lexus_gs300_gs430_service_manual 1

AUTO ANTENNAFROM POWER SOURCE SYSTEM (SEE PAGE 134)

15A RADIO NO. 2

15A ECUIG

10A DOME

R4 RADIO AND PLAYER

10 1H

2 1E 5 2E 12 2H ANTB ANTA 4 ANT 5 3

GR

WR

J13 A , J38 B JUNCTION CONNECTOR

D A (LHD) A B (RHD)

(RHD)

(LHD)

4 IJ2 2 ID3

14 IJ2 12 ID3

13 IJ2 (LHD) 11 ID3 (RHD)

BR

LY

D A (LHD) A B (RHD) GR

LY

WR

(RHD)

(LHD)

GR

GR (RHD)

B B

B B 13 IM3 12 IL1 12 IM1 13 IL1 13 IM1 4 IL1 (LHD) 4 IM1 (RHD)

(RHD)

WR

GR

8

6

3

1

2

BW

WL

LY

3 IL1 (LHD) 3 IM1 (RHD)

J38 B JUNCTION CONNECTOR

BW

WL

BW

WL

5

7 3+B

WB

6IG

14ACC

12ANTB

13ANTA

11ANT+B

4GND

AUTO ANTENNA CONTROL RELAY

UP2 5

DOWN7

SVCC8

SIG10

SGND

M AUTO ANTENNA MOTOR IC

A38 AUTO ANTENNA CONTROL RELAY AND MOTOR

588

J22 (LHD) , J45 (RHD) JUNCTION CONNECTOR WBABM

AUTOMATIC AIR CONDITIONERFROM POWER SOURCE SYSTEM (SEE PAGE 134)

115A RADIO NO. 2

50A HEATER

10A HEATER

5A ECUB2

2 1 8 1F 7 2F 1 1C

RL

WR

RL (1)

2 II1 (LHD) 1 IA3 (RHD) C A (LHD) E B (RHD) RL RL 9 EB1 RL

4

IG

J13 A , J31 B JUNCTION CONNECTORRL

C A (LHD) B B (RHD)


C A E B

C A (LHD) E B (RHD)

3 3G (LHD) 3 3A (RHD)

L

E10 EXHAUST GAS SENSOR

C A (LHD) B B (RHD)

3 3E

L

TO FAN NO. 3 RELAY

WR

GRGR WR LR(1) LW(1) RL L LW GR 27 D MPX2

4

4

3

3

GND 1 3

GAS 2

S. G

1 4

3HEATER RELAY A/C COMP RELAY

1

5

LR(1)

WB

2 4 4

5 4

2 3

3 3

LO

LW

(1)

LW(1)

LW 10 EB1

(LHD)

WB

LB

11 EB1

LW

V

LO

WB(RHD)

RL

LB

WB (LHD) 3 IG1 (LHD) 3 IE1 (RHD)

13 D ACMG

L

29 A LCKI

2 IG1 2 IE1

1 IG1 1 IE1

E2 A , E3 B , E5 D ENGINE AND ECT ECUPRE 21 D TAM 10 D E2 18 B

(RHD)

WB

WB

3 B +B M+

2 B SI

1 B GND M 2 A

B3 A , B4 B BLOWER MOTOR CONTROLLER

RL

LB

LGR

LB

1

V

1 A

WB

(1)

R

B

12 2F

A4 A/C DUAL PRESSURE SW

3HR 2 M 1

A1 A/C AMBIENT TEMP. SENSOR

1 2 EA1

J32 JUNCTION CONNECTOR


B2 BLOWER MOTORBODY ECU NO. 1

(RHD)

4

2 BR

WB

E4

WB

(LHD)

WB

WB (LHD)

WB (LHD)

IF

II

IF

610

WB

A

J18 JUNCTION CONNECTOR A A

A

EB

BR

1 : EXCEPT G. C. C.

A16 A , A17 B A/C CONTROL ASSEMBLY

ACC 2 A

+B 1 A

SG1 15 A

DGS 3 A

BLW 4 A

MPX+ 5 A

SG4 18 A

AIF 10 A

AIR 21 A

TPI 6 A

S54 7 A

TR 14 A

SG3 19 A

GND 22 A

(LHD)

(RHD)

3

7

6

5

1

1

M WR LR(1) LW(1) RL L LW GR 1 EA2 2

(LHD) BY (RHD)

A18 A/C ROOM TEMP. SENSOR

BY

A27 AIR INLET CONTROL SERVO MOTOR

5 3E

5 3G (LHD) 5 3A (RHD)

1

LW

GR

36 1C

A3 A/C MAGNETIC CLUTCH AND LOCK SENSOR6 1G 13 1F

2

(RHD)

WB

WB

(RHD) (LHD)II

(LHD)

(LHD)

WR

LW

BY

WB

BY

LR

RL

(1)

(1)

R

R

L

A


B

A

A

BR

B

A

E1

J 8 (LHD) , J42 (RHD) JUNCTION CONNECTOR

(RHD)

WB


(1)

BR

BR

AWB

A

A

ED

EC

EB : LHD IG : RHD

IF : LHD II : RHD

IF

(LHD)

WB



WB

WB

BR

WB

11 IJ1 11 ID1

12 IJ1 12 ID1

5 IJ1 5 ID1

4 IJ1 4 ID1


13

IJ1

6

IJ1

(LHD)

WR

RW

BW

WL

LW

BO

RB

BY

LR

RL

(1)

(1)

GR

R

L

611

AUTOMATIC AIR CONDITIONERA16 A , A17 B A/C CONTROL ASSEMBLY

TE 2 B

TPDr 10 B

AMCDr 15 B

AMHDr 7 B

SG5 13 B

S53 5 B

TPO 3 B

AOD 14 B

AOF 6 B

BW

GO

RG

GY

BO

BL

W

1 IH1 1 IF1

9 IH1 9 IF1

10 IH1 10 IF1

11 IH1 11 IF1

4 IH1 4 IF1

5 IH1 5 IF1

6 IH1 6 IF1

7 IH1 7 IF1

8 IH1 (LHD) 8 IF1 (RHD)

BW

GO

RG

GY

BO

BR

BY

W

1

I 2 : LHD I 3 : RHD

I 2 : LHD I 3 : RHD BR BR

A20 A/C THERMISTOR2

BY I 2 : LHD I 3 : RHD BR

G

G

B

BY

BY

I 2 : LHD I 3 : RHD

BY

BR

BR

BY

BW

GO

GY

BO

BR

BR

BY

BY

W

5

7

6

1

3

1

3

5

6

M

M

A28 AIR MIX CONTROL SERVO MOTOR (DRIVER SIDE)

A30 AIR VENT MODE CONTROL SERVO MOTOR

612

G

7

2 : W/ LEXUS NAVIGATION SYSTEM 3 : W/O LEXUS NAVIGATION SYSTEM

A16 A , A17 B A/C CONTROL ASSEMBLY

TPPa 11 B

AMCPa 16 B

AMHPa 8 B

TSPa 1 B

TSDr 9 B

S52 4 B

MPX 16 A

LR WG GW WR GR GB BR

2

M2 MULTIDISPLAY

MPX1 MPX2 8

(2)


GW

GR

BR

GB

WG

WR

BR

BY

MPX1

A19 A/C SOLAR SENSOR

GW

GR

1

3

5

7

M

A29 AIR MIX CONTROL SERVO MOTOR (FRONT PASSENGER SIDE)

GB

BR

BY

6

T5 TILT AND TELESCOPIC ECU

2 3

3 2

1 (LHD) 1 (RHD)

W

7

(2)

W

12 IH1 12 IF1

13 IH1 13 IF1

14 IH1 (LHD) 14 IF1 (RHD)

(3)

W

613

AUTOMATIC GLARERESISTANT EC MIRRORFROM POWER SOURCE SYSTEM (SEE PAGE 134)

15A ECUIG

5 1H

BR

I13 INNER MIRROR

J 7 A , J41 B JUNCTION CONNECTOR

B A (LHD) E B (RHD)

IG 1

EC+ 2

EC 3

GND 4

B A (LHD) E B (RHD)

BR

1 2D

3 2D

10 2D

5 2D

B A (LHD) C B (RHD)


B A (LHD) C B (RHD)

11 2F

5 2G

7 2H

13 2F

WB

GO

GR

BR

6 2G

GR

I 6 : LHD I 2 : RHD GR GO

I 6 : LHD I 2 : RHD

GO

BR

BR

(RHD)

15 IB1

14 IB1

15 IK1 15 IL1

14 IK1 (LHD) 14 IL1 (RHD)


GO

GO

GR

GR

A

A

A

A

4

3

4

3

(RHD)


R17 REMOTE CONTROL MIRROR LH

R18 REMOTE CONTROL MIRROR RH



A WB (LHD) EB IF

A

J32 JUNCTION CONNECTORII

A

A

II

IF

542

(RHD)

(LHD)

(LHD)

WB

WB

WB

WB

(RHD)

(LHD)

(LHD)

WB

WB

WB

WB

GO

GO

GR

GR

AUTOMATIC LIGHT CONTROL (RHD)FROM POWER SOURCE SYSTEM (SEE PAGE 134)

1

1

1

40A MAIN

120A ALT

15A ECUIG

10A MPXB

GW

2

2

2 1 1 GW 8 2B 4 2G GW

D

A

HEAD LP RELAY

4

2

J41 JUNCTION CONNECTORD A A BR

3 1

1 1

1 1A GW GW

W

RG

RB

1

5TAIL RELAYO

5 IA2

RG

2

3

C

GW

GR

BR


2 1H 8 IJ1

C

RG

9 A HRLY TAIL 2 A

6TRLY HEAD 15 A

1IG AUTO 3 A

8BECU CLTB 2

9MPX1 CLTS 3 CLTE 12

19 A MPX2

B6 A BODY ECU NO. 2

11

GND 11

C12 COMBINATION METER13 1F

1 1D

6 1D

7 1D

6 1G

GRR

WB

WB

15 A 15 B OFF

14 A 14 B

13 A (1) 13 B (2)

1

4

3

LIGHT CONTROL SW

TAIL HEAD AUTO

C13 A , B COMBINATION METER

16 A (1) 9 B (2)

WB

A33 AUTOMATIC LIGHT CONTROL SENSOR

WB

WB

RG

RY

RB

R

B


B


A AWB

WB

A

J32 JUNCTION CONNECTORIF

II

312

W

13 1H

5 1H

6 1H

11 1H

W

O

W

1 : EUROPE 2 : AUSTRALIA FROM POWER SOURCE SYSTEM (SEE PAGE 134)

20A D FR DOOR

2 1F

BR

J41 JUNCTION CONNECTOR EE

GW

O

GW

BR

6

IL1

1

IL1

13

IL1

5

GW

BR

9 C MPX1 CTY 15 B

3 C CPUB

2 C SIG CTYE 14 B

1 A BDR GND 12 C

LB

O

LBIL1

O

D18 A , D19 B , D20 C DRIVER DOOR ECU

WB

2

1

4

D9 DOOR COURTESY SW FRONT RH

WBIG

WBIL1

RG

313

AUTOMATIC LIGHT CONTROL (LHD)FROM POWER SOURCE SYSTEM (SEE PAGE 134)

1

1

1

40A MAIN

120A ALT

15A ECUIG

10A MPXB

2

2

2 1 1 GW 8 2B 4 2G

HEAD LP RELAY

4

2

GW

W

BR 3 1 1 1 1 1A GW I6 GW GW

RG

RB

1

5TAIL RELAYLO

14

II2

RG

2

3

C

J15 JUNCTION CONNECTORRG (1)

2 1H GR (1) 8 IE1

C

5HLP

3GRTAIL D 1 DAYTIME RUNNING T LIGHT 2 GO(1) 13 1H

(2)

11

RG

(2)

H 4

GW

BR

LO

W

5 1H

6 1H

11 1H

R (1) 9 A HRLY TAIL 2 A HEAD 15 A AUTO 3 A

C12 COMBINATION METER19 A MPX2 CLTE 12

6TRLY

1IG GND 11

8BECU CLTB 2

9MPX1 CLTS 3

B6 A BODY ECU NO. 2

RY

RB

6 1G

13 1F

1 1D

6 1D

7 1D

R

GRR

WB

WB

15OFF

14

13

LIGHT CONTROL SW

TAIL HEAD AUTO WB

WB

RG

W

W

RG 16

WB

C13 COMBINATION SW

J18 JUNCTION CONNECTORAWB

AGRR A


A

WB

WB

A

WB

A A

J8 JUNCTION CONNECTORIF II

308

WB

1 : W/ DAYTIME RUNNING LIGHT 2 : W/O DAYTIME RUNNING LIGHT FROM POWER SOURCE SYSTEM (SEE PAGE 134)

20A D FR DOOR

2 1F

BR

J7 JUNCTION CONNECTOR BB

GW

LO

GW

BR

LO

6 IB1

1 IB1

13 IB1

5 IB1

GW

BR

LO

9 C MPX1 CTY 15 B 3 4 1

3 C CPUB

2 C SIG CTYE

1 A BDR GND 12 C

D18 A , D19 B , D20 C DRIVER DOOR ECU

14 B

WB

2

1

4 IB1

D8 DOOR COURTESY SW FRONT LH

WB

RG

GRR

WB

WB

WB

RG

LB

LB

A33 AUTOMATIC LIGHT CONTROL SENSOR

309

BACKUP LIGHTFROM POWER SOURCE SYSTEM (SEE PAGE 134)

10A GAUGE

4 1H

RLB

J18 (LHD) , J35 (RHD) JUNCTION CONNECTOR

B

9 EA3

RLB

RL

J 1 (LHD) , J25 (RHD) JUNCTION CONNECTOR J20 (LHD) , J43 (RHD) JUNCTION CONNECTOR A AA

B

RL

4

RB

RB

N1 BACKUP LIGHT SW [NEUTRAL START SW]8

RB

R

RB

4

R10 BACKUP LIGHT LH [REAR COMB. LIGHT LH]

6 EA1

1 IC3

4

D A

J 3 A , J 4 B (LHD) , J27 A , J28 B (RHD) JUNCTION CONNECTOR

5

5

WB

F B

RB

B4

WB

A WB

A


BJ

BK

226

WB

R12 BACKUP LIGHT RH [REAR COMB. LIGHT RH]

RB

CRUISE CONTROLFROM POWER SOURCE SYSTEM (SEE PAGE 134)

1

1

25A EFI

15A ETCS

5A IGN

15A STOP

BR

E2

BR

2 1

2

BR

1 BY

7 1G

8 1H

BO

(LHD)

VY

LY

BY

(RHD)

1

1 15 IA2 3 II4 (LHD) 3 IA1 (RHD) 6 IA2

J36 B (RHD) JUNCTION CONNECTOR E B E BO BE B 3 2

1EFI RELAY

5

W

J15 B (LHD) ,

3

A10 ACCEL POSITION SENSOR

BY

S12 STOP LIGHT SW2 3 4 1 A A (LHD) B B (RHD)

2

1

4

1

1


GW

LY

WB

BO

BR

BY

BY

VY

A A (LHD) B B (RHD)

10 E MREL

1 E BATT

7 E BM

9 E IGSW

11 D ST1

6 D STP

GW

18 B E2

15 B VPA

16 B VPA2

E2 A , E3 B , E5 D , E6 E , E7 F ENGINE AND ECT ECU+B 16 E B2 8 E ME01 9 A TC 5 D CCS 23 D

BR

BR

PB

LR

BL

BR

L

J 3 A , J 4 B (LHD),

J27 A , J28 B (RHD) JUNCTION CONNECTOR


WB

BR

D A (LHD) C B (RHD)

BR E A (LHD) A B (RHD)

B A

B A

1 II1 (LHD) 3 IA1 (RHD)

PB (RHD) D

B B

B B

E A (LHD) A B (RHD)

4


BR

PB

BR

BR


J 4 B (LHD) ,D B

CRUISE

PB

D

ABR BR

9 EA2

(RHD) 12 EA1

11TC +B

3E1

A 7 EA3 BR (3)

BR

A

YG

J 2 (LHD), J26 (RHD) JUNCTION CONNECTOR BR A

D B

J28 B (RHD) JUNCTION CONNECTORRES/ACC

BR

SET/COAST

BR

BR

12 BR

(4)

A

A

WB


C3 CHECK CONNECTOR

CANCEL

C15 CRUISE CONTROL SW [COMB. SW]BR(3)

RY

BR

D A (LHD) C B (RHD)


(LHD) 9 ID1 (RHD) 2 II1

8 ID1 1 II1

RY

5

BR (4)

E1

BR

E1

BR

EE

ED

490


3 : G. C. C. 4 : EXCEPT G. C. C.

FROM POWER SOURCE SYSTEM (SEE PAGE 134)

BR

10A GAUGE

4 1H

4 1D RL

4

T2 THROTTLE CONTROL MOTORRL

T3 THROTTLE POSITION SENSOR

B

B 1 2 3 1 2 4 3


LY

9 EA3

(SHIELDED)

E2

GR

YG

YR

YR

W

LY

B

RL

RL

B

B 2 B VC 23 B VTA 24 B VTA2 30 A GE01 7 A M 8 A M+ 19 A CL 20 A


LY

E2 A , E3 B , E5 D , E6 E , E7 F ENGINE AND ECT ECUE1 17 B E01 21 A E02 31 A E03 1 B EC 22 E EOM 9 F MPX2 27 D D 17 D

RL4

CL+

N1 A/T INDICATOR LIGHT SW [NEUTRAL START SW]

9

WB

WB

WB

WB

WB

YB

L

BR(4)

BR(3)

E4

3 IJ1 (LHD) 3 ID1 (RHD) E A

J 3 A (LHD) , J27 A (RHD) JUNCTION CONNECTORYB 3 EA3


A

AA

L

E A

5 MPX+ MPX 16 W(2)

A16 A/C CONTROL ASSEMBLY

BR(4)

BR(3)

WB

WB

WB

LR

2

WB

(1)

MPX1 MPX2

YB

8

W (1)

BR(3) BR E1 BR

M2 MULTIDISPLAY

10 10 IJ1 ID1 (LHD)(RHD)

W

EC

EB

491

CRUISE CONTROL

RL

1 A

C11 A , C12 B COMBINATION METER

CRUISE

CPU

2 B

22 A

8 B

WB

W

17 IE1 (LHD) 17 IJ1 (RHD)

5 1D



L

13 1F

6 1G

MPX2 MPX1 7


WB

B

A


B

(RHD)

W

(LHD)

WB

WB

WBA

A

(LHD)

WB

WB

6

(RHD)

O

A


A

J 8 (LHD) , J42 (RHD) JUNCTION CONNECTORIF : LHD II : RHD

492

CLOCKFROM POWER SOURCE SYSTEM (SEE PAGE 134)

10A DOME

15A RADIO NO. 2

12 2H

1 1C

11 1F

LY

3 1C

1 3G (LHD) 1 3A (RHD)

LY

3 3G (LHD) 3 3A (RHD)

1 3B

3 3B

LY

4B+

ACC+

GR

GR

5

PASSENGER SEAT BELT

C10 CLOCK

EARTH1

ILL+6

PBEW3

5 3B

WB

LGB

5 3G (LHD) 5 3A (RHD)

WB

18 IJ2 15 ID3


J37 JUNCTION CONNECTOR BB

13 1F WB

11(LHD) TO COMBINATION METER WBACAN

(RHD)

A

J18 JUNCTION CONNECTORA

(RHD)

WB

B6 BODY ECU NO. 2

A


II

526

(LHD)

WB

Y

6 1C

LGB

LR

CIGARETTE LIGHTER AND POWER OUTLETFROM POWER SOURCE SYSTEM (SEE PAGE 134)

15A CIG

7 1F

P

P

B A C B

B A (LHD) C B (RHD)


B A (LHD) C B (RHD)

P

1

C9 CIGARETTE LIGHTER1

P

2

P4 POWER OUTLET

3

(RHD)

WB (LHD)

I6

I2

(RHD)

A(RHD) WB

(LHD)

WBA

WB

(LHD)

WB

WB


A


II

524

(LHD)

WB

COMBINATION METERFROM POWER SOURCE SYSTEM (SEE PAGE 134)

FROM HLP R UPR FUSE

10A GAUGE

4 1D

R

RL

15 A

1 A


REAR LIGHT

OIL PRESSURE

HIGH BEAM

SEAT BELT

ECT SNOW

OIL LEVEL

ECT PWR

CHARGE

CRUISE

CPU

HEADLIGHT BEAM LEVEL CONTROL

VSC OFF

7 B

18 A

16 B

13 B

15 B

14 B

5 B

17 B

BL

G



3 IE1 3 IJ1

6 IE1 6 IJ1

4 IE1 4 IJ1

5 IE1 5 IJ1

14 IE1 14 IJ1


BL

WR (2)

WB

(1)

TO HEADLIGHT BEAM LEVEL CONTROL ECU

TO COMBINATION SW


A A (LHD) B B (RHD)

LGB

LGR

A


A A (LHD) B B (RHD)

A

5 C WA

LGB

4 C VSCW

13 C WT

6 C IND

16 C SP1

5 B BRL

WB

(1)

A


A23 B , A24 C ABS & TRC & VSC ECU

598

RG

VR

LO

V

O

R

P

P

L

L

BRAKE

SLIP

VSC

ABS

WATER

FUEL

FUEL

1 : W/ DAYTIME RUNNING LIGHT 2 : W/O DAYTIME RUNNING LIGHT

C11 A , C12 B COMBINATION METERSPEEDOMETER TACHOMETER

ODOMETER TRIP METER A/T P R N D 4 3 2 L

ODO/TRIP

17 A

3 B

RESET

4 B

6 B

10 B

YB

GR

G

R


BO

3 IC1

15 IE1 15 IJ1

13 IE1 13 IJ1


TO LIGHT FAILURE SENSOR

12 IC1

7 IL3 7 IM3


BRY

BO

YR

A A C B

A A (LHD) C B (RHD)

2

2

1

F15 FUEL SENDER

F17 FUEL SENDER (SUB)


VW

VW

3

2

BO

YR

12SPD

VW

5SPD

N3 NAVIGATION ECU

P5 PPS ECU

WB

EB

W1 WASHER LEVEL WARNING SW

A A (LHD) C B (RHD)


GRB

BRY

VW

BO

BO

YR

Y

1

WASHER

BUZZER

599

COMBINATION METERFROM POWER SOURCE SYSTEM (SEE PAGE 134)

5A SRSB

FROM PASSENGER SEAT BELT WARNING [CLOCK]

LB


14 A

C11 A , C12 B COMBINATION METER(7) (7) FRONT FOG (4) REAR FOG

1 B

DOOR

TAIL

(4)

CPU

2 A

3 A

22 A

8 B

16 A

12 B W

WB

GB

GY

BY

GR

O

CHECK ENGINE

TURN RH

TURN LH

Y

Y

3 1D

11 IE1 11 IJ1

10 IE2 10 IJ2


W

MPX1 PKB

BY

GRR

6 E W

28 D MPX1 MOL 6 A MPX2 27 D

WB

BY

MOPS

BB

WB

RW

LB

13 1F (RHD) J37 JUNCTION CONNECTOR

6 1G C

1

1

O2 OIL PRESSURE SW


(RHD)

A

WB

TAC

OIL TEMP.

OIL LEVEL

8

1

E9 ENGINE OIL LEVEL SENSOR

I1 IGNITER

A


(LHD)

A

A

A


2

BR (3)

J2 JUNCTION CONNECTOR BR A ABR (4) (3) E1

WB

P3 PARKING BRAKE SWL ED

C


8 B

(LHD)

WB

WB

GB

L

YB

5 1D

2 EA3

E5 D , E6 E ENGINE AND ECT ECU

FROM TURN SIGNAL FLASHER

21

E2 A , E3 B ,

600

BR

II

IF : LHD II : RHD

EC

(4)

BR

B5 BODY ECU NO. 1

19

3 : G. C. C. 4 : EXCEPT G. C. C.


7 : EUROPE


J41 JUNCTION CONNECTOR(RHD) GW10A MPXB D

D

GW (RHD)

J41 JUNCTION CONNECTOR A A

GW (LHD) 6 1H

2 4 2G 1

8 2B GW

2 1D


13 A

CPU

6 A

5 A

4 A

12 A

SRS

2 B

11 B

LG

W



WB

TO CENTER AIRBAG SENSOR ASSEMBLY

W

G



6MPX2 MPX1 7

19 A

W

L

W

MPX+

MPX 16 W

BLVL 4 8 1B

5

4

3

5

LR

(5)

L

(6)


MPX1 MPX2

M2 MULTIDISPLAY

W (6)

YB

2


W

L

L

8

W (5) WB 1

(5)

W

R8 RHEOSTAT

2

A

A

WB

EE

EB

(LHD)

(RHD) (RHD) J29 JUNCTION CONNECTOR

WB

B1 BRAKE FLUID LEVEL WARNING SW

B6 A BODY ECU NO. 2

MPX2

GW

601

(RHD)

GW

CELLULAR MOBILE TELEPHONEFROM POWER SOURCE SYSTEM (SEE PAGE 134)

1

15A ECUIG

15A TEL

2 1 5 1H 11 2F 2 1E

BR (LHD)

B

B

BR (LHD)

B

B

BR (LHD)


BR

BR I 8 : LHD I11 : RHD

(LHD)

BR


T8 A , T9 B TELEPHONE TRANSCEIVER AND SPEAKER RELAY

10 A

9 A

GB

R

5TELEPHONE TRANSCEIVER

4

16

3

17

15

14

2

8

1

R6

GR

BR

GR

2 2E

(RHD)



GR

24

GRW

RW

W

W

11 A

1 A

6 A

4 A

11 B

7 A

2 A

7 B

2 B

3 A

P

V

(SHIELDED)

WL

WB

P

MIC+

MIC

T4 TELEPHONE MICROPHONE

1

V

2

2 A

2 B

7 B

8 B

3 B

BR

3 A


A AWB

6 A

BM

C17 A , C18 B CELLULAR PHONE (HAND SET)

584

LW

W

P

B

14 IL1 14 IM1


(SHIELDED)

BR

W

G

G

B

B

V

R15 (LHD) REAR DOOR SPEAKER LH R16 (RHD) REAR DOOR SPEAKER RHR (RHD)

1

2

W (RHD)

(LHD)

7 BB1

7 BA1

12 BA1

(LHD)12 BB1

B

(LHD)

Y Y

1 IC2

5 IC2

(RHD)

(LHD)

B

(LHD)

1

IL2

5

IL2

(LHD)

T8 A , T9 B TELEPHONE TRANSCEIVER AND SPEAKER RELAY

5 B

12 B

RW

RW

BR

22

25

19

6TEL()

BR

L

2TEL(+)

1SPCNT SPEAKER RELAY AUDIO(+) 3

4RLSP(+) AUDIO() 9

10RLSP()

TELEPHONE TRANSCEIVER GND 11 12 18 23 10 20 5

O

R

Y

B

YB

P

B

GW

RW

BW

LW

6 B

1 B

8 B

8 A

4 B

YB

B

5 A

12 A

10 B

(RHD)

(RHD)

(LHD)

(LHD)

LO

6 IL1 6 IM1

1 IL3 1 IM3



LR

LY

LB

L

(RHD)

(RHD)

(LHD)

(LHD)

LO

W

R

B

Y

4 B

5 B

6 B

1 B

1 IJ3 1 ID2

4 IJ3 4 ID2


(RHD)

(RHD)

(LHD)

LO

8 C TLMT

1 D 2 D RR+ (RHD) RL+ (LHD)

3 D (RHD) 6 D (LHD) RR (RHD) RL (LHD)

(LHD)

W

R

B

Y

C17 A , C18 B CELLULAR PHONE (HAND SET)

S10 C , S11 D STEREO COMPONENT AMPLIFIER

C15 TELEPHONE SW [COMB. SW]

BO

BO

W

R

B

Y

P

3

(LHD)

B

Y

(LHD)

B

Y

(RHD)

W

R

585

CHARGING

1 : 1UZFE 2 : 2JZGE



WL

10A GAUGE

4 1D RL 16 IA2 (LHD) 14 IA2 (RHD)

4 1H

CHARGE


1 A

B A (LHD) B B (RHD)

CPU


WL

9 EA3 MPX2 27 D RL

2120A ALT

25A ALTS

22 A

2 B

W


L

1

1

WB



RL

1

1

26 A

RL

BL

E2 A , E5 D ENGINE AND ECT ECU

B A (LHD) B B (RHD)

RL

WL

B

B 7 EA1

1

L

WL

RL

BL

PL

5 1D

MPX2 MPX1 7


6BATTERY

L

W

13 1F

6 1G

5

1 B

2 B IG

3 B S

1 A B

WB (RHD)

(LHD)

WB

J18 A JUNCTION CONNECTOR J 8 (LHD) , J42 (RHD) JUNCTION CONNECTOR WB

10 IJ1 (LHD) 10 ID1 (RHD) W (2)

MPX 16

BB

(RHD) J37 J32 JUNCTION JUNCTION CONNECTOR CONNECTOR

LR

(1)

A A

8MPX2

2MPX1

(1)

W

M2 MULTIDISPLAY


MPX+

L

IC REGULATOR

WB

A A

(LHD)

WB

A

A

IF

II

IF : LHD II : RHD

A14 A , A15 B ALTERNATOR

142

BL

BL

ECT AND A/T INDICATORFROM POWER SOURCE SYSTEM (SEE PAGE 134) BR

1FROM POWER SOURCE SYSTEM (SEE PAGE 136) 5A STARTER 25A EFI

2 1 1F 1 BY

5A IGN

O1 O/D DIRECT CLUTCH SPEED SENSOR

1 7 1G

BY

BL

BY

BY

2

5 EA3 15 IA2

BY

BY


BO

E

BL

J15 (LHD) J36 (RHD) JUNCTION CONNECTOR

BY

BY

1

1

N1 NEUTRAL START SW

G

R

E

6

1

5EFI RELAY 10 E MREL 1 E BATT 4 C NCO+ 10 C NCO

P N5

9 E IGSW

2 1

3 1

B

E2 A , E3 B , E4 C ,WB BR

E5 D , E6 E , E7 F ENGINE AND ECT ECU

4 EA3 1 II1 (LHD) 3 IA3 (RHD) B

BR

STA 2 D

+B 16 E

B2 8 E

B

BR

BR

J 3 A , J 4 B (LHD) ,

BR

B


J 3 A , J 4 B (LHD) ,


C A

C A

B A

B A

A

A B B B B

A B

BR

WB

B

9 EA2

TO STARTER RELAY


A

BR

BR

A

BR


BO

BR

WB

BR

EE

478

1 : G. C. C. FROM POWER SOURCE SYSTEM (SEE PAGE 134) BR

BR

7E2

E1 ECT SOLENOID

15A STOP

O

8 1H

W2

OIL1 2

SLT+8

SLT3

SLN+9

SLN4

SLU+10

SLU6

S112

S25

S311

S41

17 C OIL

9 C SLT+

15 C SLT

8 C SLN+

14 C SLN

7 C SLU+

13 C SLU

1 C S1

2 C S2

3 C S3

6 C S4

E2 A , E3 B , E4 C , E5 D , E6 E , E7 F ENGINE AND ECT ECU

THW 14 B

E2 18 B

VPA 15 B

VPA2 16 B

VC 2 B

VTA 23 B

VTA2 24 B

TC 5 D PB

(LHD)

YG

YR

PB

LR

LY

BR

L

(RHD) PB

C

DBR

(RHD)

LY

E2

D



YG

YR

LR

LY

LY

L

12 EA1

A10 ACCEL POSITION SENSOR


2

2

1

4

1

2

3

11TC

W3 WATER TEMP. SENSOR

YG

PB

C3 CHECK CONNECTORE1 3 BR

1

+B 12 4

3

BR

BR

BR

BR

BR

BR

J 7 A , J39 B JUNCTION CONNECTOR GW GWC

A A (LHD) B B (RHD)

GW

GR

GB

GY

YG

RB

LR

LB

P

Y

L

A A (LHD) B B (RHD)

6 D STP

ABR BR E2 BR E2 BR E2 BR

A

A


S12 STOP LIGHT SW(1) BR

GR

BR

LG

W

O

G

R

B

Y

V

L

479

ECT AND A/T INDICATORRL

J 1 (LHD) , J25 (RHD) JUNCTION CONNECTOR B B

RL

N1 A/T INDICATOR LIGHT SW [NEUTRAL START SW]

4

S5 SHIFT LOCK CONTROL ECU

PL 7

RL 8

NL 10

DL 9

2L 2

LL 3 5 3 9 2

L

RW

GB

2 EA2

6 EA1

3 EA3 7 EA4 9 EA4 (2) 10 EA2 3 EA2 (1)

J27 A (RHD) JUNCTION CONNECTOR RW RW

(LHD)

GR

J 3 A (LHD) ,

A A

D A

E A E A

E B

YB

GB

RB

YB

G

RY

YB

YB

R


(RHD)

GB

D DD GB

A A

D A

RB

YB

J 3 A , J 4 A (LHD) , J27 A , J28 B (RHD) JUNCTION CONNECTOR20 B 3

GB

YG

RY

26 D P

16 D R

13 B N

17 D D

21 B 2

14 A L

7 D 4

27 D MPX2

E2 A , E3 B , E4 C , E5 D , E6 E , E7 F ENGINE AND ECT ECU

E1 17 B

EO1 21 A

EO2 31 A

EO3 1 B

EC 22 E

EOM 9 F

SP2+ 5 C

SP2 11 C

KD 15 D

28 D

YR

RL

LY

(5)

WB

WB

2

S1 SPEED SENSOR (ECT)

K3 KICK DOWN SW1 1

WB

WB

WB

(2)

BR

WW A

A

(RHD)

(LHD)

WB

WB

E4

2



A

A

(LHD)

WB

WB

(1) BR E1 BR

(2)

BR

J8 JUNCTION CONNECTOREC EB

A

WB

BR

A

(RHD)


ED

IF

480

LMPX1

1 : G. C. C. 2 : EXCEPT G. C. C.


5 : EUROPE

RL

9 EA3

RL

B

B

RL

J18 (LHD) , J35 (RHD) JUNCTION CONNECTORRL

L

L


B5 A BODY ECU NO. 1

L

5MPX+ MPX MPX1 19 A PWR 23 A SNOW 24 A 16


LR

GW

GR

(2)

W

2 7PWR

1

E11 ECT PATTERN SELECT SW

SNOW

W(4)

MPX1 MPX2 8

(3)

M2 MULTI DISPLAY

3 (2) 5 (1)

(3)(LHD) (RHD)

(LHD)

10 IJ1 10 ID1

WB

W

W

7MPX1 MPX2


WB

W

(RHD)

6

L

L WB (LHD)

A


481

ECT AND A/T INDICATORFROM POWER SOURCE SYSTEM (SEE PAGE 134)

10A GAUGE RL

4 1H RL

4 1D

RL

1 A


ECT SNOW

ECT PWR

L

2

3

4

D

N

R

CPU

2 B

22 A

W

A/T P8 B

17 IE1 17 IJ1

(LHD) (RHD) 5 1D

WB

O11 IE1 11 IJ1 (LHD) (RHD) 6 1G

L

13 1F WB (RHD)

B

WB


(LHD)

WB

B

L

(RHD)

WB

AWB (LHD) A

A


(LHD)

WB

WB


A

AWB

A

J 8 (LHD) , J42 (RHD) JUNCTION CONNECTORIF : (LHD) II : (RHD)

IF

II

482

ENGINE CONTROL (LHD)BW BW

AWR 7 AM2 IG2 6 ST2 8 BW B

A

A

BW FROM POWER SOURCE SYSTEM (SEE PAGE 134)

BW


I12 IGNITION SW10 1F

1

25A EFI

2 7. 5A OBD 5A STARTER 1 BY 3 II4 15 IA2 BY

BY

BY 1 1A 12 1H 1 1F 1 1

BY

WR

BL

B

1

5EFI RELAY

9 IA1

5 EA3 2 3 1 1

WR

BL

W

WB

6

P N5

N1 NEUTRAL START SW

1

BR

BRII1

BR

WB

B

A1 1 4 EA3 A


8 IC2

215A AM2

2120A ALT B

WB

B

LR


1

1

F15 FUEL PUMP

4 M 5

FP+ FP 6 5 E

+B DI 9 FPC 8

1

A B

WB

BR

BL

LW

B

BL

F16 FUEL PUMP CONTROL ECU

C A

C A

7

10

BR

BL BR

TO STARTER RELAY BATTERY

B B

AWBWB

A


EE

BJ

BK

148

1 : EUROPE

BW

BW

BW

7 EA2 BR

BW

6 1J

E2 5A IGN

BW

E2

BW

E2

BW

E2

BW

BW

BW

BW

I5 INJECTOR NO. 1

I6 INJECTOR NO. 2

I7 INJECTOR NO. 3

BY

BY

E


1

1

1

1

BO

10 E MREL

1 E BATT

9 E IGSW

5 B # 10

6 B # 20

1 A # 30

2 A # 40

E2 A , E3 B , E4 C , E5 D , E6 E , E7 F ENGINE AND ECT ECUFPC 5 E DI 4 E STA 2 D +B 16 E B2 8 E OX2B 24 F HT2B 25 F (SHIELDED)

BR

BR

BR

BL

(1)

GRB

BR

(SHIELDED)

R

B


OX +B 2

HT E1 4

19 IC3

7 IC3

B B

B B

D B

D B

BR

BR

BR

(1)

(1)

(1)

BR

BR

9 EA2

7 EA3

BR

ABR E2 A

J14 JUNCTION CONNECTOR A

E


E

BR

BL BR B B

BR

(1)BR BR(1) B

BR (1)

ED

BR

E1

(1)

BR


B A

B A

3

1

(1) H23 HEATED OXYGEN SENSOR (BANK 2 SENSOR 2)

R

Y

L

E

BW

I8 INJECTOR NO. 4F A

7 1G

2

2

2

BO

BW2

F A

BR

BL

149

ENGINE CONTROL (LHD)BR E2 BR

BR

E2

BR

E2

BW

E2

BW

BW

BR

BR

BR

I9 INJECTOR NO. 5

I10 INJECTOR NO. 6

2

2

2

1

4

V3 VSV (EVAP)

V2 VSV (ACIS)

+B VG 5 E2G 3

BR

2E2 THA 1

A11 AIR FLOW METER

1

1

1

2

3 A # 50

4 A # 60

5 A ACIS

7 B PRG

10 B VG

19 B EVG

22 B THA

WR

BY

RL

RL

BL

GR

W

18 B E2

E2 A , E3 B , E4 C , E5 D , E6 F , E7 F ENGINE AND ECT ECUOX1B 8 D (SHIELDED) HT1B 26 F OX2A 11 B HT2A 3 B OX1A 12 B HT1A 4 B TC 5 D E1 17 B (SHIELDED)

(1)

B

PB

BR

(SHIELDED)

(1)

(1)

(1)

(1)

E3

(1)

BR

GR

(SHIELDED)

W

W

Y

(1)

(1)

D

J9 JUNCTION CONNECTOR(SHIELDED)

11 EA4

10 EA4

3 EA4

R

B

D

(SHIELDED)

(1)

(1)

GR

PB

(1)

B

W

BR (2)




12 EA1

3OX +B 2

1

3OX +B 2

1

3OX +B 2

1

HT E1 4

HT E1 4

HT E1 4

4OX1 +B 12

11TC

YG

BR

3E1

BR

BR

BR

(1)

(1)

(1)

BR

BR

BR

C3 CHECK CONNECTOR(1) BR

BR BR(1) B

E2 E1

BR BR (1)

E2 E1

BR BR (1)

E2 E1

BR

BR (1)

E1

BR(1) B

150

1 : EUROPE 2 : G. C. C. BR E2 BR E2 BR E2 BR

A10 ACCEL POSITION SENSOR(2) BR BR

3


BR


1E2

V1 VARIABLE RESISTOR4 2 1 1 2 3

1

VAF 3

VCC 2

2

YG

LY (2)

E2

LY

E2

LW

BR

14 B THW

12 B VAF

15 B VPA

16 B VPA2

2 B VC

LY

(2)

23 B VTA

24 B VTA2

E2 A , E3 B , E4 C , E5 D , E6 E , E7 F ENGINE AND ECT ECUNE+ 23 A (SHIELDED) NE 22 A G2 10 A KNK1 28 A KNK2 27 A

A

A

A

A(SHIELDED) GR W Y L

(SHIELDED)

A


E3 (SHIELDED) (SHIELDED)

W

BR (2)

A A AA

B

BR

A

Y

L

K1 KNOCK SENSOR 1

BR

1

2

2

1

C4 CRANKSHAFT POSITION SENSORBR(1) B

C1 CAMSHAFT POSITION SENSOR

E1 B

BR

EC

K2 KNOCK SENSOR 2

1

1

(SHIELDED)

(SHIELDED)

B

YR

LR

LY

LY

L

BR

4

151

ENGINE CONTROL (LHD)

FROM A/C COMP RELAY

1

IN1 7

IN2 6

IN3 5

IGF 4

MPX1 19 2


I1 IGNITER

B5 BODY ECU NO. 1

T6 TRANSPONDER KEY AMPLIFIER

TXCT 4

RXCK 3

CODE 2

LO

BW

10 EB1

LO

11 A IGT

12 A IGT2

13 A IGT3

25 A IGF

13 D ACMG

28 D MPX1

5 C SP2+

11 C SP2

21 F TXCT

22 F RXCK

23 F CODE

E2 A , E3 B , E4 C , E5 D , E6 E , E7 F ENGINE AND ECT ECUOCV+ 18 A OCV 17 A SIL 11 E ME01 9 A E01 21 A E02 31 A E03 1 B

WR

RW

WG

C


C

WG

WB

GB WB

BR

BY

LR

RL

BL

LY

W

B

7SIL

D2 DLC3BAT 1 2 16 CG 4

B

C2 CAMSHAFT TIMING OIL CONTROL VALVE J10 JUNCTION CONNECTOR

WB

A AA B WB

13 2F

6 2G

WB

A

J8 JUNCTION CONNECTORIF II ED EC

152

WB

WB

BR


1

15A STOP

15A ETCS

2

A23 ABS & TRC & VSC ECU

8 1H

1 L

W

TRC+ 24

TRC 16

ENG+ 14

ENG 22

NEO 7 2

S12 STOP LIGHT SW1

LY

6 IA2

3

IJ1

GR

LG

GW

P

V

L

A


13 E TRC+

20 E TRC

14 E ENG+

21 E ENG

15 E NEO

GW

6 D STP

7 E BM

27 D MPX2

E2 A , E3 B , E4 C , E5 D , E6 E , E7 F ENGINE AND ECT ECUEC 22 E EOM 9 F CL+ 20 A CL 19 A M+ 8 A M 7 A GE01 30 A PS 16 A W 6 E

E4

P1 POWER STEERING OIL PRESSURE SW

2

(SHIELDED)

GR

YR

W

B

1

WB

3

4

2

1 4 EA1

WB

GRR

WB

WB

L

L

A

VY

GRR

T2 THROTTLE CONTROL MOTORE4 WB

WBEB

153

ENGINE CONTROL (LHD)

3 : W/ LEXUS NAVIGATION SYSTEM 4 : W/O LEXUS NAVIGATION SYSTEM FROM POWER SOURCE SYSTEM (SEE PAGE 134)

10A GAUGE

4 1D L

5MPX+ MPX 16



1 A

LR

2

MPX2 8

M2 MULTI DISPLAY

(4)

W

MPX1

(3)

CPU

(3)

CHECK ENGINE

10

W

IJ1 2 B 12 B 22 A 8 B

W

WB

GR

W


7MPX1 MPX2 6 5 1D 17 IE1 7 IE1 11 IE1

L

GRR

L

13 1F

6 1G

WB

GRR


WB

WB

A

WB

O

RL

A A


II

154

ENGINE CONTROL (RHD)BW BW

AWR 7 AM2 IG2 6 ST2 8 BW B

A

A

BW FROM POWER SOURCE SYSTEM (SEE PAGE 134)

BW


I12 IGNITION SW10 1F

1

25A EFI

2 7. 5A OBD 5A STARTER 1 BY 3 IA1 15 IA2 BY

BY

BY 1 1A 12 1H 1 1F 1 1

BY

WR

BL

B

1

5EFI RELAY

7 IK1

5 EA3 2 3 1 1

WR

BL

W

WB

6

P N5

N1 NEUTRAL START SWA

A

3 IA3

BR


BR

BR

B

8 IC2 1 1 4 EA3

215A AM2

2WB 120A ALT BRLR

B

B


1

1

F15 FUEL PUMP

4 M 5

FP+ FP 6 5 E

+B DI 9 FPC 8

1

A B

WB

BR

BL

LW

B

BL

F16 FUEL PUMP CONTROL ECU

C A

C A

7

10

BL BR

TO STARTER RELAY BATTERY

B B

AWBWB

A


EE

BJ

BK

160

BW

BW

BW

7 EA2 BR

BW

6 1J

E2 5A IGN

BW

E2

BW

E2

BW

E2

BW

BW

BW

BW

I5 INJECTOR NO. 1

I6 INJECTOR NO. 2

I7 INJECTOR NO. 3

BY

BY

E


1

1

1

1

BO

10 E MREL

1 E BATT

9 E IGSW

5 B # 10

6 B # 20

1 A # 30

2 A # 40

E2 A , E3 B , E4 C , E5 D , E6 E E7 F ENGINE AND ECT ECUFPC 5 E DI 4 E STA 2 D +B 16 E B2 8 E OX2B 24 F HT2B 25 F (SHIELDED)

BR

BR

BR

BL

GRB

BR

(SHIELDED)

R

B


OX +B 2

HT E1 4

19 IC3

7 IC3

B B

B B

D B

D B

BR

BR

BR

BR

BR

9 EA2

7 EA3

BR

ABR E2 A


A


A

BR

BL BR B B

BR

BR

BR

BR

E1

ED

J27 A , J28 B JUNCTION CONNECTORBR BR B

B A

B A

3

1

H23 HEATED OXYGEN SENSOR (BANK 2 SENSOR 2)

R

Y

L

E

BW

I8 INJECTOR NO. 4F A

7 1G

2

2

2

BO

BW2

F A

BR

BL

161

ENGINE CONTROL (RHD)BR E2 BR

BR

E2

BR

E2

BW

E2

BW

BW

BR

BR

BR

I9 INJECTOR NO. 5

I10 INJECTOR NO. 6

2

2

2

1

4

V3 VSV (EVAP)

V2 VSV (ACIS)

+B VG 5 E2G 3

BR

2E2 THA 1

A11 AIR FLOW METER

1

1

1

2

3 A # 50

4 A # 60

5 A ACIS

7 B PRG

10 B VG

19 B EVG

22 B THA

WR

BY

RL

RL

BL

GR

W

18 B E2

E2 A , E3 B , E4 C , E5 D , E6 E , E7 F ENGINE AND ECT ECUOX1B 8 D (SHIELDED) HT1B 26 F OX2A 11 B HT2A 3 B OX1A 12 B HT1A 4 B TC 5 D E1 17 B (SHIELDED)

B

(SHIELDED)

PB

BR

E3

BR

GR

(SHIELDED)

W

W

Y

CR B B

C

PB

D D

11 EA4

10 EA4

3 EA4

(SHIELDED)

J38 JUNCTION CONNECTORPB


(SHIELDED)

GR

W



3OX +B 2

1HT E1 4

3OX +B 2

1HT E1 4

3OX +B 2

1HT E1 4


12 EA1 BR

4OX1 +B 12

11TC

YG

3E1

BR

BR

BR

BR

BR

BR

C3 CHECK CONNECTORBR

BR BR B

E2 E1

BR BR

E2 E1

BR BR

E2 E1

BR

BR

E1

BR B

162

BR

E2

BR

E2

BR

A10 ACCEL POSITION SENSORBR

3


BR

1


4

2

1

1

2

3

2

YG

LY

E2

BR

14 B THW

15 B VPA

16 B VPA2

2 B VC

LY

23 B VTA

24 B VTA2

E2 A , E3 B , E4 C , E5 D , E6 E , E7 F ENGINE AND ECT ECUNE+ 23 A (SHIELDED) NE 22 A G2 10 A KNK1 28 A KNK2 27 A

A

A

A

A(SHIELDED) GR W Y L

(SHIELDED)


E3 (SHIELDED) (SHIELDED)

W

B

ABR

AA

A

Y

L

K1 KNOCK SENSOR 1

BR

1

2

2

1

C4 CRANKSHAFT POSITION SENSORBR B

C1 CAMSHAFT POSITION SENSOR

E1 B

BR

EC

K2 KNOCK SENSOR 2

1

1

(SHIELDED)

(SHIELDED)

YR B

LR

LY

LY

L

BR

4

163

ENGINE CONTROL (RHD)

FROM A/C COMP RELAY

1

IN1 7

IN2 6

IN3 5

IGF 4

MPX1 19 2


I1 IGNITER

B5 BODY ECU NO. 1


TXCT 4

RXCK 3

CODE 2

LO

BW

10 EB1

LO

11 A IGT

12 A IGT2

13 A IGT3

25 A IGF

13 D ACMG

28 D MPX1

5 C SP2+

11 C SP2

21 F TXCT

22 F RXCK

23 F CODE

E2 A , E3 B , E4 C , E5 D , E6 E , E7 F ENGINE AND ECT ECUOCV+ 18 A OCV 17 A SIL 11 E ME01 9 A E01 21 A E02 31 A E03 1 B

WG

WR

RW

D


D

WB

GB WB

BR

BY

LR

RL

BL

LY

W

B

1

2

WG

7SIL

D2 DLC3BAT 16 CG 4

C2 CAMSHAFT TIMING OIL CONTROL VALVE

B

WB

B

IG

ED

EC

164

WB

BR


1

15A STOP

15A ETCS

2


8 1H

1 L

W

TRC+ 24

TRC 16

ENG+ 14

ENG 22

NEO 7 2

S12 STOP LIGHT SW1

VY

6 IA2

3 ID1

GR

LG

GW

P

V

L

B


13 E TRC+

20 E TRC

14 E ENG+

21 E ENG

15 E NEO

GW

6 D STP

7 E BM

27 D MPX2

E2 A , E3 B , E5 D , E6 E , E7 F ENGINE AND ECT ECUEC 22 E EOM 9 F CL+ 20 A CL 19 A M+ 8 A M 7 A GE01 30 A PS 16 A W 6 E

E4

P1 POWER STEERING OIL PRESSURE SW

2

(SHIELDED)

GR

YR

W

B

1

WB

3

4

2

1 4 EA1

WB

GRR

WB

WB

L

L

B

VY

GRR

T2 THROTTLE CONTROL MOTORE4 WB

WBEB

165

ENGINE CONTROL (RHD)

1 : W/ LEXUS NAVIGATION SYSTEM 2 : W/O LEXUS NAVIGATION SYSTEM FROM POWER SOURCE SYSTEM (SEE PAGE 134)

10A GAUGE

4 1D L

5MPX+ MPX 16



1 A

LR

2

MPX2 8

M2 MULTI DISPLAY

(2)

W

MPX1

(1)

CPU

(1)

CHECK ENGINE

10 ID1 2 B 12 B 22 A 8 B

W

W

WB

GR

W


7MPX1 MPX2 6 5 1D 17 IJ1 7 IJ1 11 IJ1

L

GRR

L

13 1F

6 1G

WB

GRR

J37 JUNCTION CONNECTORB

WB

WB

B


A

WB

O

RL

A A


IF

166

ENGINE IMMOBILISER SYSTEMFROM POWER SOURCE SYSTEM (SEE PAGE 134)

1

25A EFI

2 1 BY

BY

BY

15 IA2


BY

BY

BY

1

1 10 E 1 E BATT

BY

E6 E , E7 F ENGINE AND ECT ECU

1

5 EFI RELAY

MREL

2

3

TXCT 21 F

RXCK 22 F

CODE 23 F

KSW 10 F

IMLD 20 F

Y

BW

GB

LR

WB

BR

TXCT

RXCK

CODE A A (LHD) B B (RHD)

V

4ANT1

3

2

(RHD)



A A (LHD) B B (RHD)

VB B

1

1

(LHD)


TRANSPONDER KEY COIL

Y


2

ANT2 +B 1 GND 5

2


BR

U1 UNLOCK WARNING SW1 WB (LHD)


(RHD)

WB

I1

AA

(LHD)

WB

(LHD)

WB

A

A

BR

V

2

(LHD)

1

V

(RHD)

(RHD)

(LHD)

WB

6 2G A


A


EE

II

(LHD)

WB

IG

172

TO COMBINATION METER

A

WB

WB

13 2F

(LHD)

A


A

WB

A


A

WB

WB


5

R8 SECURITY INDICATOR [RHEOSTAT]

FRONT FOG LIGHT

1 : EXCEPT AUSTRALIA 2 : AUSTRALIA FROM POWER SOURCE SYSTEM (SEE PAGE 134)

10A TAIL

15A FR FOG

3 1G


D A (LHD) C B (RHD)

D A (LHD) C B (RHD)

3 1H

G

G

1FOG RELAY 2

3

B6 A BODY ECU NO. 2

5

5FFGO 9 1H 10 1B

11

17 A

(RHD)

GW

RB

13 1F

6 1G

RB

2

II4

C13 A , B FRONT FOG LIGHT SW [COMB. SW]

2

F1 FRONT FOG LIGHT LH

12 A (1) 12 B (2)

2

(RHD)

(RHD)

(LHD)

(LHD)

WB

WB

WB

WB

F2 FRONT FOG LIGHT RH

1

1

11 A (1) 16 B (2) WB (LHD)

(RHD)



B

A

A


AWB


B

A

A

A

(RHD)

(RHD)

(LHD)

(LHD)

WB

WB

WB

WB

(RHD)


A

A

A


A

A

J42 JUNCTION CONNECTORII EB EE EA

IF

II

188

(LHD)

WB

WB

(LHD)

WB

WB

(LHD)

RB

(LHD)

GND

FFOG

RB

FUEL LID OPENERFROM POWER SOURCE SYSTEM (SEE PAGE 134)

10A FUEL OPN

6 1F

LO2

F8 FUEL LID OPENER SW1

16 IC3

LW2 M 3

LW

F14 FUEL LID OPENER MOTOR

WB

AWB

A


BJ

BK

546

J GROUND POINT (LHD)EFI RELAY 1 WB WB WB STARTER RELAY 1 WB WB 1 ENG MAIN RELAY 1 WB WB I5 BR FRONT SIDE TURN SIGNAL LIGHT RH FRONT TURN SIGNAL LIGHT RH FRONT CLEARANCE LIGHT RH FRONT FOG LIGHT RH

WB

I5

WB

WB

I5

WB

WB

I5

WB

HEADLIGHT BEAM LEVEL CONTROL ACTUATOR RH

WB

AABS SOL RELAY 2 WB


I5

WB

(PHG)

AA

WB

(PLG) ABS & TRC & VSC ACTUATOR

WB

WB

WB

WB

HEADLIGHT CONTROL ECU RH

WB (5) BR

(GND1)

(GND2)

HEADLIGHT RH (LOW)

WB (6) EE

BR WB EA (1) HEADLIGHT RH (HIGH)

CRUISE CONTROL SW [COMB. SW]

BR

9 ID1

BR (4)

HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) HEATED OXYGEN SENSOR (BANK 2 SENSOR 1) ENGINE OIL LEVEL SENSOR

BR

EHEATED OXYGEN SENSOR (BANK 2 SENSOR 2) BR (4) E

E1

BR (4) BR (4) BR (3)

BR

D DBR

7 EA3

BR (4)

BR

BRE1

E


E1

BR (4)

A AA

A/C MAGNETIC CLUTCH AND LOCK SENSOR CHECK CONNECTOR

BR

(4)

BR


J2 JUNCTION CONNECTOR A AA

(3)

BR

BR (3)

(E1)

BR

A

BR (4)

E1

BR (4) WB (E01) ENGINE AND ECT ECU

BR

(4)

BR

BR

(ME01)

BR (4) BR (3)

E1

WB

(E02)

(E03)

IGNITER

BR

BR (3) ED EC

618

WB

(4)

BR

1 : W/ DAYTIME RUNNING LIGHT 2 : W/O DAYTIME RUNNING LIGHT 3 : G. C. C. 2 EB2 2 EB1 4 EA1 WB

4 : EUROPE 5 : HID TYPE 6 : EXCEPT HID TYPE

FAN NO. 2 RELAY

3

WB

WB

BR

FRONT TURN SIGNAL LIGHT LH HEADLIGHT LH (HIGH)

FAN NO. 3 RELAY POWER STEERING OIL PRESSURE SW HEADLIGHT CLEANER RELAY HEADLIGHT CLEANER MOTOR BRAKE FLUID LEVEL WARNING SW FRONT WIPER MOTOR FRONT SIDE TURN SIGNAL LIGHT LH (EC) ENGINE AND ECT ECU (EOM)

3

WB

WB

E4

E4

WB (1) WB

WB

WB

WB

WB

E4

E4

RADIATOR FAN MOTOR

WB

WB

E4

E4

WB

WATER TEMP. SW A/C DUAL PRESSURE SW EXHAUST GAS SENSOR FRONT CLEARANCE LIGHT LH FRONT FOG LIGHT LH ENGINE HOOD COURTESY SW

WB

WB

WB

E4

E4

WB

WB

WB

WB

E4

E4

WB (4) WB

WB

WB

E4

WB

WB

WB

WBE4

E4

E4

WB

WB

WB

WB

E4

E4

WB

WB

WB

E4

WB

E4

WB

HEADLIGHT BEAM LEVEL CONTROL ECU

WB

WB

WB

E4

WB

HEADLIGHT BEAM LEVEL CONTROL ACTUATOR LH

WB WB

WB

WASHER LEVEL WARNING SW HEADLIGHT CONTROL ECU LH HEADLIGHT LH (LOW) WB

WB

ACENTER AIRBAG SENSOR ASSEMBLY (E2) (GND1) ABS & TRC & VSC ECU (GND2) O WB

A

EB

(5) WB

WB

A

A

WB

(6)

WB 11 IE1 WB IF

J8 JUNCTION CONNECTORWB

COMBINATION METER TILT AND TELESCOPIC ECU (ECUE)

A

A

WB

A AWB WB


A

WB

PPS ECU LUGGAGE COMPARTMENT DOOR OPENER SW DLC3 TURN SIGNAL FLASHER TILT AND TELESCOPIC ECU (GND) KICK DOWN SW WB

REAR FOG LIGHT SW

WB

B

A

WB

SEAT HEATER SW DAYTIME RUNNING LIGHT RELAY HEADLIGHT BEAM LEVEL CONTROL SW MIRROR HEATER LH

WB

B

B

WB

A

A

WB

WB

B


A

WB

WB

B3 IB1 4 IB1 12 IE1

A

WB

WB

WB

A

A

WB (4)

DRIVER DOOR ECU HIGH BEAM INDICATOR LIGHT [COMB. METER]

WB

WB

AA

A

WB

P (1)

WB (1)

619

J GROUND POINT (LHD)HAZARD SW A/C CONTROL ASSEMBLY MULTIDISPLAY WB 2 3C 2 3E 2 3H 2 3G WB 5 1C 9 1F WB

A

A

WB

HEADLIGHT BEAM LEVEL CONTROL SW HEADLIGHT CLEANER SW REAR FOG LIGHT SW ECT PATTERN SELECT SW REMOTE CONTROL MIRROR SW SEAT HEATER SW CIGARETTE LIGHTER ILLUMINATION A/T SHIFT POSITION ILLUMINATION

WB

A

WB

WB

A

WB (4)

A

WB


A

WB

A

WB

A

WB

MOON ROOF CONTROL ECU MOON ROOF CONTROL SW PERSONAL LIGHT

WB A B2

A

WB

WB

WB

WB

B2

WB

WB

VANITY LIGHT LH

WB

B2

WB

VANITY LIGHT RH INTERIOR LIGHT REAR LH INTERIOR LIGHT REAR RH INNER MIRROR WB

WB

WB

WB

WB

WBB2 WB

WB

WBB2

WBB2

WBB2

5 2D WB WB 13 2F 6 2G WB

IG RELAY

NOISE FILTER

BODY ECU NO. 1 FRONT FOG LIGHT SW [COMB. SW] DIMMER SW [COMB. SW] LIGHT CONTROL SW [COMB. SW] TURN SIGNAL SW [COMB. SW] WB WB WB

NOISE FILTER KEY INTERLOCK SOLENOID UNLOCK WARNING SW STEERING SENSOR [COMB. SW] FRONT WIPER AND WASHER SW [COMB. SW] TRANSPONDER KEY AMPLIFIER

I1

WB

WB

I1

WB

WB

WB

I1

WB

WB

WB

I1

WB

WB

WB

I1

WB

620

4 : EUROPE 4 IK1 3 IK1

7 : W/ DRIVING POSITION MEMORY 8 : W/O DRIVING POSITION MEMORY 5 3B 5 3C 5 3E

FRONT PASSENGER DOOR ECU MIRROR HEATER RH

WB

WB

WB

CLOCK

WB

WB

I6

WB

HAZARD SW A/C CONTROL ASSEMBLY GLOVE BOX LIGHT SW

HEATER RELAY SHIFT LOCK CONTROL ECU (E) VSC OFF SW (ILL)

4 WB

WB

WB

I6

WB

WB

I6

5 3G

5 3F 5 1D

WB

WB

WB

WB

I6

6 1C

WB

COMBINATION METER

WB

WB

BODY ECU NO. 2 13 1F 6 1G WB

WB

POWER OUTLET

WB

WB

ECT PATTERN SELECT SW

WB

I6

I6

WB

(GND3) ABS & TRC & VSC ECU (GND4)

WB

CIGARETTE LIGHTER WB

WB

I6

WB

WB

A AA

A

A

A

WB


WB

WB

BLOWER MOTOR CONTROLLER

WB

3 IG1

WB

WB

WB

CENTER AIRBAG SENSOR ASSEMBLY (E1)

II

IG

WB

MULTIDISPLAY STEREO COMPONENT AMPLIFIER

WB

WB

CD AUTOMATIC CHANGER RADIO AND PLAYER

WB

WB

SEAT HEATER (DRIVER' S SEAT BACK) POWER SEAT ECU POWER SEAT CONTROL SW (DRIVER' S SEAT)

WB


IH

WB (7) WB (8)

A

A

J21 JUNCTION CONNECTOR AWB

WB

FUEL LID OPENER MOTOR

LUMBAR SUPPORT CONTROL SW (DRIVER' S SEAT)

WB

A12 BC1

A

WB

NOISE FILTER (REAR WINDOW DEFOGGER)

BUCKLE SW LH REAR DOOR LH ECU

WB

A9 BA1

A

WB 11 BC1

FUEL PUMP CONTROL ECU BR (7) WB

WB

AWB WB

BR (7)

WB

A

A

WB

BJ

BK

621

J GROUND POINT (LHD)B

7 : W/ DRIVING POSITION MEMORY

WB

SEAT HEATER (FRONT PASSENGER' S SEAT BACK)


B

WB

BUCKLE SW RH

B

WB

LUMBAR SUPPORT CONTROL SW (FRONT PASSENGER' S SEAT)

REAR DOOR RH ECU WIRELESS DOOR LOCK ECU NAVIGATION ECU

WB

10 BB1 WB

WB


B

WB

POWER SEAT CONTROL SW (FRONT PASSENGER' S SEAT)

A

B

WB

WB

A

WB

REAR DOOR RH ECU

TELEPHONE TRANSCEIVER AND SPEAKER RELAY

WB

A12 BD1

9 BB1

WB

CELLULAR PHONE (HAND SET) AUTO ANTENNA CONTROL RELAY AND MOTOR

WB

A

A

WB

BM

BL

POWER SEAT CONTROL SW (DRIVER' S SEAT) POWER SEAT ECU

BR WB BR B7 LUGGAGE COMPARTMENT DOOR KEY UNLOCK SW HIGH MOUNTED STOP LIGHT (LED TYPE) HIGH MOUNTED STOP LIGHT (BULB TYPE) REAR COMBINATION LIGHT LH REAR COMBINATION LIGHT RH LICENSE PLATE LIGHT LH LICENSE PLATE LIGHT RH REAR COMBINATION LIGHT LH REAR COMBINATION LIGHT RH LIGHT FAILURE SENSOR

BR

B4

WB (W/ REAR SPOILER) WB (W/O REAR SPOILER) WB

POWER SEAT POSITION SENSOR (DRIVER' S SEAT RECLINING CONTROL)

BR

B7

WB

POWER SEAT POSITION SENSOR (DRIVER' S SLIDE CONTROL)

BR

B7

WB

BR

WB

B4

B4

BR

B4

WB

WB

POWER SEAT POSITION SENSOR (DRIVER' S SEAT REAR VERTICAL CONTROL)

WB

BR

B7

B4

WB

BR

B4

WB

POWER SEAT POSITION SENSOR (DRIVER' S SEAT FRONT VERTICAL CONTROL) BR (7) WB

BR

B7

WB

B4

WB

WB

B4

WB

WB

B4

WB

622

WB

WB

A

J GROUND POINT (RHD)AEFI RELAY 1 WB WB FRONT WIPER MOTOR BRAKE FLUID LEVEL WARNING SW FRONT SIDE TURN SIGNAL LIGHT RH FRONT TURN SIGNAL LIGHT FRONT CLEARANCE LIGHT RH FRONT FOG LIGHT RH HEADLIGHT RH (LOW) HEADLIGHT CONTROL ECU RH 2 ABS SOL RELAY


A

WB

STARTER RELAY

1

WB

A

WB

HEADLIGHT BEAM LEVEL CONTROL ACTUATOR RH

WB

A

BR

A1 ENG MAIN RELAY 1 WB WB

WB

A A AWB

WB

WB(2)


A

WB(1)

A

WB

A

A

WB WB(AUSTRALIA)

(PLG) (GND1) ABS & TRC & VSC ACTUATOR

WB(AUSTRALIA)

BR(EUROPE)

BR(EUROPE)

WB

(PHG)

WB

WB

WB

WB(AUSTRALIA) BR(EUROPE)

(GND2)

WB

EA CRUISE CONTROL SW [COMB. SW] BR 2 II1

EE

BR

BR

AHEATED OXYGEN SENSOR (BANK 2 SENSOR 2) BR


A/C MAGNETIC CLUTCH AND LOCK SENSOR CHECK CONNECTOR

AA


A AA BR

BR

D DBR

7 EA3

BR

BR

E1

BR

ENGINE OIL LEVEL SENSOR

J28 JUNCTION CONNECTORHEATED OXYGEN SENSOR (BANK 1 SENSOR 1) HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) HEATED OXYGEN SENSOR (BANK 2 SENSOR 1) BR

BR

E1

BR

(E1)

BR

BR

E1

WB

(E01) ENGINE AND ECT ECU

BR

BR

E1

WB

(E02)

BR

BR

E1

WB

(E03)

BR

BR

(ME01)

IGNITER

BR

ED

BREC

626

1 : HID TYPE 2 : EXCEPT HID TYPE 2 EB1 2 EB2 4 EA1

FRONT CLEARANCE LIGHT LH FRONT TURN SIGNAL LIGHT LH FRONT FOG LIGHT LH ENGINE HOOD COURTESY SW WATER TEMP. SW

WB

WB

WB

3

FAN NO. 3 RELAY

BR

E4

E4

WB

WB

3

FAN NO. 2 RELAY POWER STEERING OIL PRESSURE SW (EC) ENGINE AND ECT ECU (EOM)

WB

WB

WB

E4

E4

WB

WB

WB

WB

WB

E4

E4

WB

WB

WB

WB

E4

E4

WB

RADIATOR FAN MOTOR

WB

WB

WB

E4

E4

WB

EXHAUST GAS SENSOR A/C DUAL PRESSURE SW WASHER LEVEL WARNING SW

WB

WB

WB

FRONT SIDE TURN SIGNAL LIGHT LH HEADLIGHT CLEANER RELAY HEADLIGHT CLEANER MOTOR

E4

E4

WB

WB

WB

WB

E4

E4

WB

WB

WB

E4

WB

E4

WB

HEADLIGHT BEAM LEVEL CONTROL ECU

HEATER RELAY

4

I2

WB

WB

WB

WB

POWER OUTLET

WB

WB

E4

WB

HEADLIGHT BEAM LEVEL CONTROL ACTUATOR LH

WB (1) WB

(E) CIGARETTE LIGHTER (ILL)

WB

WB

HEADLIGHT CONTROL ECU LH HEADLIGHT LH (LOW)

I2

WB

WB

I2

WB

(2) EB

WB

A/T SHIFT POSITION ILLUMINATION (E) ECT PATTERN SELECT SW (ILL) WB

WB

WBI2

A AWB 3 IE1 WB

WB

I2

WB

WB 3 IB1 4 IB1 WB

I2

WB

A

A

WB

WB

WB

BLOWER MOTOR CONTROLLER CENTER AIRBAG SENSOR ASSEMBLY(E2)

MIRROR HEATER LH FRONT PASSENGER DOOR ECU SHIFT LOCK CONTROL ECU (E) VSC OFF SW (ILL)

WB

I2

A

A

WB 2 3C 2 3E

WB

WB

I2


WB

WB

HAZARD SW A/C CONTROL ASSEMBLY MULTIDISPLAY

WB

I2

WB

WB

WB

WB

I2

WB

9 1F

5 1C

WB

2 3A

2 3H

WB

WB

B

B

WB

I9

WB

(E) HEADLIGHT BEAM LEVEL CONTROL SW

WB

(ILL)

(E) SEAT HEATER SW (ILL)

WB

I10

WB

B

WB

J37 JUNCTION CONNECTORB BWB WB

HEADLIGHT CLEANER SW

WB

627

J GROUND POINT (RHD)MULTIDISPLAY STEREO COMPONENT AMPLIFIER WB WB CD AUTOMATIC CHANGER RADIO AND PLAYER

WB

WB

IH

MOON ROOF CONTROL ECU MOON ROOF CONTROL SW PERSONAL LIGHT

WB


WB

TRANSPONDER KEY AMPLIFIER KICK DOWN SW

WB

B1

A

WB (EUROPE)

WB

WB

B1

A

A

WB

I9

WB

(E) REAR FOG LIGHT SW (ILL)

VANITY LIGHT LH

WB

WB

B1

A

WB

WB

WB

INNER MIRROR WB

WB

B1

WB

5 2D 6 2G

WB

INTERIOR LIGHT REAR RH

WB

WB

INTERIOR LIGHT REAR LH

WB

WB

WB

VANITY LIGHT RH

WB

WBB1

B1

WB

LIGHT CONTROL SW [COMB. SW] DIMMER SW [COMB. SW] TURN SIGNAL SW [COMB. SW] FRONT FOG LIGHT SW [COMB. SW] FRONT WIPER AND WASHER SW [COMB. SW] STEERING SENSOR [COMB. SW] O COMBINATION METER

B1

13 2F

I8

WB

I8

WB

WB

I8

WB

WB

BODY ECU NO. 1

I8

WB

WB

IG RELAY

I8

WB 11 IJ1

NOISE FILTER

WB

NOISE FILTER WB 5 3B 5 3C 5 3E 5 3F 5 3A WB 6 1C 6 1G

A A A A

WB

CLOCK

WB



HAZARD SW A/C CONTROL ASSEMBLY GLOVE BOX LIGHT SW BODY ECU NO. 2 WB

WB

A

WB

WB

A

WB

TILT AND TELESCOPIC ECU (GND) WB

WB

WB

A

A

II WB 13 1F 5 1D WB

COMBINATION METER

628

LUGGAGE COMPARTMENT DOOR KEY UNLOCK SW LICENSE PLATE LIGHT RH LICENSE PLATE LIGHT LH REAR COMBINATION LIGHT RH REAR COMBINATION LIGHT LH LIGHT FAILURE SENSOR HIGH MOUNTED STOP LIGHT (BULB TYPE) HIGH MOUNTED STOP LIGHT (LED TYPE) REAR COMBINATION LIGHT RH REAR COMBINATION LIGHT LH NOISE FILTER (REAR WINDOW DEFOGGER) FUEL LID OPENER MOTOR FUEL PUMP CONTROL ECU

WB

WB

B4

A

WB

WB

WB

WB

SEAT HEATER (FRONT PASSENGER' S SEAT BACK)

B4

WB

WB

B4


B4

A

WB

WB

POWER SEAT CONTROL SW (FRONT PASSENGER' S SEAT)

A

WB

WB

B4

LUMBAR SUPPORT CONTROL SW (FRONT PASSENGER' S SEAT)

WB

WB

WB (W/O REAR SPOILER) WB (W/ REAR SPOILER) WB

B4

AA

WB

BUCKLE SW LH

WB

WB

B4

WB

WB

12 BC1

WB

B4

WB

REAR DOOR LH ECU

9 BA1

WB

AWB

A

A

WB

WB

A

BJ

WB

A


BK

TURN SIGNAL FLASHER KEY INTER LOCK SOLENOID TILT AND TELESCOPIC ECU (ECUE) REMOTE CONTROL MIRROR SW DLC3 WB

5

WB

I8

WB

WB

PPS ECU LUGGAGE COMPARTMENT DOOR OPENER SW UNLOCK WARNING SW WB DRIVER DOOR ECU

WB

WB

I8

WB

WB

WB

I8

WB 4 IL1 3 IL1

WB

WB

I8

WB

WB

WB

I8

WB

WB

MIRROR HEATER RH

WBIG

WB

CENTER AIRBAG SENSOR ASSEMBLY (E1)

WB

629

J GROUND POINT (RHD)POWER SEAT POSITION SENSOR (DRIVER' S SEAT RECLINING CONTROL) BR

3 : W/ DRIVING POSITION MEMORY 4 : W/O DRIVING POSITION MEMORY

A

WB

SEAT HEATER (DRIVER' S SEAT BACK)


POWER SEAT POSITION SENSOR (DRIVER' S SEAT FRONT VERTICAL CONTROL)

BR

B7

A

WB

BUCKLE SW RH

BR

BR

POWER SEAT POSITION SENSOR (DRIVER' S SEAT REAR VERTICAL CONTROL)

A

WB

BR

B7

LUMBAR SUPPORT CONTROL SW (DRIVER' S SEAT)

BR

A

WB (4)

POWER SEAT POSITION SENSOR (DRIVER' S SEAT SLIDE CONTROL)

BR

B7

11 BD1

POWER SEAT CONTROL SW (DRIVER' S SEAT)

BR

A(3) BR

WB (3)

POWER SEAT CONTROL SW (DRIVER' S SEAT) POWER SEAT ECU

BR

POWER SEAT ECU WB

B7

BR 10 BB1 WB

A

REAR DOOR RH ECU

REAR DOOR RH ECU WIRELESS DOOR LOCK ECU NAVIGATION ECU

WB

WB

A

WB

A

9 BB1

A

12 BD1

WB

TELEPHONE TRANSCEIVER AND SPEAKER RELAY

WB

A


CELLULAR PHONE (HAND SET) AUTO ANTENNA CONTROL RELAY AND MOTOR

WB

A

WB

A

A

WB

BM

BL

630

WB

WB

A

HEADLIGHT BEAM LEVEL CONTROL (AUTOMATIC)FROM POWER SOURCE SYSTEM (SEE PAGE 134)

15A ECUIG

10A GAUGE

5 1H BR (RHD)

4 1D

RL

(LHD)

C11 HEADLIGHT BEAM LEVEL CONTROL WARNING LIGHT[COMB. METER]

E


1


H24 HEIGHT CONTROL SENSOR (REAR)

E

BR

B(RHD)


FLO 18 3 3

SHB 2

SHRL 1

SHG

BR

GB

J31 JUNCTION CONNECTOR(LHD) BR

C I 1 : LHD I 8 : RHD BR I 1 : LHD I 8 : RHD


BR (RHD)

LY

2 IC3

10 IC3

11 IC3

LO

BL

LB

C

B

BR

BR

BR

1 A IG RH1 8 A

8 B LHB1 RH2 7 A RH3 6 A

3 A WNG RH4 5 A

H3 A , H4 B HEADLIGHT BEAM LEVEL CONTROL ECU

2 A SPDL

5 B SBR SBF 1 B

6 B SHR SHF 2 B

7 B SGR SGF 3 B

4 B HDLP E1 4 A

RW

3 II2 7 IK3

2 II2 8 IK3

11 II2 17 IK3

1 II2 9 IK3

10 II2 (LHD) 18 IK3 (RHD)

RW

GO

PG

BR

5

4

1

6

RB

3

4

1

6

3

2

1SHB

2SHFL

LW

GY

LY

4SHG

LH1 LH2 LH3 LH4 LHB1 HEADLIGHT BEAM LEVEL CONTROL MOTOR

H5 HEADLIGHT BEAM LEVEL CONTROL MOTOR

H17 HEIGHT CONTROL SENSOR (FRONT)

534

WBEB

WB

GO

PG

BR

RB

RG

GB

LO

BL

LB

1 : EXCEPT AUSTRALIA 2 : AUSTRALIA FROM POWER SOURCE SYSTEM (SEE PAGE 134)

1

40A MAIN

2

4HEAD LP RELAY 3 1

2

1 1

RG


RG

CRG

CC


9 A

B6 A BODY ECU NO. 2

RG

HRLY GND HEAD 15 A

RB

11

6 1G WB

13 1F

RB

(LHD)

14 A (1) 14 B (2)

(RHD)

TAIL HEAD

C13 A , B LIGHT CONTROL SW[COMB. SW]16 A (1) 9 B (2) WB (RHD)

A


B

(RHD)

(LHD)

WB

WB

WBB

OFF


(LHD)

WB

A

A

A


A AWB (LHD) IF

(LHD)

WB

A

A

J42 JUNCTION CONNECTORII II

A

(RHD)

(LHD)

WB

WB



535

HEADLIGHT BEAM LEVEL CONTROL (MANUAL)FROM POWER SOURCE SYSTEM (SEE PAGE 134)

115A HLP L LWR 2 1 Y(LHD) R(RHD)

1 IA1

10 IA1

(RHD)

(LHD)

RY

RY

(RHD)

(LHD)

RY

Y

A A (LHD) A B (RHD)

J11 A , J33 B JUNCTION CONNECTORR(RHD)

A A A B

A A (LHD) A B (RHD)

RY

RY

H21 HEADLIGHT BEAM LEVEL CONTROL SW

1B

3SOURCE SIGNAL 2 GND 1

H2 HEADLIGHT BEAM LEVEL CONTROL ACTUATOR RH

H1 HEADLIGHT BEAM LEVEL CONTROL ACTUATOR LH

3SOURCE SIGNAL 2 GND 1

E 2

RH+ 5

LH+ 4

RW


(RHD)

(LHD)

WB

RB

Y(LHD)

RW

WB

WB

4 II2 (LHD) 12 IK3 (RHD) B


RW

WB

B

A(LHD) (LHD) WB WB

(RHD)

B


B

J10 JUNCTION CONNECTOR WBAA

(RHD)

WB

A

J 8 (LHD) , J32 (RHD) JUNCTION CONNECTORIF EB EA EE

540

(LHD)

(RHD)

WB

HEADLIGHT CLEANERFROM POWER SOURCE SYSTEM (SEE PAGE 134)

140A HLP CLN 2 1 3 1F

20A WASHER

LOA

L

6 IA1 (LHD) 9 IA1 (RHD) A


H6 HEADLIGHT CLEANER CONTROL RELAY

LO

L

LO

1

L

5

B

2

B1 M 2

H7 HEADLIGHT CLEANER MOTOR

WB

E4

WB

3

4

LB

WB

H22 A , B HEAD LIGHT CLEANER SW 4 4 2 1 B A A B

RG (LHD) (RHD)

RG

EB

530

1 : W/ DAYTIME RUNNING LIGHT 2 : W/O DAYTIME RUNNING LIGHT FROM POWER SOURCE SYSTEM (SEE PAGE 134)

3 : EXCEPT AUSTRALIA 4 : AUSTRALIA

1

40A MAIN

2

4HEAD LP RELAY 3 1

2

1


RGC RG

RG

CC


RG

5HLP

9 A

RG

D1 DAYTIME RUNNING LIGHT RELAY

HRLY HEAD 15 A GND 11

(2)

(1)

RG

H 4 R (1)

B6 A BODY ECU NO. 2

RB

6 1G

13 1F

14 A (3) 14 B (4) OFF TAIL


RG

WB


A

WB (LHD) A

WB

A

B

B

(RHD)

(RHD)

(LHD)

(LHD)

WB

WB

WB

WBA


A

A


A

A

IF

II

II

IF



C13 A , B LIGHT CONTROL SW [COMB. SW]

16 A (3) 9 B (4)

(RHD)

(RHD)

(LHD)

(LHD)

WB

WB

WB

HEAD

531

17640A MAIN14

HEAD LP RELAY

2

3

C

C

1

4

BLII2 1 1

RG

J15 JUNCTION CONNECTOR RGRG

1

2

BATTERY1

H8 HEADLIGHT CONTROL ECU LH2

RB

1

WB (1)

RY

(1)

H11 HEADLIGHT LH (LOW)15A HLP L LWR

J11 JUNCTION CONNECTORAA

1

1

2 2

WB Y1

RY (2) 15A HLP R LWR (2)

RY

RB1

1 IA1

HEADLIGHT (w/ DAYTIME RUNNING LIGHT)

EB

(2)

H13 HEADLIGHT RH (LOW)12

1

2

WB1

RL (2)

EE 2

(2)

H9 HEADLIGHT CONTROL ECU RHRL (1)7 2

1

WB

(1) RW RWII4

30A DRL NO. 1

1

RW1

1 EB1

DIMMER DRL NO. 2 RELAY

1

2

3 3 RW

3

5

3 3 RY 8 EB1

WR

RY

RY

H10 HEADLIGHT LH (HIGH)2

WR

2

1

1

WB

RG

RG3

3

12 EB1

15A HLP L UPR

H12 HEADLIGHT RH (HIGH)2

1

10 IA1

3 EB1

WB

R

R

EA

R

C11 A , C12 B HIGH BEAM INDICATOR LIGHT [COMB. METER]R R R11 IE2 15 A 7 EB1

15A HLP R UPR

1

2

WB

P

3

7 B

12 IE1

RG

RY

1 : HID TYPE 2 : EXCEPT HID TYPE FROM POWER SOURCE SYSTEM (SEE PAGE 134) RG

5RY TAIL RELAY

1120A ALT

110A GAUGE 5A ECUB24 1H 7 2F

TO ILLUMINATIONS

3

2 2 1

B7 1H 2 1H 1 1A B


WR

RL

W

7. 5A PANEL

C


C

LGR

14DIM

5HLP

7TOUT CHG

9INTB H 4

3TAIL T 2 HF 6 HI 13

1IG E 10

12+B

D1 DAYTIME RUNNING LIGHT RELAY

8

13 1H

WB

GO

YR

R

B10 A 9 A HRLY HEAD 15 A

6TRLY

B6 A BODY ECU NO. 2

ALTL GND 11


WL

RB

B

TAIL 2 A

RB

6 1G

13 1F

14LIGHT CONTROL SWOFF TAIL HEAD LOW HIGH FLASH 16 A

15

RY

9

8

C13 COMBINATION SWWB

WB

WB

DIMMER SW

17

WB


WB

AI1 WB WB

A

A AA

WB

WB



A

WB

A


IF

II

WR

GR

RG

RY

RL

LG

177

HEADLIGHT (w/o DAYTIME RUNNING LIGHT)RB

RG

J15 (LHD) , J40 (RHD) JUNCTION CONNECTOR C CC

RG

9 A HRLY

RG

RG

HEAD 14 II2 (LHD) 5 IA2 (RHD) 15 A 11

GND

B6 A BODY ECU NO. 2

6 1G

13 1F

RG

RB

RG

RB

1

1 WR WR

HEAD LP RELAY

1

3

LIGHT CONTROL SW

OFF TAIL

A

2

4

A B

240A MAIN DIMMER SW

LOW HIGH

B FLASH 16 A 9 B (4) 17 A (3)

1 1

WB

BL

BATTERY

A

(LHD)

WB

(RHD)

A

(LHD)

WB

A

A

J 8 (LHD) , J42 (RHD) JUNCTION CONNECTOR WB A

A

(RHD)


WB

I 1 : LHD I 8 : RHD

(LHD)

WB

WB

WB

IF : LHD II : RHD

II

IF

182

J37 JUNCTION CONNECTORJ32 JUNCTION CONNECTOR

HEAD

C13 A , B COMBINATION SW


14 A 14 B

9 A 8 A (3) 1 B 2 B (4)

(RHD)

(LHD)

WB

WB

WB

RB

WR

10A HLP L UPR

C 22

H10 HEADLIGHT LH (HIGH)11 C

C

P1 1

WR

WR RG W

C

12 IE1 (LHD) 12 IJ1 (RHD) 5 IA1 (LHD) 2 IA1 (RHD) WR

J29 JUNCTION CONNECTORR

C11 A , C12 B HIGH BEAM INDICATOR LIGHT [COMB. METER]11 IE2 (LHD) 11 IJ2 (RHD) 4 II4 (LHD) 4 IA1 (RHD) 15 A 7 B


H12 HEADLIGHT RH (HIGH)22 1 1

10A HLP R UPR

1


WR R

A

A

WB P R R

WB

EE

(RHD)

(RHD 2)

RB

H13 HEADLIGHT RH (LOW)2 1 2

15A HLP R LWR

1

WB

RL1

EE

(LHD 2) WB (RHD 1) WB (LHD 1) RY (4, 5 1)

(2)

H9 HEADLIGHT CONTROL ECU RH1 2

RL (1)

LR (RHD)2

H11 HEADLIGHT LH (LOW)2 1

15A HLP L LWR

1

WB (2)

RY (4, 5 2)

Y1

1

1 : HID TYPE 2 : EXCEPT HID TYPE 3 : EXCEPT AUSTRALIA

1 IA1 (LHD) 10 IA1 (RHD)

EB

(LHD)

RY (6 2)

RY (6)

A A (LHD) A B (RHD)

A A (LHD) A B (RHD)

WB

(1)

2

4 : AUSTRALIA 5 : G. C. C. 6 : EUROPE

H8 HEADLIGHT CONTROL ECU LH

1

RY (6 1)


183

HORNFROM POWER SOURCE SYSTEM (SEE PAGE 134)

1

10A HORN

2 1

G

G

2

2

1

5HORN RELAY

2 2

3 2


GB

B

B

B GB (RHD) I8 GB (AUSTRALIA) 1 1

(LHD)

GB

H19 HORN RH

H18 HORN LH


A AA GB (G. C. C. )

(RHD)

(LHD)

GB

GB

1HORN

B5 BODY ECU NO. 1

6

C15 HORN SW [COMB. SW]

528

288A 111

A

WBIG GND

WB

13 1F

INTERIOR LIGHT (LHD)

II 2 1E

J8 JUNCTION CONNECTORBR15A ECUIG 6 1G

J18 JUNCTION CONNECTORWB5 1H

A

IF

BR

8

13 A

4 2F

9 2D

6 1H

G GWBECU ILE I1

G

G

G

1 1E

16

17

GW

2

1

LYI1 IJ2

LY

G

G

B6 A BODY ECU NO. 2

LY2 I1

IJ2

S7 STEP LIGHT RH911 1H

LO

MPX1

G

1

G


I1 G 1

S6 STEP LIGHT LH

LY

2

LY19 A

G WMPX2

I1 2

I11 IGNITION KEY CYLINDER LIGHT

LY

1

8 IC1

LY R

LY

I1

L7 LUGGAGE COMPARTMENT LIGHTLY LY

LY

12 2H

3

G

10A DOME

DOOR

OFF7 2D

ON

1

LY

LY

LYB2

2 5 2E R 2 1

WB

P6 PERSONAL LIGHT

2

GR

R

LY

W

BR

BR

LO

LY

GW

GW

WB

L5 LUGGAGE COMPARTMENT DOOR COURTESY SW

D3 DIODE (LUGGAGE COMPARTMENT DOOR OPEN DETECTION)


LY BR BR GW GW LO BR BR GW GW LO

W

10 IJ1 LY LY

W (2)

LY

B2

B2

B2

LY

LY

LY


1

1

LY

1

1

7MPX1

8MPX2

(1) (1)

W

W

I15 INTERIOR LIGHT REAR RH

I14 INTERIOR LIGHT REAR LH

V6 VANITY LIGHT LH

V7 VANITY LIGHT RH

MPX2 6

MPX1 2

W

L

2

2

LR

M2 MULTIDISPLAY A16 A/C CONTROL ASSEMBLY(2) W

3

2

3

2 8 IE1 17 IE1

WB

WB

WB

WB

RG

RB

16MPX

W

W

4 2D

2 2D

MPX+ 5

116 2H 4 2H

2

RG

RB

C12 COMBINATION METER

L

LY 3 IJ1 L RB RG

WB

B2

WB

B2

WB

B2

WB

B2

WB

289

INTERIOR LIGHT (LHD)FROM POWER SOURCE SYSTEM (SEE PAGE 134)

115A RADIO NO. 2

10A MPXB

2 1 BR BR 10 1H BR BR

GW

BR BR GW GW LO I6

GR

J7 JUNCTION CONNECTOR B B

B BBR B

B

BR

BR


GW GW LO GW BR

GW

GW

GW

BR

BR

D


4 2G

8 2B

1 2E

11 2F

2 2E

D

GR


8BECU

1IG

15 A ACC

B5 A BODY ECU NO. 1MPX1 19 A GND 11 RCO 5 A RDA 6 A RSSI 4 A MPX2 9 BSUB 4

LGR

5 2D

6 2G 13 2F 6 IL3 18 IL3 17 IL3

LG

P

11 2H

2 2F

W

LGR

WB

WB

WB

LO

MPX1 MPX2 27

E5 ENGINE AND ECT ECU

RCO +B 7

RDA

RSSI GND 1

A

LY

W6 WIRELESS DOOR LOCK ECU

28

A


3

4

5

LB

LG

P

20A P FR DOOR

LY L RB RG

LB LO RB RG

WB

WB

WB

A


WB

A


II

BM

290


20A D FR DOOR

2 1F BR BR BR BR

BR

GW GW

I6

GW

O GW

GW

BR

LB

LO GW BR

O

15 IC3

O GW BR

6 IB1

13 IB1

1 IB1

5 IB1

7 IB1

13 IK1

1 IK1

6 IK1

GW

GW

BR

BR

LO

LB

O

9 C MPX1

2 C SIG

3 C CPUB

1 A BDR

18 C MPX2

2 A SIG

3 A CPUB

9 A MPX1

D18 A , D19 B , D20 C DRIVER DOOR ECUCTY 15 B CTYE CTYB 14 B 10 A CYL 12 A GND 12 C BDR 1 C MPX2 18 A

F11 A , F12 B , F13 C FRONT PASSENGER DOOR ECUCTY 15 B CTYE CTYB 14 B 10 C CYL 12 C GND 12 A

RW

O

RW

WB

WB

WB

D4 DOOR COURTESY LIGHT FRONT LH

D8 DOOR COURTESY SW FRONT LH

2

1

4 IB1

5 IK1

7 IK1

2

D9 DOOR COURTESY SW FRONT RH

1

D5 DOOR COURTESY LIGHT FRONT RH

4 IK1

RW


A

RW

WB

WB

A

A

A

LB LO RB RG

WB

WB

WB

A


J18 JUNCTION CONNECTORRB RG

1

WB

LO

LB

2

2

1

WB

WB

RG

RG

RY

RY

LO

LB

291

INTERIOR LIGHT (LHD)FROM POWER SOURCE SYSTEM (SEE PAGE 134)

20A D RR DOOR

20A P RR DOOR

BR

J16 JUNCTION CONNECTOR AA

6 1E

6 2E

LO

LO

BR

LR

O GW O GW BR

O

LO

16 GW BR

IL1

15

IL3

8 BA1

6 BA1

11 BA1

2 BA1

11 BB1

6 BB1

3 BB1

2 BB1

8 BB1

GW

GW

BR

BR

LO

5MPX1

15CPUB

9SIG

14BDR

4MPX2

9SIG

15CPUB

4MPX2

14BDR

R13 REAR DOOR LH ECURRLP 12 CTY 8 CTYE 18 CTYB 2 CYL 7 GND 25 RRLP 12 CTY 8

R14 REAR DOOR RH ECUCTYE 18 CTYB 2 CYL 7 SEL1 20 GND 25

RW

RW

WB

WB

WB

LO

LR

LR

O

O

LO

LR

O

5MPX1

WB

D6 DOOR COURTESY LIGHT REAR LH

D10 DOOR COURTESY SW REAR LH

2

1

2

D11 DOOR COURTESY SW REAR RH

4 BA1

9 BA1

4 BB1

D7 DOOR COURTESY LIGHT REAR RH

10 BB1

9 BB1

1

WB

RG

RB

2

2

1

1

R

13 IC3

5

IL3

RW

WB

WB

WB

RB RG

WB


A

BJ

BM

292

WBBL

RG

WB

LW

RG

LW

RB

RY

R

3 : W/ DRIVING POSITION MEMORY 4 : W/O DRIVING POSITION MEMORY

LO

LO 3 BA1 2 IC2

10 BC1

3 BC1

O (4)

LO

(3)

LO

LY

11MPX2

10MPX1

P19 POWER SEAT ECU

(3)

O

293

298B 111 13 1F

B

A

WBIG GND

WB

INTERIOR LIGHT (RHD)

IF 2 1E

J32 JUNCTION CONNECTORBR15A ECUIG

J37 JUNCTION CONNECTORWB5 1H 6 1G

A

II

BR

8

J42 JUNCTION CONNECTOR G13 A 6 1H 4 2F

14 ID3

B6 A BODY ECU NO. 2

LY1 2 I8

5 ID3 1 2

LYI8

LY

9 2D

G GWBECU ILE I8 1 1E G

G

GW

G

G

S7 STEP LIGHT RH911 1H

O

MPX1

G

G


I7 G 2 1

S6 STEP LIGHT LHG19 A

LY

LY WMPX2

I7

I11 IGNITION KEY CYLINDER LIGHTLY (4)1 2

LY

5 2E

LY (4)

8 IC1

LY

LY

R

I7

(3)

(3) L 7 LUGGAGE COMPARTMENT LIGHT LY LYI7

LY

12 2H

3

G

10A DOME

DOOR

OFF7 2D

ON

1

LY

LY

LYB1

2 R 2 1

WB

P6 PERSONAL LIGHT

2

GR

R

O

W

BR

BR

LY

LY

GW

GW

WB

L5 LUGGAGE COMPARTMENT DOOR COURTESY SW

D3 DIODE (LUGGAGE COMPARTMENT DOOR OPEN DETECTION)


3 : EUROPE 4 : AUSTRALIA

BR

EBR BR GW

E

J41 JUNCTION CONNECTOR E

BR BR

GW

GW O LY W 10 ID1 LY LY W (2)

GW O

LY

B1

B1

B1

LY

LY

LY


1

1

LY

1

1

7MPX1

8MPX2

(1) (1)

W

W

I15 INTERIOR LIGHT REAR RH

I14 INTERIOR LIGHT REAR LH

V6 VANITY LIGHT LH

V7 VANITY LIGHT RH

MPX2 6

MPX1 2

W

L

2

2

LR

M2 MULTIDISPLAY A16 A/C CONTROL ASSEMBLY13 IM3

3

2

3

2 8 IJ1 17 IJ1

WB

WB

WB

WB

RG

RB

16MPX

W

W

4 2D

2 2D

MPX+ 5

116 2H 4 2H

2

RG

RB

C12 COMBINATION METER

L

(2)

W

LY 3 ID1 L RB RG

WB

B1

WB

B1

WB

B1

WB

B1

WB

299

INTERIOR LIGHT (RHD)FROM POWER SOURCE SYSTEM (SEE PAGE 134)

115A RADIO NO. 2

10A MPXB

2 1 10 1H GW BR BR BR BR BR BR BR BR

CC

C

BR

BR

GW

J41 JUNCTION CONNECTOR A AA


GW

GR

GW

GW O

GW O

GW

GW BR

D GW

DBR BR

GW

GW

GW

J41 D JUNCTION CONNECTOR

A BB GR

A

4 2G

8 2B

1 2E

11 2F

2 2E

8BECU MPX1 19 A GND 11

1IG

15 A ACC MPX2 9 BSUB 4 20A P FR DOOR

B5 A BODY ECU NO. 1

RCO 5 A

RDA 6 A

RSSI 4 A

LGR

5 2D

6 2G 13 2F 6 IM3 18 IM3 17 IM3

LG

P

11 2H

GR


J38 JUNCTION CONNECTOR FROM POWER SOURCE SYSTEM (SEE PAGE 134)

2 2F

W

LGR

WB

WB

WB

MPX1 MPX2 27

RCO +B 7

RDA

RSSI GND 1

A

LY L RB RG

LY

W6 WIRELESS DOOR LOCK ECU

28

A


3

4

5

E5 ENGINE AND ECT ECU

LB

LG

O

P

LB O RB RG

WB

WB

WB


A

A


WB

A


IF

BM

300

5 : W/ DRIVING POSITION MEMORY 6 : W/O DRIVING POSITION MEMORY FROM POWER SOURCE SYSTEM (SEE PAGE 134)

20A D FR DOOR

2 1F GW BR BR BR 2 IC2 BR LY(6) LO(5)

LO

GW

GW

BR

lexus_gs300_gs430_service_manual 1

Documents

b rhd rhd lhd

lhd rhd

b rhd wb wb

lhd b b rhd j19

lhd e b rhd br

j41 b junction connector

j31 b junction connector

lhd e b rhd ig