7 4

5 16 13

4A12

4L6 21 A

4C6

4N1 4F54L7

IC Right cowl side panel

BR

B−O

P−B

D 3DATA LINKCONNECTOR 3

W W−B

W

Y

W−B

W−B

W−G

W−G

9 B

C11 C12,

COMBINATION METER

A B

W−G

L−WY

12 IF3

L−W

9 IL1W−R

W−R

From C

ombination

Meter<

30−4>

From C

ombination

Meter<

30−3>

4L11

21 IL1

W−G

W−B

MPX− MPX+

ME

MO

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4


FL MAIN3. 0W

BATTERY


10

W

2

140A ALT

30A A

M2

1

3

E ng ine Control and Eng ine Immobiliser S ystem (2AZ−FE )

1 IC1

I15IGNITION SW

25AA/F

2

2

20AEFI

2I1

1C1

1G1

1C4

15AIG2

1G9

7. 5AIGN

2

1I 8INJE

CTO

R N

O. 1 2

1I 9INJE

CTO

R N

O. 2 2

1I10IN

JEC

TOR

NO

. 3 2

1I11IN

JEC

TOR

NO

. 4

11 IM1

BB

B

2

1

3

5

2 2 2

1G6

44M

4E1

32

1 5

1

1 1

4F1

5

4

M


1

IC28

2

2

1

3

5

2F4 2B82A7 2D3 2B4

2G5

2B5

EHUnder the leftheadlight

A

13 IK2

72B

A

B

C

D

E

G

I

J

K

L

M

N

L−Y

B

W W

B

L−Y

2

1

B

B B B

R−L

Y

B−W L

A/FRELAY

R−W

R−W B P−L

H

B−O

G−R Y

B−R

B−O

Y

B−O

B−O

F12FUEL PUMP


W−B

W−B

EFIRELAY

P−L

W−B

W−B

B−R

B−W

B−W

W

P−L

G−R

B−O

R−W

R−W

B

CIRCUITOPENINGRELAY

L

B−W

Y

R−L

B−W

6 EB2

F

B−W

B−W

B−W

5 IG2

ST2

6AM2

L−Y

8 IA2

P−L

P ower Source

B B

L

B−W

Y

R−L

G−R

B−O

W−B

R−W

R−W

B

W

P−L W

B

W

B

M

5 6 7 8


B−W

P−L

G−R

B−O

R−W

R−W

B

L

B−W

Y

R−L

B−W

E ng ine Con trol and E ng ine Immobilise r S ystem (2A Z−F E)

A

B

C

D

G

H

I

J

K

L

M

N

4 E 3 E 2 E 1 E8 A 3 A 2 A

4 ID1

16 A

D

1

2

9 ID1

6 B 1 A

W

B−W

E

F

IK310

D

16 C

L

V12

VS

V (PressureS

witching Valve )


W W

W

WW G−Y

G−Y

W

E 5 E 6,


A B , E 7 C , E 8 D , E 9 E

G−R

B−O L

B−W Y R−L

1

2V 3VS

V(C

anisterC

losed Valve )

2

1V

4V

SV (EV

AP )

2 C 6 D

B−W

B−W

P B−R

18 E

A

B

C

4 C

Y

RL

+B TBP BATT STA

12 D 21 D 23 E

M 1MASS AIRFLOW METER

3 2 4

Y−G

R−B

R−Y

1

B−W

G−B

2 3

B−W

I 1IDLE AIRCONTROL VALVE

D

R−W

R−W

B

W−B

B−W

GW

B−W

FW

5

7 A

See A

ir Conditioning

System

<34−8>

25 E

W

10 E

B−Y

11 E

Y−G

12 E

L−Y

13 E

L−R

To Ignition Coiland Igniters<1−3>

FromIgnition C

oiland Igniters<

1−3>

#40 #30 #20 #10MREL FC IGSW VG E2G THA ACMG IGF IGT1 IGT2 IGT3 IGT4

CCV EVP1 RSD

From ”

STA

RTER

” Fuse

<1−1>

From G

enerator<

1−4>

11 IK3

B−W

W

P−L

EB−W

B−W

W−B

B−WB−W

19 E

G−W

OCV+

29 E

Y−R

OCV−

1 2

C 2CAMSHAFT TIMINGCONTROL VALVE

* 1 : w/ Engine Immobiliser System

(*1 )

W(*1) (*1)

20 B

L−W

NSW

From S

TAR

TER R

elay<

1−2>

R−W

R−W

B

(*1)W

B−W

B−W

1

A9

V

NEO

From S

kid Control

EC

U<

16−5>(w

/ ABS

w/o V

SC

)

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

9 10 11 12


R−W

R−W

B

B−W

W−B

W

W

A

B

C

E

D

F

G

E 5 E 6,


A B

25 B 24 B 8 C

GR−L

7. 5A O

BD

1A1

1E10

15 A 3 D 11 D

1 3

2 4

R−L

B

4 D 13 D

1 3

2 4

6 EB1

22 D 5 D 14 D

1 3

2 4

5 EB1

23 D

E

E

5 B

2 3 1

18 D 24 E 2 D

T 2TH

RO

TTLE PO

SITION

SEN

SOR

1

2

22 E

8 IM1 19 IM1 1 IO1 2 IO1

3 IO1

21 B

2

3 1

1

11 C

P 2

PO

WE

R S

TEE

RIN

G O

ILP

RE

SSU

RE S

W

IDLO OD1 F/PS STP

B−O

B−R Y BR

B−W

BR

R−W

BRH 6

HEA

TED

OX

YGE

N S

EN

SO

R(B

ank 1 Sensor 2 )

A 6AIR

FUE

L RA

TIO S

ENSO

R(B

ank 2 Sensor 1 )

A 7AIR

FUE

L RA

TIO S

ENSO

R(B

ank 1 Sensor 1 )

C

D

E

F

G

B

J 6JU

NC

TION

CO

NN

EC

TOR

G R

R

HT1B OX1B HAF2A AF2A+ AF2A− HAF1A AF1A+ AF1A− TC

W W W

W B−W

L−R

W B−W

L−R

E 2EN

GIN

E CO

OLA

NT

TEM

P. SEN

SOR

W−L

L−BL−B

W L−R

W

L−R

V11

VAP

OR

PR

ESS

UR

E S

ENS

OR

WW

L−R

E2 VTA VC THW PTNK PSW

G−Y

E2 VTA VC

E 7, C E 8, D E 9, E

W−B

B−O

(Shielded)

BR

(Shielded)

P−BP−B

E ng ine Con trol and E ng ine Immobilise r S ystem (2A Z−F E)* 1 : w/ Engine Immobiliser System

R−W

R−W

From Airbag

Sensor Assem

bly<

17−2>

See E

lectronically Controlled

Transmission and A

/T Indicator<

13−2>

See C

ruise controlS

ystem<

14−2>

R−W

B

B5 IM1

GR−L

16 E 15 E

NT+ NT−

See Electronically ControlledTransmission and A/T Indicator<13−5>

14 E 26 E

NC+ NC−

14 C 15 C

1 3

2 4

B W

B−W

BRH 5

HEA

TED

OX

YGE

N S

EN

SO

R(B

ank 2 Sensor 2 )

HT2B OX2B

P−B

(Shielded )

(Shielded )

(Shielded )

BR

(Shielded )

(Shielded)

(Shielded)

B−W B−W

A

H

I

(*1)

28 B 19 B 18 B

4 3 51 7

4K8

4N1 4L7


CODE RXCK TXCT

+B CODE RXCK TXCT GNDT 7TRANSPONDER KEYAMPLIFIER

TRANSPONDER KEY COIL W−B

W−B

W−BW

GR−L

P GR

(*1)

(*1 )

(*1 )

(*1 )

(*1)4

To Theft Deterrent

Indicator Light<20−3>

IMLD

LG

(*1 )

26 B

IF3

LG

(*1 )

B23

(*1 )L

KSW

To Unlock W

arning SW<

27−2>

4H5

EOM

22 A

W−B

M

13 14 15 16


W−B

B−O

BR

(Shielded)

(Shielded)

E ng ine Con trol and E ng ine Immobilise r S ystem (2A Z−F E)

C

D

E

F

G

H

1

27 E

1

5 C

EFLeft side ofcylinder block

21 E 31 E

EEIntake side ofcylinder block

1 D 8 D 6 A 27 B 19 A 12 A

1 2 2 1

1 B 16 D 24 D 15 D

C 7CRANKSHAFTPOSITIONSENSOR

C 1CAMSHAFTPOSITIONSENSOR

17 D

IM19A

A

A

A

A

A

A


A

A

10 A

6 B

5 IF3

1 IB24 A

22 B

8 IB2

4F7 4A5

3 IF3

2 B

9 A

P 5

PO

WE

R W

IND

OW

MAS

TER

SWW

ITH E

CU

A/C C

ON

TRO

LAS

SEM

BLY

BA

A10

A11

,

R−L

P L L Y

(Shielded )

(Shielded )

CF NE+ NE− G22+ E1 SIL

(Shielded)

(Shielded)

(Shielded)

(Shielded)

BR

BR

(Shielded)

BR BR

K 1KN

OC

KSE

NSO

R

W

(Shielded)

(Shielded )

O 1

OIL P

RE

SSU

RE

SW

30 E

Y−G

W−B

W−B

W−B

W−B

W−B

L−R

W−G

W−R

L−W

W−B

KNK1 MOPS E01 E02 E03 E04 E05 W TACH SPD MPX1MPX2

A

B

D

E

F

G

H

I

P−B

B−O

BR

W

Y

W−G

8

7

Y−R

Y−R

Y−R

Y−R

Y Y

Y

W

BO

DY E

CU

BA

B 9

B10,

MPX1

MPX2

Y

BR

MPX1

MPX2

MPX+

MPX−

Y

L−W

W−R

E 5 E 6,


A B E 7, C E 8, D E 9, E

BR

W−B

L

From

Com

binationM

eter<30−7>

P−BB

(Shielded)

I

BR A

A(Shielded)

BRBR

A(Shielded)

(Shielded)A

From FA

N N

o. 3 Relay

<32−2>

12 B

G−B

PR2

15 B

R−Y

FAN

From FAN

No. 1 R

elayor FAN

No. 2 R

elay<

32−3>

17 A

WFSE

W−L

CW−L

W−B

B−O

P−B

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

17 18 19 20


W−R

L−W

P−B

B−O

BR

W−G

A

B

D

E

F

G

H

I

E ngine C on trol and E ng ine Immobilise r S ys tem (2A Z−F E )

SC BAT TC

SIL CG

7 4

5 16 13

4A12

4L6 21 A

4C6 4L11

4N1 4F54L7


BR

B−O

P−B

D 3DATA LINKCONNECTOR 3W W−B

W

Y

W−B

W−B

W−G

W−G

9 B

C11 C12,

COMBINATION METER

A B

W−G

L−WY

12 IF3

L−W

9 IL1

W−R

W−R

From C

ombination

Meter<

30−4>

From C

ombination

Meter<

30−3>

W−LC

WFSE

15

W−L

21 IL1

W−G

W−B

MPX− MPX+

ME

MO

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4

4 HIGHLANDER

Pow er Source H ead light (w / D aytime R unn ing Ligh t)

40AMAIN

2G4

2I1

3

4

2

1

2B1

10A H

EA

D LP LH

UP

R

10A H

EAD

LP R

H U

PR

7. 5ADRL

2F2 2F5 3

3

1

2

5

3

2

1

4

3 3

3 3 3

2

1

4

3

2

1

3 3

3 3

EBRight frontfender apron

15AHEAD LPLH LWR

15AHEAD LPRH LWR

2

2 2

1

2

1

2

EGUnder the leftheadlight

EA Right frontfender apron

8 IC3

7 IF3

A A

9 IF2

4A13

4F6 4N2

1

4H3

4M9

14 B 14 D

4

3

2

1

3 3

3 3

DIM

ME

R S

WLIG

HT

CO

NTR

OL S

W

FLASH

HIGH

LOW

HEAD

TAIL

OFF

15 B 17 B

11 IK2 12 IK3

3 C 2 C

2

1

BATTERY

1

3

F 7FUSIBLE LINKBLOCK

FL MAIN3. 0W

HE

AD

LAM

P RE

LAY

DR

L NO

. 3R

ELA

Y

DR

L NO

. 4R

ELA

Y

H 1

HEA

DLIG

HT LH

(High B

eam)

H 3

HE

AD

LIGH

T RH

(High Beam

)

H 2

HEA

DLIG

HT LH

(Low B

eam)

H 4

HE

ADLIG

HT R

H(Low

Beam)

1 1

2 2

16 B

19 A

C13COMBINATION SW

P 3

PAR

KIN

G B

RAK

E SW

HRLY DRL

HF HEAD PKBHU

DRL NO. 2RELAY

R−B

R B

W

R

W

R−W

L−Y

L−W

L−W

R−W

R−W

W−B

R−L

W−B

W−B W−B

W−B

W−B

R−L

R−W

R−L

R−Y

R−Y

R−W

R−W

R−W R−W

R R−L

GR−L

7 8 13



W−B

W−B

HIG

H B

EAM

IND

ICA

TOR

LIGH

T[C

OM

B. METER

] BA

C11

C12

,

B R−B

R−B

R

L−RL−R P

B

B 9 B10,

BODY ECU

A B ,

B

1

ACC

IG1AM1 2

5 A

IG

R−L

3A10

3B5

1K10

1C7R−L

1A1

40A A

M1

1C6

BW

B−Y

B−Y

I15IGNITION SW

2

W−B

B

R−B

16 W−B

IALeft cowl side panel

B11 B12, C D

7 D

GND1 GND2

A2

3B3

13 3F

4N1

11 4H

4L7

ICRight cowlside panel

IB Rightinstrumentpanelbrace

W−B

W−B

W−B

W−B

W−B

GR−L

140AALT

7. 5AIG1

R−L

R−L

HU HL HF T H EL

1

2

2

1

M

1 2 3 4

5 HIGHLANDER

3

1

2B1

4

3

1

2

2I1

40A M

AIN

2

1

10A H

EAD

LP R

H U

PR

2F5

10A HE

AD LP LH

UP

R

2F2 2G1

15AHEAD LPLH LWR

15AHEAD LPRH LWR

2

1 1

2 2

2 2

1

2

1

2


A A

8 IC3 1 IC2 5 IK3

1

2

1

2

7 IF3

DIM

ME

R S

WLIG

HT

CO

NTR

OL S

W

FLASH

HIGH

LOW

HEAD

TAIL

OFF

16 B

19 A

C13COMBINATION SW

7 8 13

HIG

H B

EAM

IND

ICATO

R LIG

HT

[CO

MB

. ME

TER

] BA

C11

C12

,

4I1

4N2

IF29

4F6

4A13

3 C

11 IK2

14 B 17 B15 B

B10 B11,

BODY ECU

B C

Head ligh t (w /o D aytime R unn ing Ligh t)P ower S ource

IA Left cowlside panel

16

WW

W−B

W−B

R−Y

R−Y

R−Y

R−W

R−Y

BATTERY

FL MAIN3. 0W


H 2

HE

AD

LIGH

T LH(Low

Beam)

H 4

HEA

DLIG

HT R

H(Low

Beam

)


R−B

R−G

L−Y

L−B

R−Y

R

L−BL−R

L−Y

R−G

R−W

R−W

R−W

R−W R R−L

R−W

H 3

HE

ADLIG

HT R

H(H

igh Beam

)

H 1

HE

AD

LIGH

T LH(H

igh Beam

)

R−W

R−W

R−W R−W

R−W

R−W

W−BR−W

HF HEAD

HRLY

HU

HEAD LAMPRELAY

HU HL HF T H EL

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4

6 HIGHLANDER

P ow er S ource Ta illight

2

1

3

5

10ATAIL

1J4 1B4 1B11 1H41A1

140A A

LT

7 A

18 B

OFF

TAIL

HEAD

T EL H

16

14


2

1

2

1

6

4

1 IA2

6

4

1

2

1

2

A A

EG under the leftheadlight


B

B

BC Left side ofrear cross member

BE Left side ofback door

AA

BD Right side ofrear cross member

13 BF1

A

2 BG2

1

2

B

B

B B B B

TAILLIGHTRELAY

BATTERY

F 7FU

SIBLE LIN

KBLO

CK

1

2

W

FL MAIN3. 0W

LIGH

TC

ON

TRO

L SW

C13

CO

MBIN

ATIO

N SW

B

G−W

G−R

W−B

B 9 B10,

BODY ECU

A BTRLY

TAIL

GGGG

GG

J12JUNCTIONCONNECTOR

G G GG




W−B

W−B

F 3FR

ON

T PAR

KIN

G LIG

HT LH

F 4FR

ON

T PAR

KING

LIGH

T RH

R 7

TAILLIG

HT LH

[REA

R C

OM

BIN

ATIO

N LIG

HT LH

]

R 8

TAILLIG

HT R

H[R

EAR

CO

MB

INA

TION

LIGH

T RH

]

R15

RE

AR S

IDE

MA

RK

ER

LIGH

T RH

R14

RE

AR

SID

E M

ARKE

R LIG

HT LH

L 1LIC

ENS

E PLA

TE LIG

HT

J13JUNCTION CONNECTOR


G

To TrailerConverter<23−4>

G

W−B

W−B

W−B

W−B

W−B

W−B

W−B

W−B W−B

G

B

M

3 421

7 HIGHLANDER

1C6

40AAM1

1A1

140A A

LT

1C7

7. 5AIG1

8 1E


A

BC Left side ofrear crossmember

B

B

6

2

11 IA2

4A94E7

3F13

10 3E 3G9

10 IF2

4C9

4C10

5 IF2

4M13

4E8

4C84A4

9 IO113 IK3

6

2

2

3



AA

20 IL1

HornTurn S igna l and H azard W arn ing L ight

W

Pow er Source

2I1

10A H

OR

N

15A H

AZARD

2B2

2

1

3

5

2E1 2B6

1

11

1

2

3

IB Right instrumentpanel brace

LH

RH

TL TR TB

31

IA Left cowl sidepanel

8 5 6 7

2

1

2

2 3 1 4

8

B−Y

G−Y

G−B

R−L

G−W

R−B

W−R

W−B

BW

WW

G−B

G−Y

G−B

G−B

G−B

G−Y

G−Y

G−Y

G−B

G−B

G−B

G−Y

G−Y

G−Y

W−B

W−B

W−B

W−B

W−B

W−B

W−B

W−B

G−R

G−R

W−B

W−B

W−B

G−W

W

W−R

W−R

G−W

W−B

C13TURN SIGNAL SW[COMB. SW]

HORNRELAY

H 7HORNLH


T 8TURN SIGNAL FLASHER

S13

HO

RN

SW

[SPIR

AL CAB

LE]

F 4FR

ON

T TUR

N SIG

NA

LLIG

HT R

H

R 8

RE

AR

TUR

NSIG

NA

L LIGH

T RH

[REA

R C

OM

B.

LIGH

T RH

]

R 7

RE

AR TU

RN

SIG

NAL LIG

HT LH

[RE

AR

CO

MB

. LIG

HT LH

]

F 3FR

ON

T TUR

NS

IGN

AL LIG

HT LH

J12JU

NC

TION

CO

NN

EC

TOR

H 8HORNRH


G−W

R−L

BA

TTER

Y


F

23


HAZ EL ER E

LR LL IG B

G−B

G−YG−B

12 IC2

19 IC3

5 IC2

4M6

10 4G 4C4

W−B

4 4D

14 1D

4 1E

22

14 15

C11

TUR

N SIG

NA

LIN

DIC

ATO

R LIG

HT

3E

9 3B

G−R

To TowingConverter<23−4>

To TowingConverter<23−4>

G−Y

C

C

C

(*1 )(*1 )

G−B(*1)

(*2 )

FL MAIN3. 0W

* 2 : w/o Trailer Towing* 1 : w/ Trailer Towing

J13JU

NC

TION

CO

NN

EC

TOR

A10H

AZA

RD

SW

[A/C

CO

NTR

OL

ASS

EMB

LY]

IL24

W−B W−B

1

ACC

IG1

ST1

AM1 2

3B

G−R

8

To BodyEC

U<

19−8>

W−R

10

W−R

HORN

B12BODY ECU

(*1)

I15IGNITION SW

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

3 421

8 HIGHLANDER

40A A

M1

20A S

TOP

1C6

1A1

1

140A A

LT

1E1

1

2 4L1

4L3 4N3

4A11

6 IA2

5 BG2

BELeft side of back door

A

BDRight side ofrear cross member

A

6

5

12 BF1

B

B

1C7

7. 5AIG1


B

B

6

5

BD

A

A

A

20 IM1

2

3

1G2

2

2

1

1

B AB

R−L

B−YB−YW

G−W

WB

W

G−W

G−B

G−W

G−W

G−W

G−W

G−R

G−W

G−W

W−B

G−W

G−W

W−B

W−B

W−B

G−W

R−B

W−B

W−B

R−B

R−B

R−B

H11

HIG

H M

OU

NTED

STOP

LIGH

T





S15STOPLIGHT SW

To Shift Lock EC

U<

25−3>

R 8

STO

P LIGH

T RH

[RE

AR

CO

MB

. LIGH

T RH

]

R 7

STO

P LIG

HT LH

[RE

AR C

OM

B. LIGH

T LH]

R 8

BA

CK−U

P LIG

HT R

H[R

EA

R C

OM

B. LIG

HT R

H]

R 7

BA

CK−U

P LIG

HT LH

[RE

AR

CO

MB

. LIGH

T LH]

2 G−W

BATTE

RY

To Skid C

ontrol EC

U<

15−3><

16−3>



P ow er S ource S top Ligh t B ack−U p L ight

4M12

G−W

To Engine Control M

odule<

12−2><

13−2>

P 1BACK−UP LIGHTSW

F 7FU

SIB

LE LIN

K B

LOC

K

R−B

FL MAIN3. 0W

4A6

4I3

10 IA2

R−B

5 BF1

6

1

B

6

1

B

BJ12JUNCTIONCONNECTOR

Right side ofrear cross member

Left side ofrear crossmember

BC

R−B

W−B

G−W

To Towing C

onverter<

23−4>R−B

1

ACC

IG1AM1 2

I15IGNITION SW

IM110

R−L

R−B

B

BJ 8JUNCTIONCONNECTOR

ME

MO

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4

9 HIGHLANDER

P ow er S ource Inte rior L ight and G arage D oor O pener

1A1

140A ALT

2

B

I15IGNITION SW

20A D FR

DO

OR

1

W

W

FL MAIN3. 0W

3

W

(Cont. next page)

25A P FR

DO

OR

B−Y

7. 5A IG

1

7 1C 1C2

7. 5A R

ADIO

NO

. 2

P

7. 5AECU−B

2A4 3 2A

SHORTPIN

A

B

C

D

E

GR

R−L

R−W

L−W

W−L

W−L

2I1


P

1

ACC

IG1AM1

3

2

BATTERY

1C6

1K10 1J6

1K6 1D12

12 IK2

4H6

4J1 4D13 4D12

15 IA1

3 BG3

1

2

2

1

DO

OR

OFFO

N

BELeft side ofback door

A

1 IE1

2

1

2

1

2

1

6

2

1

2

10ADOME

8 IE1

7 4L

5 4D

1 4N

6 4M

14 1D

4 1E

5 IE1

2 4F

5 4J4H1

ICRight cowl side panel IA Left cowl side panel

1 2

F

G

P 4

PER

SO

NAL LIG

HT

V10VA

NITY

LIGH

T RH

V 9

VAN

ITY LIG

HT LH

AN

DG

ARA

GE

DO

OR

OP

EN

ER

I16IN

TERIO

R LIG

HT

T 7IG

NITIO

N KE

YC

YLIND

ER

ILLUM

INATIO

N[TR

AN

SPO

ND

ER KE

Y A

MPLIFIE

R]

I14IG

NITIO

N K

EY C

YLIND

ER

ILLUM

INA

TION

R11

RE

AR

INTE

RIO

RLIG

HT

D 4

DIO

DE

(Rear Interior Light )


R12REAR INTERIORLIGHT SW

V

W−R

W−R

R−B

RV

V VG−W

G−W

G−W

V VG−Y

G−Y

G−Y

G−Y

W−B

W−B

W−B

W−B

W−B

W−B

G−Y

R−L

L−W

V W−B

R−W

GR

G−Y

W−R

W−B

W−B

40AAM1

V

W−R

G−W

G−W G−W G−W

(*2 )

(*1 )

W−B

* 2 : w/o Engine Immobiliser System* 1 : w/ Engine Immobiliser System

W−B

2

1

OP

EN

ER

SW

2

1

DO

OR

OFF

ON

(*2 )

(*1 )

GR

R−L

R−W

L−W

W−L


ABG1

1W−B W−B

M

5 6 7 8


In terior L ight and G arage D oor O pener

A

B

C

D

E

F

G

3 BF1

17 IO2

4 IA1

4 BG310 ID1

3 ID1

C

C

11 D 6 C 11 C 16 D 15 D

C

6 3C

8 3A

5 3B

10 3A

6 1H

10 1G

10 IB2 10 IN2

2

1

2

1

3 IB1 3 IN1

6 IL2

9 D 19 C 12 D 5 A 17 A

GR

R−L

R−W

L−W

W−L

G−Y

W−R

GR

R−L

G−B

G−B

G−B

G−B

W−L

W−L

L−W

R−W

R−L

GR

W−R

G−Y

R−L

R−L

RR

R

R

R−L

R−L

W−R

W−R

R

D 5

DO

OR

CO

UR

TESY

LIGH

TFR

ON

T LH

D 6

DO

OR

CO

UR

TESY

LIGH

TFR

ON

T RH

D 7

DO

OR

CO

UR

TESY

SWFR

ON

T LH

D 8

DO

OR

CO

UR

TESY

SWFR

ON

T RH

D 9

DO

OR

CO

UR

TESY

SWR

EAR

LH

D10

DO

OR

CO

UR

TESY

SWR

EAR

RH

ILE BCTY DCTY PCTY RCTY

BECU DCYL PCYL IG ACC

B 9 B10,

BODY ECU

A B

L−W

R−W

2 IC3

C, B11

J12JU

NC

TION

CO

NN

EC

TOR

1 1 1 1

7 D

GND1

2 A

GND2

4N1 3F134L7

3B34H11

ICRight cowl side panel IB Right instrumentpanel brace

W−B

W−B

W−B

W−B

W−B

6 B

MPX1

10 A

MPX2

See MultiplexCommunicationBus System<21−3>

B12, D

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

3 421

10 HIGHLANDER

140A ALT

1

IBRight instrumentpanel brace

3F13

3H10

2

1

3H23A 1 3J

15

21

7 3D 3G1

1

2

3G8 1 3H

1

4

4 3H 3E8

2

1

3I3 4 3D

5

6

6 3D 3F2

2

1

3K9 8 3K

1

2

1 3K

11

2

1

1K7

7. 5A PA

NE

L

1J4

5

3

1

2

3A12

1A1

GGGGGGGG

W−G

W−G

W−G

W−G

W−G

W−G

W−G

W−G

G

BW

G

G 4

GLO

VE

BOX LIG

HT

S 4

SEA

T HE

ATER S

W R

H

S 3

SE

AT HE

ATE

R S

W LH

E 4

ELE

CTR

ON

ICALLY

CO

NTR

OLLE

DTR

AN

SM

ISS

ION

PATTER

NS

ELE

CT SW

ILLUM

INA

TION

T 6TR

AC

OFF S

W

O 2

O/D

MAIN

SW

ILLUM

INA

TION

C10

CIG

ARE

TTE LIG

HTE

RILLU

MIN

ATION

A10

A/C

CO

NTR

OL A

SSE

MB

LY

A22

AS

HTR

AY

ILLUM

INA

TION

3A


TAILLIGHTRELAY

BATTER

Y

P ow er S ource Illum ination

2

7

W−G

8 3I

2 3G

W−G

R 4

RA

DIO

AN

D P

LAY

ER

G G

W−B

W−B

* 1 : 6 Speaker* 2 : 8 Speaker

FL MAIN

3. 0W

3F4

2

1

3J2

GW−G

F 9FR

ON

T WIPE

R D

EIC

ER

AN

D M

IRR

OR

HE

ATER

SW

10 B

5 A

RAD

IO AN

D PLAY

ER

BA

R 2

R 3

,

3F5

7

C11COMBINATION METER

W−G

12

2

(*2 )

(*1 )(*1 )

(*2 )

See Taillight

System

<6−1>

(*3 )(*3 )

* 3 : w/ VSC 2WD

M

1 2 3 4

11 HIGHLANDER

10AFR FOG

10ATAIL

2

1

3

5

2

1

5

3

1B7 1J2

1J4

1A1

40AAM1

1

ACC

IG1AM1

3

2

1C6

4

3

2

1

40AMAIN

7. 5A EC

U−B

7. 5ARADIONO. 2

7. 5AIG1

1C7 1C2

2I1

3

2A4

1K10 1J6

3C63B5

1H6

3A10 3A8

1G10

2 IC3

17 A5 A 12 A 20 A 21 A

11 IK2

121314811

16 B17 B18 B15 B10 B

GR

R−L

R−L

GR

R R−B

R−Y

L−R

W−L

G−Y

R G−R

R−L

B−O

IA Left cowl side panel

W−B

16

9 D6 A 11 C

W−L

W−L

B−Y P

BR−W

W B

W B

W

See Taillight

System

<6−1>

See H

eadlightS

ystem<

4−3>

1

2

1

2

R−W

W−B

W−B

R−W

R−W

EARight front fender apron

AJ 3JUNCTIONCONNECTOR

F 1FR

ON

T FOG

LIGH

T LH

F 2FR

ON

T FOG

LIGH

T RH

EG Under the left headlight


I15IGNITION SW A23

AUTOMATIC LIGHTCONTROL SENSOR

BR−W

P

B−Y

W

FFGO FFOG HF TAIL HEAD A DCTY BECU

CLTSCLTECLTBACCIG

DR

L NO

. 2 RE

LAY

SH

OR

T PIN

F 7FU

SIB

LE LINK B

LOC

K

BATTERY

1

3 2

FL MAIN3. 0W

140A ALT

TAILLIGHTRELAY

FOG LIGHTRELAY

2

1

1

2

B 9 B10,

BODY ECU

A B , CB11 , B12 D

CLTB CLTE CLTS

1 3 4

1710

LG

FOGLIGHT SW

LIGHTCONTROL SW

DIMMERSW

C13COMBINATIONSW

OFF

ON

OFF

TAIL

HEAD

AUTO

LOW

HIGH

FLASH

Pow er S ource F ron t F og L ight A u tomatic L igh t C on trol

See Interior Light

System

<9−5>

HRLY

3 C

L−R

3

33

2G4

R−B

R−B

R−B

W−L

L−R

TRLY

A7See T

aillight System<

6−1>

LFG BFG HU HL HF T H EL A

W

B

W

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4


1

ACC

IG1

IG2

ST2

AM1 2

65 AM2

I15IGNITION SW

40A A

M1

1C6

1A1

2

1

2

140A A

LT

1

W

30A AM

2

10 3

FL MAIN3. 0W

BATTERY


1 IC1

2I1

2

1

3

5

2F4 2B42B5 2B7

20A E

FI

EF1 R

ELAY

1C1

1G6

7. 5A IG

N

1C7

7. 5A IG1

1G2

4E1

4M4

B−O

11 IK310 IK3



B−WW

16 A

+B

A

1 A

BATT

B−WW

15 A

STP

G−W

2 A

IGSW

B−O

R−L

10 IM1

R−L

B−YB

B−Y

B

W L−Y

WL−YB

W−B

P−L

W−B

P−L

24 B

7 IM1

R−Y

1 C

R−Y

R−Y

3 C

G−Y

E 1ELECTRONICALLY CONTROLLEDTRANSMISSION SOLENOID

2 C

B−R

7 ER−L

9 E

R−B

8 E

R−W

20 E

L−B

19 E

L−W

13 D

G−R

8 2 7 3 4 9 5 10 1

18 D

WR−Y

23 D 2 D 14 D

A

8 D

W−B


A

J 7JU

NC

TION

CO

NN

EC

TOR

17 D

BR

1 D

W−B

30 E

W−B


21 E

W−B

31 E

W−B

BR

W−B

4A6

4I4

GR−B

20 IM117 IM1 6 IM1

G−W

G−R

R−W

16 IM1

G−W

1 2 5 7 4 8

3

P R N D 2 L

D

D D

B

B B

C

C C

A

A AG−W

R−B

R−W

G−B

9 C

G−W

R−B

G−B

R−W

G−W

G−W

R−B

(*1 )

R−W

(*2 )

G−B

8 C

R−B

7 C

R−W

16 C

G−B

14 C

L−Y

13 C

L−R

J 8JU

NC

TION

CO

NN

EC

TOR

R−L

E 5 E 6,


A B E 7, C E 8, D E 9, E

P ow er S ource E lec tron ica lly C on trolled Transmiss ion and A /T Ind ica tor (1M Z−FE )

8

MREL OD1 S4 SLT+ SLT− DSL SL2+ SL2− SL1+ SL1− THO E2 VTA1 VC THW EO5 E1 EO4 EO3 EO1 EO2

P R N D 2 L

IK213

P−L

From Stop Light

System<

8−2>

* 1 : w/ VSC* 2 : w/o VSC

See Engine and

Engine Im

mobiliser

System

<2−9>

<2−10>

R−W

(*2 )

(*1 )

(*2 )

(*2 )

(*1 )

(*1 )

(*1 )

(*1 )

To Skid C

ontrolEC

U<

16−7>

To Skid C

ontrolEC

U<

15−11>

To Cruise C

ontrolE

CU

<14−2>

G−B

(*2 )

FromC

ruise Control

EC

U<

14−3>

See

Cruise C

ontrolS

ystem<

14−2>

P 1A/T INDICATOR SW

6

R O G G Y BR W B O O

M

5 6 7 8


12 C

B−O

15 IM1

B−O

18 A

IB Right instrument panelbrace

11 A

W−B

5 C 4 C 24 E 23 E 22 B 9 A

E 5 E 6,


A B E 7, C E 8, D E 9, E

E lectron ically Controlled Transmiss ion and A /T Indicato r (1M Z−F E )

ODMS MPX2MPX1

NT+ NT− NC+ NC− SPD ODLP

2 IF3

15 A 6 B

YY−B

SNOW MPX1

3F13

3H8 3D8

6

3

W−B

B−O 4

3

W−B

B 9 B10,

BODY ECU

A B

O 2

O/D

MA

IN S

W

E 4

ELE

CTR

ON

ICA

LLYC

ON

TRO

LLED

TRAN

SM

ISSIO

NP

ATTER

N SE

LECT S

W

1

2

T 3TU

RBIN

E S

PEE

DS

EN

SO

RP

1

2

C 6

CO

UN

TER

GE

ARSP

EED

SEN

SOR

W−R

G L

W−R

B−R

3B1

3J9

W−R

B−R

W−R

21 A 9 B

13 B 10 B

12 IF3

L−W

L−W

L−W

9 A

MPX−

2 B

MPX+

L−W

Y

10 A

MPX2

5 IF3

1 IB2

MPX1

MPX2

YY

Y

3 IF3

8 IB2

4F7

4A5

Y−R

Y−RY−R

Y−R

7

8

A10 A11,

A/C CONTROLASSEMBLY

A B

CO

MBIN

ATIO

N M

ETE

R

BA

C11

C12

,

P 5

PO

WE

R W

IND

OW

MA

STE

RS

W W

ITH E

CU

17 IF39 IL1

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4


1

ACC

IG1

IG2

ST2

AM1 2

65 AM2

I15IGNITION SW

40A AM

1

1C6

1A1

2

1

2

140A A

LT

1

W

30A AM

2

10 3

FL MAIN3. 0W

BATTERY


1 IC1

2I1

2

1

3

5

2F4 2B42B5 2B7

20A E

FI

EF1 R

ELAY

1C1

1G6

7. 5A IG

N

1C7

7. 5A IG1

1G2

4E1

4M4

B−O

11 IK310 IK3



B−WW

16 A

+B

A

1 A

BATT

B−WW

15 A

STP

G−W

2 A

IGSW

B−O

R−L

R−L

B−YB

B−Y

B

W L−Y

WL−YB

W−B

P−L

W−B

P−L

24 B

7 IM1

R−Y

12 C

R−Y

R−Y

6 E

G−Y

E 1ELECTRONICALLY CONTROLLEDTRANSMISSION SOLENOID

5 E

B−R

6 C

R−L

7 EL−B

9 E

L−W

8 E

R−B

20 E

R−W

17 E

G−R

8 2 7 3 5 10 4 9 1

18 D

W

R−Y

31 E

W−B

EFLeft side ofcylinder block

21 E

W−B

30 E

W−B

EE Intake side ofcylinder block

1 D

W−B

8 D

W−B

W−B

4K5

4A6

G

G−W

1 2 5 7 4 8

3

P R N D 2 L

C

C

G−W

R−B

R−W

G−R

10 B

G−W

2 B 11 B 1 C 7 C

L−Y

13 C

L−R

J 6JU

NC

TION

CO

NN

EC

TOR

P 1A/T INDICATOR SW

R−L

E 5 E 6,


A B E 7, C E 8, D E 9, E

Pow er Source E lec tron ica lly C on trolled T ransmiss ion and A /T Ind ica tor (2A Z−FE )

8

MREL OD1 S4 SLT+ SLT− DSL SL1+ SL1− SL2+ SL2− THO E2 E02 E01 E03 E04 E05

P R N D 2 L

IK213

P−L

C

16 IM120 IM16 IM1

G−W

R−W

R−B

G−R

B

B

J 6JU

NC

TION

CO

NN

EC

TOR

44I

R−W

R−W

G−W

B

G−R

R−W

G−W(*1)

G−W(*2)

G

R−B

From Stop Light S

W<

8−2>

* 1 : w/ VSC* 2 : w/o VSC

G−R

17 IM1

G−B

(*2 )

(*1 )

(*1 )

(*1 )

(*1)

(*2 )

(*2 )

(*2)

G−R

To Skid ControlECU<16−7>

To Skid ControlECU<15−11>

To Cruise

Control EC

U<

14−2>

24 E 2 D 22 E

VTA VC THW

See Engine andEngine ImmobiliserSystem<3−9><3−10>From

Cruise C

ontrolE

CU

<14−3>

See

Cruise C

ontrolS

ystem<

14−2>

10 IM1

6

R O G G W B Y BR O O

M

5 6 7 8


7 B

B−O

19 A

IB Right instrument panelbrace

12 A

W−B

16 E 15 E 14 E 26 E 22 B 5 A

E 5 E 6,


A B E 7, C E 8, D E 9, E

E lectron ically Controlled Transmiss ion and A /T Indicato r (2A Z−F E )

ODMS MPX2MPX1

NT+ NT− NC+ NC− SPD ODLP

2 IF3 15 A 6 B

YY−B

SNOW MPX1

3F13

3H8 3D8

6

3

W−B

B−O

4

3

W−B

B 9 B10,

BODY ECU

A B

O 2

O/D

MA

IN S

W

E 4

ELE

CTR

ON

ICA

LLYC

ON

TRO

LLED

TRAN

SM

ISSIO

NP

ATTER

N SE

LECT S

W

1

2

T 3TU

RBIN

E S

PEE

DS

EN

SO

RP

1

2

C 6

CO

UN

TER

GE

ARSP

EED

SEN

SOR

W−R

G L

W−R

B−R

3B1

3J9

W−R

B−R

W−R

21 A 9 B

13 B 10 B

12 IF3

L−W

L−W

L−W

9 A

MPX−

2 B

MPX+

L−W

Y

10 A

MPX2

5 IF3

1 IB2

MPX1

MPX2

YY

Y

3 IF3

8 IB2

4F7

4A5

Y−R

Y−RY−R

Y−R

7

8

A10 A11,

A/C CONTROLASSEMBLY

A B

CO

MBIN

ATIO

N M

ETE

R

BA

C11

C12

,

P 5

PO

WE

R W

IND

OW

MA

STER S

W W

ITH EC

U

17 IF39 IL1

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4

14 HIGHLANDER

2

140A A

LT

1

1A1

20A STO

P

40A AM

1

1C61E1

1

ACC

IG1AM1 2

15A E

CU−IG

1C7

1G13

2

3

11

W−B

4H84H9104H

74L

14N


LG

M

16 IK2 15 IK2 5 IK2

L−BL−B

1 2 3

15 7

4

1

2

4

3

4L3

4A7

G−B

L−Y

G−W

G−W

L−O

BR−W

L−O

L−Y

8 3

6 IF219 IF3

4F4

4E4

4A1

E

E

1 13

105122

1613 14 64

C ruise Contro lP ow er S ource

WB

BATTERY

FL MAIN3. 0W


2

1

I15IGNITION SW

WG−B

B−Y

R−B

G−B

(*2 )

D IDL OD

PISPD+B

IDLO OD1

R−Y

WP−L

E 6ENGINE CONTROLMODULE

IK24

W−B

BR−W

L−O

W−B

C 8CRUISE CONTROL ACTUATOR

W−B

W−B

W−B

S13CRUISECONTROL SW[SPIRAL CABLE]

W−B

MCMOCCSGND

TC

TCC/C

W−R

R−L

W−R

R−L

R−L

P−B

P−B

R−L


S15STOP LIGHTSW

L STP

G−B

C15CRUISE CONTROL ECU


* 2 : w/o VSC* 1 : w/ VSC

ECT

CRUISE

RES/ACC

SET/COAST

CANCEL

MO MC L

GND

G−B

(*1 )

From A/T Indicator S

W<

12−3><

13−3>

From Skid C

ontrolEC

U<

15−11>

From CombinationMeter<30−4><30−7>

25 24

To Engine C

ontrolM

odule<12−2>

<13−2>

ME

MO

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4

15 HIGHLANDER

P ower Source V SC

1

ACC

IG1

IG2

ST2

AM1 2

65 AM2

1A1

1C6

140A ALT

2

BW L−Y

I15IGNITION SW

F 7FUSIBLE LINK BLOCK

40A AM

1

1

2

1 1 IC1

4

7

5

1

5 5

5 5 22

22

5

3

1

2

7. 5A A

BS 3

15 A

28 B 10 C 19 C

4I5

4A12

8 A 6 D 7 D 8 D 9 D 7 A 1 A 4 D 31 D 6 A 21 D 5 D16 A

V Y−G

GR−L

G−W

R−B

R−L

L−B

W−R

L−W

W−G

P

R−W

7 14 13

P−B

P−L

P−B

WW

G−R

L−Y B

B−R

W−L

W−B

Y−B

L

3 C

B−YA

W

FL MAIN3. 0W

30A A

M2

40A AB

S1

40A AB

S2


J 6JU

NC

TION

CO

NN

ECTO

R

E

E

AB

S SO

LR

ELA

Y

S 9 S10,

SKID CONTROL ECU

A B S11, C

10 8 9

BB

10 D23 D 11 D

22 A 15 A 18 A 7 A 6 A 12 A 19 A 14 A 23 A 4 A 10 A 5 A 24 A

L−O

2A

SKID

CO

NTR

OL

RE

LAY

5

22 A

EHUnder the left headlight

A A A

1 D

MR2 R2+ SR R1+


SIL TS TC

D/G TS TC

L LG

B−O

W−B

W−L

P−LB−R

G−R

W−B

W

P−L

W−B

W−B

W−B B 2 B 3,

BRAKE ACTUATOR

A B

S12, D

GND3 GND4 SFRH SFRR SFLH SFLR SRRH SRRR SRLH SRLR SRM1 SRC1 AST SRM2 SRC2

16 A

STP

(Cont. next page)

W−L

8

BATTERY

From Stop Light

SW<

8−2>

B−Y

B

2

2

2

1

B

B−O

2I1

2A4

7. 5A ECU−B

3

WS

HO

RT PIN

B−Y

B

22 D

+BIW−L

W−L

M

5 6 7 8


V SC

EH Under the left headlight

12 IO2 4 IO2 3 IO2 13 IO2

1 B 10 B 20 B 3 B

R−L

R−WB

B

R−W

R−L

W−B

W−B

W−B

B−YA

BB

M

EG Under the leftheadlight

S 9 S10,

SKID CONTROL ECU

A B S11, C S12, D

A821 A

3 A 2 A

Y−R

W−L

A1320 A

5 A 4 A

L−R

BR−W

B 2 B 3,

BRAKE ACTUATOR

A B

3 A 1 B 2 B 3 B

14 A 20 A 10 A 19 A

SM1+ SM1− SM2+ SM2− MT VCM PMC E2

P−L

B W R

MASTER CYLINDERPRESSURE SENSOR

(Cont. next page)

13 A

FSS

(Shielded )

16 B

5 IO2

YD VYS YAW2 GYAW YSS

G−Y

G−Y

4 5 1 3

7. 5AIGN

1C1

1G6

5 IL2 18 IF3 4 IF2 6 IF3 16 IF3 14 IF3 15 IF3

2 C 1 C 8 C 14 C 4 C 6 C

6 B 17 A 11 B 7 B 2 B 8 B

13 A

11 B 21 B 22 B 2 B 12 B

GGND GL1 GL2 VGS

11 C 20 C 9 C 18 C 26 B

13 A 20 A 14 A 21 A 9 A

5 B 4 B

2 13512

1

2

1

2

2

1

1

2

1 IO2 11 IO2

28 D 13 D 16 C 22 C27 D 12 D 15 C 23 CA 4AB

S SP

EED

SEN

SO

RFR

ON

T LH

A 5AB

S SP

EED

SEN

SO

RFR

ON

T RH

A25AB

S SP

EED

SEN

SO

RR

EA

R R

H

A24AB

S SP

EED

SEN

SO

RR

EA

R LH

Y 1YAW RATE SENSOR

B13BRAKE PEDAL LOADSENCING SWD 1

DECELERATION SENSOR

E 5


A

FL+ FL− FR+ FR− RR+ RR− RL− RL+

SP1 WA BRL VSCW WT IND GGND GL1 GL2 VGS GSS TRC+ TRC− ENG+ ENG− NEO FSW+ FSW−

TRC+ TRC− ENG+ ENG− NEO

G W B R G−B

Y−B

W−L

W−G

V P P−L

GYY

Y−G GBRL

G

R−YY

B−O

B−O

SLIP

TRAC

OFF

VS

C

BRA

KE

ABS

AB−Y

V R−Y

LG−B

L−Y

LG−R

GR

GR

LG−R

L−Y

LG−B

R−Y

V

B−O

C11 C12,

COMBINATION METER

A B

(Shielded )

(Shielded )

(Shielded )

10 IO2 2 IO2

BR

Y−G

16 B

(2AZ−FE)

(1MZ−FE)

E 6, B

1 A

(*1 )

* 1 : 2WD

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

9 10 11 12


V SC

EBRight front fender apron

B−YA

S 9 S10,

SKID CONTROL ECU

A B S11, C S12, D

15AECU−IG

1C7

1D10

4M9

4J3

21 C 25 D 2 D 3 D 7 B

4J4

4M84H2 4C11

1

2

5 C7 C 27 B 18 B 24 C 6 B

4N1

25 B17 C9 B

2

1

5 3I

13 3F

IB Right instrument panel brace

4

3

13 IF3

AA A

9 10 3 4

1 2


G−Y

GR−L

GR−L W−B

W−B

W−B

L−RL−R

W−B

W−B

W−B

W−B

G G−R

G−W

W−B

R−B

R−B

R−B

BR−W

LG L P

LG−B

R−B

R−B

GND2GND1 CSWLBLPKB

IG1 BZ SS1− SS1+ +BO TRIG

P R D

IG ESS

SS1− SS1+ BAT TRIG


T 6TRAC OFFSW

B 4BRAKEWARNINGSW

V 8VS

C W

ARN

ING

BUZZER

S14STEERING SENSOR

1

P 3PARKING BRAKESW

* 1 : 2WD

7 4L

CCS

G−B

B19From

A/T Indicator SW

<12−3>

<13−3>

3 4C

(*1 )(*1 )

(*1 )(*1 )

W−B

W−B

To Cruise C

ontrol ECU

<14−2>

W−B

ME

MO

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4

16 HIGHLANDER

Pow er Source A B S

1

ACC

IG1

IG2

ST2

AM1 2

65 AM2

1A1

1C6

140A ALT

2

BW L−Y

I15IGNITION SW


40A A

M1

1

2

1

1 IC1

1

2

3

5

2 2

2 2 22

22

5

3

2

1

6 A 7 A

7. 5A AB

S 3

EH Under the leftheadlight


2

2

1 C 5 A

15AECU−IG

10 1D

7 1C

9 IC3 21 IC3 10 IC3 20 IC3

9 C 22 C 23 C 10 C 9 B 14 B 15 B

4I5

4A12

8 B

24 C 26 C 25 C 12 A 13 A 1 A 2 A 13 C 12 C 18 A 3 A 4 A 15 A11 C

3W−R

18

GR−L

20

Y−G

19

R−W

14

P

5

W−G

7

V

11

G−R

13

L−Y

21

W−L

22

L−R

G−Y

10 12 6

R−B

G−W

1 3 2 7 14 13

2

P−B

P−L

P−BW

W

BR−L

R−W

R−W

R−L

B

G−R

R−B

W−B

W−B

L−Y B B−R

W−L

B−O

B−O L

B−O

B−O

Y−B

L−OLW−L

1

16 17

W−B

W−B

W−B

11 B

LG

B

B−Y

BA

W

FL MAIN3. 0W

30A A

M2

40A AB

S1

40A AB

S2

B−YD 1DECELERATIONSENSOR


J 6JU

NC

TION

CO

NN

EC

TOR

E

E

ABS

SO

LR

ELAY

AB

S MTR

RE

LAY

S 6 S 7, SKID CONTROL ECUA B

B 1BRAKE ACTUATOR

S 8, C

10 8 9

* 1 : 4WD

VGS GL1 GGND

(*1 )

(*1 )

(*1 )(*1 )

(*1 )

(*1 )

(Shielded )(S

hielded )

R+ AST SRM2 SRM1 SRLR SRLH SRRR SRRH SFLR SFLH SFRR SFRH MR SM1+ SM1− SM2+

SR MRF IG1 STP VGS GL1 GGND GSS D/G TS TC

M

(Cont. next page)

W

2

1

From S

top LightS

W<

8−2>

SIL TS TC

M

5 6 7 8


A B S

A

S 6 S 7, SKID CONTROL ECUA B S 8, C

B 1BRAKE ACTUATOR

14 A 17 A 16 C C17 18 C C2 6 B A20 14 C C15 11 A A22 7 B B16 5 B

4M9

1



18 IF3 4 IF2 6 IF3

2 1

3 C 4 C

R−Y L

A 5ABS SPEED SENSORFRONT RH

2 1

5 C 6 C

Y G

A 4ABS SPEED SENSORFRONT LH

1 2

1 B 2 B

A25ABS SPEED SENSORREAR RH

1 2

3 B 4 B

A24ABS SPEED SENSORREAR LH

7. 5AIGN

1C1

1G6

5 IL2

11 B 17 A 6 B

LG−B

R−Y

V

1 IO2 10 IO2 2 IO2 11 IO2

Y BR G Y−G

Y−GGBR

Y

B−O

B−O

LG−B

R−YV

W−B

W−B

W−B

W−B

G−Y

W−B

GR−L

GR−L

RWBP−L

G−B

23 4 15 8 24

4J3

B 4

BR

AK

E WA

RN

ING

SW

C11 C12,

COMBINATION METER

A B

P 3

PA

RK

ING

BR

AKE

SW

ABS

BRA

KE

B B



13 A

MASTER CYLINDERPRESSURE SENSOR

FR+ FR− FL+ FL− RR+ RR− RL+ RL−

SM2− MT VCM PMC E2 FSS PKB LBL GND2 GND1 GND3 GND4 SP1 WA BRL

(Shielded )

12 BB13

R−W

G−W

P N

From A

/T Indicator SW

<12−3>

<13−2>

<13−3>

A A A A A

1

2

19 A

FSW−

8 A

FSW+

21 A

NEO

3 IC3

VV

From Engine

Control M

odule<

2−6><

3−6>

6 IC3 17 IC3

1

2

P−L

PP P−L

B13

BR

AK

E PE

DA

L LOA

DS

ENC

ING

SW

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4

17 HIGHLANDER

FL MAIN3. 0W

BATTERY


I15IGNITION SW

10

WB

6 1C

2

40A AM

1

1A1

AM2

ST2

IG25

W140A A

LT

30A A

M2

1 IC1

L−YL−Y

Pow er Source S RS

7. 5AIGN

IA Left side cowl panel

1C1

1L6

20 B9 B26 B15 B3 B19 B12 B13 B14 B11 B6 B5 B

27 B 1 A 2 A 5 A 6 A 1 C 2 C 6 C 10 A 12 A 7 A 9 A 7 C 9 C 10 C 12 C28 B

PGR

L−Y

LG

GR−L

P−L

LG−B

L−W

Y−R

Y−G

Y−B Y

W

P−BP−B

WW P−B

B−Y

B−Y W

−R

BRB

R

W−R

B−O

Y−BY

W−B

W−B

Y−G

Y−R

Y−R

Y−G

Y−B Y5 C

10 B

1 2 1 2

4A12

1E111E3 1K5

4M1

1L3 1L8 1L2

11 A

S17SIDE AIRBAGSENSOR RH

S16SIDE AIRBAGSENSOR LH

2 3 1 4 3 2 4 1

2 1 2 1 1 2 1 2

P14PRETENSIONERRH

P13PRETENSIONERLH

S19SIDE AIRBAGSQUIB RH

S18SIDE AIRBAGSQUIB LH

1L9 1L10

1D14

W−B

A16 A17,

AIRBAG SENSOR ASSEMBLY

A B C, A18


J 6JU

NC

TION

CO

NN

ECTO

R

7 13A20AIRBAG SQUIB(Steering Wheel Pad)

A19AIRBAG SQUIB(Front Passenger Airbag Assembly)

4 BE1

8 C

R−G

R−G

A 8AIRBAG SENSORFRONT LH

A 9AIRBAG SENSORFRONT RH

6 B

To Buckle S

W R

H<

27−2>

To Buckle SW LH

<27−3>

E

E

2 1 2 1

1

SIL TC

E1 E2 PL− PL+ SFL− SFL+ SFR+ SFR− PR+ PR− SSL+ SSL− VUPL ESL SSR− SSR+ ESR VUPR LBL+

RBE+−SR+SR−SL+SLLATCSILD−D+P−P+IG1IG2

G−Y

From

Com

binationM

eter<30−3>

2 IK1 1 IK1 3 IK1 4 IK1

B−W

BR−W

BR−W

B−W

* 1 : w/ Side Airbag

(*1 )

(*1 )

(*1 )

(*1 )

(*1 )

(*1 )

(*1 )

(*1 )

(*1 )

(*1 )

(*1 )

(*1 )

B23

To Engine Control M

odule<

2−10><

3−10>

GSW2

GR−L

1

ACC

IG1AM1 2

7

1

1C

1L

15ASRS−IG

B−L

B−Y

2

1

ME

MO

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4


2

140A ALT

1

3

1

ACC

IG1AM1

3

2

1A1

40A A

M1

2

1

1C6

A

B

C

D

E

F

G

W

2I1

7. 5AECU−B

2A4

20A D

FR D

OO

R

1K6

25A P FR

DO

OR

1D12

20A D

RR

DO

OR

1H3

20A P

RR

DO

OR

1D8

M

D LMT PLS E U

5 2 6 43


W−B

4L7

4L8

2 IB1

1C7

7. 5AIG1

1D1

101K

I15IGNITION SW

3 IB23 IB1 2 IB2

6 IL2

W

1D3

1G10

3 IN19 IB2 12 IN2 11 IN2 4 IN22 IC3

4I11

H

I

4A3

4I10 4A2

5478620910

211 5 15 13 1

4L10

2 IN1

1

M4 5

3 6

1H6

7 8

Pow er W indowPow er Source

BATTERY

FL MAIN3. 0W


SHORTPIN

B

L−Y

R−W

L−WW

L−W

W−L

W−L

L−W

W−L

W−L

L−W

W−L

W−L

W−L

W

P

B−Y

L−W

R−L

R−L

R−L

BDR CPUB SIG MPX1 MPX2 PWS

DN LMT PLS SGND UP GND

P 5POWER WINDOWMASTER SWWITH ECU

L−R

L−RL−R

L−R

See MultiplexCommunicationBus System<21−4>

G−R

LG

LG−B

G−Y

R

W−B

W−B

P 6POWER WINDOW MOTOR FRONT LH

PCT +B SU SD

DUE

P10POWER WINDOW SW FRONT RH

R−W

R−W

Y−RY−R G

G

L−RL−R

W−B

W−B

R G

P 7POWER WINDOW MOTORFRONT RH

G

L−W

Y−R

R−L

W−L

P

L−Y

L−R

L−R

3

LSWE

14

KUL

4

KL

See Door LockControl System<19−3>

M

5 6 7 8


P ower W indow

1C2

7. 5A R

ADIO

NO

. 2

1J6

12 BB1

E

1 BB1 3 BB1 4 BB1 9 BB1

+B PCT SU SD

M5 4

U D

1 3 6

7 8 4 5

W−B

W−B

R GLG

−B

L−O

L−R

L−WL−Y

L−R

L−B

B−O

12 BC1

E

1 BC1 3 BC1 4 BC1 9 BC1

+B PCT SU SD

M5 4

U D

1 3 6

7 8 4 5

W−B

W−B

R GLG

−B

L−O

L−R

L−WL−W

L−R

L−O

LG−B

BA Left center pillar BB Right center pillar

8 C 9 C 13 C 14 C 20 B 21 B 17 A 5 A 9 D

5 3B

10 3A

6 3C

8 3A7 IO216 IO26 IO212 IO15 IA117 IA116 IA14 IA2

P 9POWER WINDOW MOTORREAR RH

P 8POWER WINDOW MOTORREAR LH

A

B

C

D

E

F

G

H

I

L−Y

P

W−L

R−L

Y−R

G

L−W

L−R

L−R L−B

B−O

L−W

L−R

L−O

LG−B

GR

GR

R−L

W−L

Y−RGL−B

B−O

L−O

LG−B

R−L

P

P11

PO

WE

R W

IND

OW

SW

REA

R LH

P12

PO

WE

R W

IND

OW

SW

REA

R R

H

L−Y

RRD RRU RLD RLU PD PU ACC IG BECU

2 A

GND2

7 D

GND1



13 3F

3 3B

1 4N

11 4H

7 4L

B 9 B10,

BODY ECU

A B B11, C B12, D

W−B

W−B

W−B

W−B

W−B

10 A

MPX2

6 B

MPX1

See M

ultiplexC

omm

unicationB

us System

<21−3>

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4


2

1

3

1

ACC

IG1AM1

3

2

1A1

40A A

M1

1

2

1C6

20A D FR

DO

OR

1K6

2I1

25A DO

OR

LOC

K

2A2

7. 5A EC

U−B

2A4

3 IB1

6 IL2

SHORT PIN

2 IC3

2 IB2

1G10

1D3


1D14

1E4 4M6 4L8

4L10

2 IB1

1C7

7. 5A IG

1

1D1 1K10

3 IB2

910 20

9 D 4 D 17 A 5 A

3A10

3B5

2 16

10 A

5 IF3

1 IB2

BW

W

FL MAIN3. 0W

BATTERY


W−B

W−B

W−B

W−B

L−W

R−L

P

B−Y

1C2

7. 5A R

ADIO

NO

. 2

1J6

3A8

3C6

GR

R−L

8 IK3

R−B

W−L

W−L

R−B

I15IGNITION SW

8

Y

W−L

7

W−L

W−L

R−B

GR

R−L

W

GR

R−L

R−L

L−W

L−W

YY

B

B

1 D

B−W

B

5 IB1 4 IB1

7 IA2

B


B−W

B−W

B−W

2 DL−R

L−RL−R

B−WG

4

P

14

P−L

3

GR−L

4 3 2 1 5 6

D12DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SW ANDDOOR KEY LOCK AND UNLOCK SW FRONT LH

3

6 5

W−B

IN12

W−B

14 IN2 7 IN2

P P−L

7 B

PP

12 B

P−L

P−L

W−BW−B

W−B

D11

DO

OR

LOC

K C

ON

TRO

L SW

4 B

W

1E12

1E3

4M1

4A12

SIL

7

WW


P 5POWER WINDOW MASTER SWWITH ECU

B 9 B10,

BODY ECU

A B B11, C

B

C

D

B−W

B−W

W−B

Pow er Source Door Lock C on trol

W

BDR SIG CPUB MPX1

GND

MPX2

KL KUL LSWE LSW

BECU BDR1 ACC IG MPX2

L UL E LSSR L UL

OBD2 ACT+ ACTD PML PMUL

B−W

B−W

* 2 : 2AZ−FE* 1 : 1MZ−FE

61H

10A DO

ME

12 IK2

4D9

2A3

4H6

AR

V

R

V

See MultiplexCommunication BusSystem<21−4>

6 B

MPX1

See Multiplex

Com

munication B

usSystem

<21−3>

B12, D

140A A

LT

M

5 6 7 8


W ire less D oorLock C on tro l

B 9 B10,

BODY ECU

A B B11, C

D

C

BB−W

B−W

W−B

1 IN2 8 IN2

L−W

13 B

LGLG

LG

L−W

43

D13DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SW ANDDOOR KEY LOCK AND UNLOCK SWFRONT RH

L UL

PKUL

8 B

L−W

PKL

2 IN2

11 B

GR

GR

GR

6

LSSR

LSWP

5 IN1

B−WB−W

1

L

4 IN1

L−BL−B

2

UR

C

CC


L−B

5

E

6 D

L−B

ACT−

A

AA A


B−W

C

CC C


L−B

BA Left center pillar

11 BB1

W−B

L−B

6 BB1 13 BB1

GR

B−WW−B

B−W

31

D14DOOR LOCK MOTORAND DOOR UNLOCKDETECTION SWREAR LH

7 BB1

L−BG

R

4

2

IA212

L−B

BB Right center pillar

13 BC1

W−B

W−B

11 BC1 6 BC1

L−B

B−WB−W

L−B12

D15DOOR LOCK MOTORAND DOOR UNLOCKDETECTION SWREAR RH

7 BC1

GR

GR

4

3

A

AA A G

17 D

G

LSWA

9 BF1 10 BF1 11 BF1


W−B

3 BG2 1 BG2

L−B

B−WB−W

L−B

12

B15BACK DOORLOCK MOTOR ANDDOOR UNLOCKDETECTION SW

8 BG3

GG

4

3

2 B

KSW

GR

L−B

B−W

GR

4H11

4L7

W−B


7 D

W−B

GND1

W−B


L−B

B−W

AJ14JUNCTIONCONNECTOR

17 CL

PRG

16 C

P−L

RDA

AR


A

W−B


R

L P−L

R

W−B

3 2 5

1 W 6WIRELESS DOORLOCK ECU

18 IO2 8 IO29 IO2

D oor Lock Con trol

E

PRG RDA +BSee K

ey Rem

inder andSeat B

elt Warning System

<27−2>

From Turn S

ignal Flasher<

7−3>

19 A

HAZ

G−R

15 C

BZR

L−Y14 IK2

L−Y

2

1

IK23

W−B

W−B

4M3

W 5

WIR

ELES

S DO

OR

LOC

K BU

ZZER

LSSR L UL

E

UL L LSSR

E

ACT− ACT+ S

E

B12, D

13 IA1

G

BC Left side ofrear crossmember

W−B

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4

20 HIGHLANDER

P ow er S ource T he ft D ete rren t S ys tem

7. 5AECU−B

15ASECURITY

2A4 2A5

2I1

1

ACC

IG1AM1 2

40AAM1

1A1

1C6

3 2

1

15AECU−IG

1C7

1K9

3A1

3E5

3J11

3F13


17 IL1

14 IA1

8 IL1

7 IA1

9 BG3 4 BG2

BR−W

Y−B

BR−W

Y−B

BR−W

Y−B

BR−W

Y−B

2 3

5 310S

ee Multiplex

Com

munication

Bus System

<21−4>

A

BELeft side ofback door

1

B14BACK DOORKEY LOCKAND UNLOCKSW

2 3

1 14

7

6 IC2

1 IF1

2 IC3

1G10

1D9

11 IF3 18 IL1

3C8

3B2

1

2

6 IL1

21 IK2

7 IL1

10 IK2

1A


B−YSHORTPIN

1

2

WW

BATTERY


I15IGNITION SW

W−B

R−L

W−B

24 2 4

L

W−L

LL

W−L L

L

W−L

LG

T 5THEFTDETERRENTINDICATORLIGHT

W−B

LG

W−B

B−O

B−O

B−O

G−B

G−B

G−B

W−B

2

1

T 1TH

EFT D

ETE

RR

ENT

HO

RN

E 3EN

GIN

E H

OO

DC

OU

RTE

SY S

W



140A ALT

IG

IOUT MPX1 L2 UL2 DSWH

6

SH +B KSW

SH−E

2511

W−B

W−L

L

R−B

R−B

W−L

W−L

T 4THEFT DETERRENT ECU

FL MAIN3. 0W

To Unlock W

arning SW<

27−2>

5 3D

3F11

12

W−B

W−L

W−L

3K11

LGFrom

Engine C

ontrolM

odule <2−12>

<3−12>

IND

+B1

GND IOUT

W

B

O 4

OPTIO

N C

ON

NE

CTO

R 2

From O

ptionC

onnector 1<

21−3>

From O

ptionC

onnector 1<

21−3>

BR−W Y−B

(*1) (*1)

* 1 : w/o Theft Deterrent System

M

3 421

21 HIGHLANDER

1

ACC

IG1AM1 2

1C6

1A1

140A A

LT

2

1

WB

F 7FU

SIBLE

LINK

BLO

CK

2

I15IGNITION SW

BATTER

Y

W

L

L

8 1H

P ow er S ource M oon R oo f

B−Y

20AS/ROOF

40AAM1

15AECU−IG

7 1C

1E9

2 IE1

left cowl side panel IA

W−B

W−B

L

R−B

R−B

R−B

W−B

W−B

P

G−Y

S21

SLID

ING

RO

OF

CO

NTR

OL SW

8

8 6

9 10 7

4

CLS

MPX1

OPN

IG

E

SLIDEOPEN/TILTDOWN

SLIDECLOSE/TILTUP

L

5

B

1

FL MAIN3. 0W

4 BA1

4 IE1

5 BA1

L

9 BA1 10 BA1

P G−Y

8 IE1

6 BA1

W−B

W−B

4D5

4M6 4N1

1E4

1D14

W−B


W−B

W−B

2 BA1

6 IE1

L−WL−W

L−WL−W

L−W

2

S20SLIDING ROOFCONTROL ECU

18 A

12 A

MPX1

MPX2

ENG

INE C

ON

TRO

L MO

DU

LE

AE 5

6 B

10 A

Y

MPX2

MPX1BO

DY

EC

U

BA

B 9B

10,

9 B

21 A

L−W

MPX−

MPX+

CO

MB

INA

TION

METER

BA

C11

C12

,

9 A

2 B

YY−R

MPX+

MPX−

A/C

CO

NTR

OL

AS

SEM

BLY

BA

A10A11

, 11 A (1MZ−FE)

19 A (2AZ−FE)

5 IF3

1 IB2

8

7

MPX2

MPX1

P 5

PO

WE

R W

IND

OW

MA

STERS

W W

ITH E

CU

3 IF3

8 IB2

4A5

4F74O4

10

MPX1

T 4TH

EFT D

ETE

RR

ENT E

CU

22 IL1

YYY Y−R

Y−R

Y−R

Y−R

Y−R

L−WY

(1MZ−FE)

(2AZ−FE)

M ultiplex C ommun ica tion Bus

IF312

* 2 : w/o Theft Deterrent System

(*1 )(*1 )

* 1 : w/ Theft Deterrent System

To Back Door K

eyLock and U

nlock SW

<20−3>

<20−4>

O 3

OP

TION

CO

NN

EC

TOR

1 1 2

3

Y−R(*2)

Y−B

BR−W

(*2 )

(*2 )

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

3 421

22 HIGHLANDER

1D13

30APOWER

1 1A

140A A

LT

1

2

20 IA1

4 BD1

A

A

L−O

FRO

NT

RE

AR

UP

DO

WN

FRO

NT

RE

AR

UP

DO

WN

1

2

M

P21

PO

WE

R S

EAT M

OTO

R(S

lide Control )

L−BL

L

9 6

1

1

2

M

P17

PO

WE

R S

EAT M

OTO

R(Front V

ertical Control )

L−R

L−Y

L−Y

10 5

2

1

M

P20

PO

WE

R S

EAT M

OTO

R(R

eclining Control )

Y−B

Y−R

Y−R

3 2

2

1

M

P19

PO

WE

R S

EAT M

OTO

R(R

ear Vertical C

ontrol )

YY−G

Y−G

7 8

B

B

3 BD1

Left center pillarBA

FRO

NT

RE

AR

B

4

3

4

1 2

A

2

1

M

P18

PO

WE

R S

EAT M

OTO

R(Lum

bar Support C

ontrol )

L−W

L−B

L−B

REARVERTICALRECLINING

FRONTVERTICALSLIDE

J15JU

NC

TION

CO

NN

EC

TOR

J15JU

NC

TION

CO

NN

ECTO

R

P ower S eatP ower S ource

P15POWER SEAT CONTROL SW(Driver’ s Seat Control)

P16POWER SEAT CONTROL SW(Lumbar Support Control)

2

1

L−O

BW

L−O

L−OL−O

L−O

W−B

W−B

W−B

W−B

BATTERY


FL MAIN3. 0W

M

1 2 3 4

23 HIGHLANDER

1

ACC

IG1AM1 2

140AALT

1 2I

20A TO

WIN

G

1C7

B−Y

1C6

3

40A AM

1

2F1

7. 5A IG

1

W

BWW

2

1

I15IGNITION SW


BATTERY

FL MAIN3. 0W

2

1

5 1H

R−L

8 1F

15A SEAT H

TR

1A1

2

1

3

5

1 1

1 1

4L9

4L7

IC Right cowl side panel BD Right side ofrear cross member

3 BE1

1

2

1 BE1

7 IP1

3 IF1

3K6 3K7 7 IL2

5 IA2

1 BD1

1

2

BA Left centerpillar

3F13


B

4 6 6 4

B

A

P ow er S ource S ea t H ea te r Tra ile r T ow ing

3 3

2 IC2

8 IA1


From Turn S

ignalF

lasher<7−2>

B

B

5 2 6 1

8 10 4 3 9

3 1 2 4

W−B

G−B

G−B

G−B

P

G−R

P

W−B

W−B W−R

W−B

G−W

G−W

G−W

W−B

W−B

PP

PG−B

W−B

W−B

W−B

W−B

W−B

W−B

R

R−W

R−B

G−WGG−B

G−Y

G−R

G−R

G−R

G−B

G−B

From ”

TAIL” Fuse

<6−3>

From S

top Light SW<

8−3>

+B RT LT TAIL STP

GND LT/S RT/S TL

GND LT/S RT/S TL

B

J12JU

NC

TION

CO

NN

ECTO

RT 9TR

AILE

RC

ON

VER

TER

S 4SEAT HEATER SWRH

S 3SEAT HEATER SWLH

S25SE

AT H

EATE

RLH

S26

SEA

T HE

ATERR

H



T10TRAILER HITCH

4 BF1

G−Y

RH E

IG IG

E LH

SEA

T HEA

TER

RE

LAY

3 BD1

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

3 421

24 HIGHLANDER

6 1C

40AAM1

1A1

140A ALT

1C7

25AWIPER

1B2 1E5 1B3

20AWASHER

Left cowl side panelIA

1D14

1B8

M

OFF

HIGH

LOW

INT

WASHER

+B B1 IN1 IN2 WF EW+2

8 177 16

+S+1

11

INT TIME

2

WIPER RELAY

IK33

F ron t W ipe r and W asherP ow er S ource

B−Y

L−W

B

WB

W

W−B

W−B

W−B

L−OL−W

B

I15IGNITION SW

F 6FRONT WIPER MOTOR


1

2

5

2 3 1 4

BATTERY

C14FRONT WIPER AND WASHER SW[COMB. SW]

1

2

R ear W iper and W asher

FL MAIN3. 0W

1E6

15ARR WIP

IC29

IC211

IC210

W

LG

R

W

LG

R

41E

W−B5

4C6

4MW−B

M

1

2

3W 2WASHERMOTOR

L−B

9 IA2

6 BG2

1

10 BG3 5 BG3

19 IA1 18 IA1

INT

ON

WASH2

132

12

10

WASH1

OFF

2 IK3

L−B

L−O


4C5

4M6

1E4

1D14

W−B

W−B

W−B

3 2

R18REAR WIPERMOTOR

P R−B

P R−B

P R−B

R−B P

LL

L

C14REAR WIPERAND WASHER[COMB. SW]

1

ACC

IG1AM1 2

L

M

3 421

25 HIGHLANDER

1C6

40AAM1

1 1A

140A ALT

1

1C7

15AECU−IG

1K9

Right instrument panel brace IB

3F13

3D9

20 IF3

3

4

IC

4

Right cowl side panel

IF38 From Stop

Light SW<8−2>

1C2

7. 5ARADIONO. 2

1J6

3A8

3E9

3K5

GR

OPE

RA

TION

SWS

ELE

CT

SW

2 IF2 7 IF2

6 IB2 5 IB2 13 IB2

6 IN2 5 IN2 13 IN2

1 IF2

M M M M

3E11

3F13


P ow er S ource Sh ift Lock R emote Control M irro r

6 5 4 6 5

8

15

3 4 2

5 2 4 3 6 7

P

B−Y

P

GR

G−W G−W

W−B

W−B

R

G−R

WB

W

R−B

GR

W−B

L−O

W−B

L−O

W−B

L

GR−L

L

G−R

R−B

R

GR−L

W−B

R−B

L

G−R

R−B

R

GR−L

R−B

W−B

GR

W

I15IGNITION SW

R19REMOTE CONTROL MIRROR LH

R20REMOTE CONTROL MIRROR RH

R 5REMOTE CONTROL MIRROR SW

S 5SHIFT LOCKECU

K 4

KEY

INTE

RLO

CK

SO

LENO

ID

SH

IFT LOC

KC

ON

TRO

L SW

SHIFT LO

CK

SOLE

NO

ID

1

2

BATTERY

HL VLHR VR

RIG

HT

LEFT

UP

DO

WN

UP

/LE

FT

DO

WN

/R

IGH

T

STPKLS+E

IG ACC

SLS+

SLS−

P2

P1

P

R−B

R−B

2


FL MAIN3. 0W

3A1

3K4

R−B

4G8

4L7

8 IF2 3 IF2

4I7

4K76

4K

R−B

1

ACC

IG1AM1

3

2

M+ E

B

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4

26 HIGHLANDER

P ower S ource M irro r H ea ter and Fron t De ice r

1

ACC

IG1AM1 2

40AAM1

20AFR DEF

1C61F3

1A1

7. 5AIG1

15AHEATER

1C7

1K101F2 1G8

F 7FUSIBLELINKBLOCK

2

1

3

5

11

1 1

4F3

4K3


1D14

1B9

6 IK3

GG

W−B

W−B

2

13

4K44L12

1 IB11 IN1

8

7

8

7

2 IB12 IN1

4L84L10

4N14L7

IC Right cowl side panel Right instrumentpanel brace

IB

3F13

3J5

W−B

W−B

3

54

1 IF3

I15IGNITION SW

5 2

1

BATTERY

FL MAIN3. 0W

D IG

E

W−B

W−B

G G

GG

GR−L

G G

W−B

W−B

W−B

W−B

R20

MIR

RO

R H

EATE

R R

H[R

EMO

TE C

ON

TRO

L M

IRR

OR

RH

]

R19

MIR

RO

R H

EA

TER

LH[R

EM

OTE

CO

NTR

OL

MIR

RO

R LH

]

F 5FR

ON

T WIPE

RD

EIC

ER

F 9FR

ON

T WIP

ER

DE

ICE

RAN

D M

IRR

OR

HEA

TER

SW

DEICERRELAY

R−L

G W

G B

G

B−Y

GR−L

R−L

3A10

3D2

R−L

A

A

7 IK3

3

5

2

1

4

2H2 2A8

42F

A


2C1 2C3

13 IC2 20 IK2

16 IL1

18

3 IA2

2 BG1

1 A

1 B

A



B−R

B−R

B−R

B

GR−L

B

GR−L

B GR−L

RRDEFRELAY

A10REAR WINDOW DEFOGGER SW[A/C AMPLIFIER]

BBB

1

N 2

NO

ISE FILTER

(Rear W

indow D

efogger )

R17 R16,

REAR WINDOWDEFOGGER

A B

W−B

W−B



B−R

G

W−B

R ear W indow D efogger

30ARR DEF

140AALT

B−Y

W

RDFG

1

2

G

B−R

G

M

1 2 3 4

27 HIGHLANDER

P ow er S ource K ey Reminder and S eat Be lt W arning

1C6

1A1

140A ALT

2

B

I15IGNITION SW

40A A

M1

1

W

W

W

FL MAIN3. 0W

3

7. 5A E

CU−B

SH

OR

T PIN

2I1


PB−Y

1

ACC

IG1AM1

3

2

2A4

2 IC3

W−L

1G10

1H6

W−L

1C7

7. 5A IG

1

10 1K

3A10

3B5

R−L

1C2

7. 5A R

AD

IO N

O. 2

6 1J

3A8

3C6

GR

W−L

R−L

GR

9 D 5 A 17 A

3 C

BECU IG ACC

HRLY

2 B

KSW

D

D

1

2

VL

W−B

4G9

4L7W−B

4N1

IC Right cowlside panel

W−B

4 C

PBKL

G−R

K 4

UN

LOC

K W

ARN

ING

SW

15 IO2

2 BE1

G−R

G−R

3

1S24SE

AT B

ELTW

ARN

ING

OC

CU

PA

NT

DE

TEC

TION

SE

NS

OR

4

1

B17

BU

CKLE

SW

RH

R−G

W−B

3 BE1


AJ11JUNCTIONCONNECTOR

W−R

5 C

DBKL

G−Y

12 IA1

G−Y

A

A

J 9JU

NC

TION

CO

NN

EC

TOR

2 BD1

G−Y

G−W

4

1

B16

BU

CK

LES

W LH

W−B

BA Left center pillar

B

B

J15JU

NC

TION

CO

NN

EC

TORW−B

3 BD1

W−B

6 B 10 A

MPX1 MPX2

5 IF3

Y

1 IB2

Y

8

7

Y

P 5PO

WER

WIN

DO

WM

AS

TER

SW

WITH

ECU

8 IB2

Y−R

4F7

4A5

Y−R

19A

12A

11A

18A

(*1)(*2)

E 5 A

ENGINE CONTROLMODULE

BUZZE

R

9 B 1 A 12 A

12 IF3L−W

3A4

3C7

3F9

3D3

B−R V

11 IL1

V

4D11

VV

15A HE

ATER

13 1K

B−R

C11 C12,

COMBINATIONMETER

A B

21 A 11 A

2 B

9 A

Y

3 IF3

Y−R


3B12

3K2

BRB

R

J 6JU

NC

TION

CO

NN

EC

TOR

Y

Y L−W

Y−R

10A D

OM

E

2A3

V

4H6

12 IK2

V

B−R

P

B−Y

B 9 B10,

BODY ECU

A B B11, C

* 1 : 2AZ−FE* 2 : 1MZ−FE

A

D

From Theft D

eterrentE

CU

<20−3>

From A

irbag Sensor

Assem

bly<17−4>

From A

irbag Sensor

Assem

bly<17−4>

G−Y

R−G

L

L igh t A u toTurn O ff

See H

eadlightS

ystem<

4−3><

5−3>

11 C

DCTY

See Interior

Light System<

9−6>

See H

eadlightS

ystem<

4−4><

5−4>

HEAD

B17

TAIL

B18

TRLY

A7

See TaillightSystem

<6−1>

D

From E

ngineC

ontrol Module

<2−12>

<3−12>

L

MP

X2

MP

X1

MPX1

MPX2

MPX−

MPX+

PAS

SEN

GE

R SE

AT

BELT W

AR

NIN

G[A

/C C

ON

TRO

L AS

SEM

BLY]

BA

A10

A11

,

SEATBELT

B12, D

1

2

MPX+

MPX−

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

3 421

28 HIGHLANDER

1

ACC

IG1AM1

3

R13

REA

R P

OW

ER

OU

TLET

1C6

1 1A

1

BA

TTER

Y

15APW

R O

UTLE

T 2

1

3

5

1H7 1D14

1C2

15A C

IG

40A A

M1

IB

3F13

3A6

140A A

LT

BC IA

B

B

1

1 1

1

2

2 2

2

P

GR

WB

W P

GR

GR

W−B

W−B

W−B

W−B

PW−B

W−B

W

ACCRELAY

F 8FR

ON

T PO

WE

R O

UTLET

P ower S ource C iga re tte L igh terand P ow er O utlet

Radio and P laye r (6 S peaker)

2

1F1

1D4

1J1

2 IA2

GR

FL MAIN3. 0W

3 B 4 B

2 B

2 IF1

7 IB1

1

1 2

2I

PP

P

25AR

AD

IO N

O. 1

6 B

4 IF1

6 IB1

VV

V

9

A3

RR

R

21

BC15

IP15

A1

3A13

2 A

4 IP1

GR

GR

7 BF1

5 BB1

1 2

BB

BR

6 A

12 IP1

2 BF1

10 BB1

YY

YW

R 9REAR DOORSPEAKER LH

F11FRONT DOORSPEAKER RH

L

3

LL

BR

B7

IN16

IL23

B5

LGLG

LG

21

F10FRONT DOORSPEAKER LH

IN17

2C4

IL21

B1

13 IP1

7. 5AR

ADIO

NO

. 2

3I

10 BC1

WW

W

1K3

R10REAR DOORSPEAKER RH

R 2 R 3,

RADIO AND PLAYER

A B

4 IK3

2 IL2

L−YL−Y

L−Y

L−YW

SH

OR

T PIN

ACC B

GND FL+ FL− FR+ FR− RL+ RL− RR+ RR−

I15IGNITION SW

1K4

3G4 J12JU

NC

TION

CO

NN

EC

TOR

C 9

CIG

ARE

TTELIG

HTER

Right instrumentpanel brace

Left side ofrear cross member

Left cowlside panel

W−B

F 7FU

SIBLE LIN

KBLO

CK

GR

P V LLG

1 2

3 4T11TWEETERLH

1 2

3 4T12TWEETERRH

L−Y

M

1 2 3 4

29 HIGHLANDER

1

ACC

IG1AM1

3

2 B

2 IF1

7 IB1

1 2

PP

P

9 B

4 IF1

6 IB1

VV

V

F10FRONT DOORSPEAKER LH

1 B

1 IL2

7 IN1

1 2

LGLG

LG

8 B

3 IL2

6 IN1

LL

L

F11FRONT DOORSPEAKER RH

R 9REAR DOORSPEAKER LH

WY

Y

BB110

BF12

B11

RB

B

BB15

BF17

B4 3 B

5 BC1

RR

10 B

10 BC1

WW

R10REAR DOORSPEAKER RH

BDRight side ofrear cross member

12 B

S22 S23,

STEREO POWER AMPLIFIER

A B

7. 5AR

ADIO

NO

. 2

1K3

1C2

1C6

40A A

M1

1A1

2C4

25AR

ADIO

NO

. 1

2I1

W

L−Y

BWW

3 2

140AALT

SHO

RT P

IN

1

I15IGNITION SW


BATTERY

FL MAIN3. 0W

R ad io and P layer (8 S peaker)P ow er S ource

3 4

1 2

P V

T11TWEETERLH

9 IP1 8 IP1

P V

11 IP1 IP110

LG L

FL+ FL− FR+ FR− RL+ RL− RR+ RR−E

3 4

1 2

LG L

T12TWEETERRH

BBRight centerpillar

W−B

A

4 A

L

10 IP2

L

BEEP

BEEP

BR

A12

4 IP2

BR

MUTE

MUTE

Y

A11

9 IP2

Y

SGND

SGNDG

A14

3 IP2

G

R. R

R. R

R

A13

2 IP2

R

R. L

R. L

W

A6

8 IP2

W

F. R

F. R

B

A5

1 IP2

B

F. L

F. L

G−Y

A1

5 IP2

G−Y

AMP

AMP+

10177161819893

SGD3

11 IP2

(Shielded )

(Shielded )

4 IK3

2 IL2

L−Y

3K103C4

3C5

L−Y

L−Y

1H1

3I9

3A13

4E2

4E3 4D813 IO1

6 IA1

2 A

GR

ACC

GR

GR

GR

GR

GR

GR

ACC

11

1

13

B−R

ANT

1

A21ANTENNAAMPLIFIER(Front)

A26ANTENNA AMPLIFIER(Rear)

R 4RADIO ANDPLAYER

L−Y

L−Y

B

1

7 B

+B

3 IP1

L−Y

IBRight instrumentpanel brace

BR

GND

20

BR

1

2

P

1 2 1 2

AW−B

J11JU

NC

TION

CO

NN

ECTO

R

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4


7V 5V

AIR

BAG

7 A 1 A 2 A 12 A

13 B5 A1 B 6 B11 A

C ombination M ete rP ow er S ource

1

5

ACC

IG1

IG2

ST2

AM1 2

6AM2

1A1

1C6

1

2

W

FL MAIN3. 0W

BATTERY


10

W

2

140A ALT

30A A

M2

1

1 IC1

2I1

3

15A H

EATE

R

1C7

1K13

3B12

3K2

IB Right instrument panel brace

BR

BR

To Engine C

ontrol Module

<2−18>

<3−18>

To Airbag S

ensor Assem

bly<

17−3>

See VS

C System

<15−5>

See AB

S System

<16−8>

3C7

3A4

See Illumination System<10−3>

2 IC3

1G10

1K1

10ADOME

2A4 2A3

3F9

3D3

11 IL1

4H6

4D11

12 IK2I15IGNITION SW

B

L−Y

W

SHORTPIN 7. 5A

ECU−B

W−L

7. 5AIGN

1C1

1G6

A

V

L−Y

B−Y

B

B−O

W−L

B−R

V

V

V

V

W−L

B−R

W−L

V

B−R

B−O

C11 C12,

COMBINATION METER

A B

40AAM1

W−G

B−Y

3J9

1 3B 2 3E

W−R

W−R

W−R

To Engine C

ontrolM

odule<2−18>

<3−19>

To Cruise C

ontrolEC

U<

14−3>

RHEOSTAT

SPE

ED

OM

ETER

TAC

HO

ME

TER

LCD

FUE

L

WA

TER

TEM

P.

B−R

W−L

V

B−O

M

5 6 7 8


BU

ZZER

DO

OR

FR FO

G

SEA

T BE

LT

OIL P

RES

SU

RE

A/T O

IL TEM

P

P R N D 2 L

FUEL

ECT S

NO

W

CH

ARG

E

OIL LE

VEL

AIR

BAG

TAIL

WAS

HER

LEVE

L

CR

UIS

E

MA

LFUN

CTIO

NIN

DIC

ATOR

LAM

P

O/D

OFF

BRAK

E

ABS

VSC

A22

SLIP

A9

TRA

C O

FF (*1 )

B12 5 B B4 B10 B11 17 A 7 B B8 B2

A13

6 IP1

1 BF1

BF16

1 IP1

3K2

3B6 3E10


3F13

Y−GY−G

Y−G

BR

BR

2

3

2

1

F13FU

EL S

EN

DER

(SU

B )

Y−B Y−B

BR

W−B

W−B

B−OA

10 IF3

6 IK2


A

2

1W 1

WAS

HER

LEVE

RS

W


Y−BY−B

Y−B

Y−B

W−B

B−OB−O

To Cruise C

ontrolEC

U<

14−3>

To Engine C

ontrolM

odule<2−14>

<3−14>

See E

lectrical Controlled

Transmission and A

/T IndicatorS

ystem<

12−6><

13−6>

See A

BS S

ystem<

16−8>S

ee VS

C S

ystem<

15−6>

See VSC

System

<15−6>

Comb ina tion M e te r

C11 C12,

COMBINATION METER

A B

F12FU

EL SEN

DE

R[FU

EL PU

MP

AN

D SE

ND

ER

]

10 IL1

R−L

L−RL−R

5 IL2

* 1 : 2WD

EB Right frontfender apron

A AW−B J 4JUNCTIONCONNECTOR

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

9 10 11 12


B16 14 A 15 A 21 A B9

19 A

TUR

N R

H

TUR

N LH

BEA

M

See Turn S

ignal andH

azard Warning S

ystem<

7−2>See H

eadlight System

<4−3>

<5−2>

See H

eadlight System

<4−3>

<5−2>

C11 C12,

COMBINATION METER

A B

Combina tion M ete r * 2 : w/ Theft Deterrent System

L−W

12 IF3

Y

B2

A9

Y

MPX−

MPX+

L−W

MPX2

MPX1

18 A (1MZ−FE)

19 A (2AZ−FE)

12 A

11 A

L−WY

MPX1

A10

B6

MPX2

3 IF3

Y−R

Y−R

Y

5 IF3

Y

1 IB2

4A5

4F7

8 IB2

Y−RY−R

7

MPX1

8

MPX2

A10 A11,

A/C CONTROLASSEMBLY

A BE 5

ENGINE CONTROLMODULE

A

(1MZ−FE)

(2AZ−FE)

B 9 B10,

BODY ECU

A B

P 5POWER WINDOWMASTER SWWITH ECU

Y

Y

* 3 : w/ Moon Roof

Y

ME

MO

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

3 421

31 HIGHLANDER

1C6

40AAM1

1A1

4 2

140A A

LT

30A C

DS

30A R

DI

1

2

5

3

2 2

22

1

2

M

2

1

5

3

4

2 2

2 22

2G3 8 2G 2B3

2E2

2

3


2

1

5

3

2 2

2 2

1

2

M

1G8

1C7

1

4 2E

2G62G7

2A8


A

A

1

2

B−Y

B−Y

B−R

R−Y

B−Y

R−L

W−B

W−B

GR

L−Y

Y W BW

GRW GR Y

B−R

Y−R

L−R

W−B

W−B

R−Y

G−B

W−B

W−B

B−R

B−R

B−YB−Y

FAN NO. 3RELAY

FANNO. 1RELAY


FANNO. 2RELAY


R 1

RA

DIATO

RFA

N M

OTO

R

A 3

A/C

SIN

GLE

PR

ESS

UR

E SW

[A/C TR

IPLE PR

ESS

UR

E SW

]

C 5

CO

ND

EN

SE

RFA

N M

OTO

R

I15IGNITION SW

BATTE

RY

W

P ow er S ource R ad ia tor Fan and Condenser Fan (1M Z−FE )


6

15A HE

ATER

R−Y

FL MAIN3. 0W

9 IK2


W−B

A

AJ 5JUNCTIONCONNECTOR7 IK3

B−R

GR

17 IK2

Y−R

L−Y

To Engine C

ontrolM

odule<2−10>

W−B

1

2

W−B

W 3

WA

TER

TEM

P. S

W N

O. 1

W−B

3 IM1

1

2

1

Y−R

To MG

CLT R

elay<

33−8><

34−8>

W 4WATERTEMP. SW NO. 2

Y−R

Y−G

D 2DIODECOOLINGFAN

1

ACC

IG1AM1 2

R−L

L−Y

B−Y

Y

M

3 421

32 HIGHLANDER

1C6

40AAM1

1A1

4 2

140A A

LT

30A C

DS

30A R

DI

1

2

5

3

2 2

22

1

2

M

2

1

5

3

4

2 2

2 22

2G3 8 2G 2B3

2E4

2

3


2

1

5

3

2 2

2 2

1

2

M

1G8

1C7

1

2 2E

2G62G7

2A8


A

1

2

B−Y

B−Y

B−R

R−Y

B−Y

R−Y

GR

L−Y

Y W BW

GRW GR Y

B−R

R−L

L−R

W−B

W−B

G−B

G−B

W−B

B−R

B−R

B−YB−Y

FAN NO. 3RELAY

FANNO. 1RELAY

FANNO. 2RELAY


R 1

RA

DIATO

RFA

N M

OTO

R

A 3

A/C

SIN

GLE

PR

ESS

UR

E SW

[A/C TR

IPLE PR

ESS

UR

E SW

]

C 5

CO

ND

EN

SE

RFA

N M

OTO

R

I15IGNITION SW

BATTE

RY

W

P ow er S ource R ad ia tor Fan and Condenser Fan (2A Z−FE )


6

15A HE

ATER

R−Y

FL MAIN3. 0W

17 IK2


W−B

A

AJ 5JUNCTIONCONNECTOR7 IK3

B−R

GR

9 IK3 2 IK2

R−L

L−Y

R−Y

G−B

1

ACC

IG1AM1 2

To Engine Control M

odule<

3−13>

R−Y

To Engine Control Module<3−13>

W−B

W−B

B−Y

Y

L−Y

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4


P ow er S ource A ir C onditioning (A u tomatic A /C )

7

F 7FUSIBLELINKBLOCK

3

1

B

W

50AHEATER

140AALT

2I1

40A A

M1

7. 5AE

CU−B

1

ACC

IG1AM1

3

2

1C6

1A1

2A4

15A HE

ATER

7 1C

1K13 1G8

7. 5A R

AD

IO N

O. 2

2 1C

1K3

2

1

5

3

4

3 IC1A

A

5 IL1

4H7

4L7


1 IH1

3 IH1


M2 1

2 IH1

17 A

3A4

3J7

1G10

1K2

3A13

3I11

2 IC3

7 A 2 A 12 A 13 A 4 B

2

1

16 B15 B 3 B

1 IJ1 2 IJ1 3 IJ1 4 IJ1 5 IJ1 6 IJ1

1

2

M

14 B 13 B 12 B 11 B 10 B 5 B

B 7BLOWER MOTOR CONTROL

A12

A/C

SOLA

RS

ENS

OR

R 6

RO

OM

TEMP

. SE

NS

OR

E10EV

APO

RA

TOR

TEM

P. SEN

SOR

SHORTPIN

A14AIR MIX CONTROLSERVO MOTOR

H 9

HE

ATE

RR

ELA

Y

3

25 4 2 1 3

4

1

2

BW

W−B

W−B

BB

R

W−B

Y−G Y

Y−G Y L−R

GR−L

B−O

G−Y

G−Y

LG−R

LG−R

P−L

O

GR L

G−R

Y−B

G−W

GR

GR

W−L

B−R

R−B

R−B

B−R

BB−L

W B−Y

P

W−L

W−B

L−W

LG−R

B−R

W−L

B

B−R

B−R

L−WP−L

W−BB

LG−R

BLW AMH AMC SG−1 S5−1 TP TE

HR IG+ +B ACC S5−3 TS SG−3 TR

I15IGNITION SW

W

FL MAIN3. 0W

BATTERY

B−R

A

B−R

A


W−L P

B−L

A10 A11,

A/C CONTROLASSEMBLY

A B

B−R

2

1

B 6BLOWER MOTOR

1

2

VM

SI

GND+B

2 IL1

M

5 6 7 8


A ir C onditioning (A utomatic A /C )

2

1

3

5

18 IK2

4F7

4A5

8 IB2

6 B2 B

15 IL1 4 IL1 13 IL1 3 IL1 14 IL1

12 IL1

M

8 B 7 B 1 B 9 B 6 B

19 A

A15AIR VENT MODE CONTROL SERVO MOTOR

MG

CLT

RELA

Y

5 4 1 2 3

P−L

LG−B

P−L

LG−B

P

W−L

LG

G−Y

G−Y

P

W−L

LG

Y−R

Y−G

Y−G

Y−G

Y−R

AOF AOD SG S5 TPO

SG−5 ACMGMPX+

A

A10 A11,

A/C CONTROL ASSEMBLY

A B

B−R

4 A 6 A 5 A

19 IK28 IK2

1 IL1

20 A

B−R

Y−G

BR−W

R

11 A

IBRight instrument panel brace

1 IB2

5 IF3

11 A

7 8

MPX2MPX1


Y−R YY

YY

3J6

3F13

9 A

2C2 2E3

2 EB2

12 IF3 1 IK2

2

1 3



18 A 2 B 10 C

A

A

21 A 9 B

L−W GGL−W

W−B

W−B

W−B

BR

BR

W−L

Y−G

2A8

7 IK3

E 5 E 6,


A B

C11 C12,

COMBINATION METER

A B

A13AIR INLET CONTROLSERVO MOTOR

A 3A/C DUALPRESSURE SW[A/C TRIPLE PRESSURE SW]



A 2A/C MAGNETIC CLUTCHAND LOCK SENSOR

MR/F AIF TAM MPX+

MPX− MPX2 LCK1

B−R

G−Y

B−R

5 2 1

AIR

2

1

B−R

B−R

C, E 7

PRE

1

4

MPX− MPX+

Y

GNDA

1A

/C A

MB

IEN

TTEM

P. S

EN

SO

R

A

Y−GFrom FAN NO. 3Relay<31−2>

IF33

Y−R

MPX1

MPX2

A10

B6

+B

16

ILL+

12

ILL+

13

ILL−

1

ILL−

2

ACC

15

IG

14

BLK

6

STX

7

CLK

8

DPD

9

SWD

10B

A

BOD

Y E

CU , B

10B 9

HAZ

18

GND

3

SG

4

CONTROL PANEL

M O

VE

RA

LL

EL

EC

TR

ICA

L W

IRIN

G D

IAG

RA

M

1 2 3 4


P ow er S ource A ir C onditioning (M anual A /C )

7

F 7FUSIBLELINKBLOCK

3

1

B

W

50AHEATER

140AALT

2I1

40A A

M1

7. 5AE

CU−B

1

ACC

IG1AM1

3

2

1C6

1A1

2A4

15A HE

ATER

7 1C

1K13 1G8

7. 5A R

AD

IO N

O. 2

2 1C

1K3

2

1

5

3

4

3 IC1A

A

4H7

4L7

IC Right cowlside panel


1 II1

3A4

3J7

1G10

1K2

3A13

3I11

2 IC3

7 A 2 A 12 A 13 A

1 IJ1 2 IJ1 5 IJ1 4 IJ1 3 IJ1 6 IJ1

1

2

M

14 B 13 B 10 B 11 B 12 B 5 B

E10EV

APO

RA

TOR

TEM

P. SEN

SOR

SHORTPIN

A14AIR MIX CONTROLSERVO MOTOR

H 9

HE

ATERR

ELA

Y

5 4 3 1 2

2

BW

W−B

W−B

W−B

Y−G Y

Y−G Y

B−O

GR−L

L−R

G−Y

G−YO P−L

LG−R

GR

GR

GR

W−L

B−R

R−B

R−B

B−R

BB−L

W B−Y

P

W−L

W−B

LG−R

B−R

W−L

B

B−R

B−R

LG−R

AMH AMC TP S5−1 SG−1 TE

HR IG +B ACC

I15IGNITION SW

W

FL MAIN3. 0W

BATTERY

B−R

A

B−R

A


W−L P

B−L

A10 A11,


A B

B−R

1 IG1

1

2

M

4 II1 5 II1 2 IG12 II1

8

B−YB

B

B R−B

GR

W−B

BR−W

B−R

B−W

R−BB−L

11 A

3J6

3F133J10

6 II1


W−B

W−B

4 W−B

W−B

GND

LO

HI M2 M1 E

4 5 6 1

B 8BLOWER RESISTOR

B 6

BLO

WER

MO

TOR

1

3 2

LG−R

AIR

1

AIFMR/F

A13AIR INLET CONTROL SERVO MOTOR

A

R

BR−W

Y−G

5 2

A4 5A6

B 5BLOWER CONTROL SW

1

2

2 IL2

M

5 6 7 8


A ir C onditioning (M anua l A /C )

2

1

3

5

18 IK2

4F7

4A5

8 IB2

6 B2 B

15 IL1 4 IL1 13 IL1 3 IL1 14 IL1

M

8 B 7 B 1 B 9 B 6 B

A15AIR VENT MODE CONTROL SERVO MOTOR

MG

CLT

RELA

Y

5 4 1 2 3

P−L

LG−B

P−L

LG−B

P

W−L

LG

P

W−L

LG

Y−R

Y−G

Y−G

Y−G

Y−R

AOF AOD SG S5 TPO

ACMGMPX+

A

A10 A11,


A B

B−R

6 B

10 A

11 A

7

MPX2

MPX1


Y−R

Y

2C2 2E3

2 EB2

1 IK2

2

1 3

EE Intake side ofcylinder block

EB Right frontfender apron

3 B 17 C

A

A

GG

W−B

BR

BR

W−L

Y−G

2A8

7 IK3

A 3A/C DUALPRESSURE SW[A/C TRIPLE PRESSURE SW]



A 2A/C MAGNETIC CLUTCHAND LOCK SENSOR

MPX1

LCK1

B 9 B10,

BODY ECU

A B

B−R

B−R

PRE

1

4

MPX−

MPX+

B9

A21

IB21

IF35

Y

Y

8

18 A9 A

12 IF3

Y

L−W

L−W

MPX− MPX2

19 A 12 A 7 A

E 5 E 6,


A B E 7, C

2 B 10 C

ED Rear side ofsurge tank

BR(*1)

(*2 )

(*1)

(*2)

(*2)

(*1)

* 2 : 2AZ−FE* 1 : 1MZ−FE

3 IF3

Y−R

A

Y−GFrom FAN NO. 3Relay<31−2>

MPX1 MPX2

(*1)

C11

C12

,

CO

MB

INATIO

N M

ETER

AB

Y

IG

14

+B

16

ILL+

12

ILL+

13

ILL−

1

ILL−

2

ACC

15

5V

11

TEST

5

SG

4

BLK

6

STX

7

CLK

8

DPD

9

SWD

10

CONTROL PANEL

HAZ

18

GND

3

Documents

1 HIGHLANDER ELECTRICAL WIRING DIAGRAM€¦ · 1 highlander electrical wiring diagram 1 acc ig1 ig2 st2 am1 p 1 park/neutral position sw 2 from engine control module