Lexus SC300 / Lexus SC400. Manual — part 958

147

: PARTS LOCATION

CODE

SEE PAGE

CODE

SEE PAGE

CODE

SEE PAGE

A 4

B

26

A31

30

D 2

28

A 7

26

A33

A

26

F 9

26

A 8

26

B 1

26

P 3

29

A22

A

28

C 3

26

S12

29

A23

B

28

C13

B

28

T 6

29

A30

30

C14

A

28

: RELAY BLOCKS

CODE

SEE PAGE

RELAY BLOCKS (RELAY BLOCK LOCATION)

2

19

ENGINE COMPARTMENT LEFT

6

24

ENGINE COMPARTMENT LEFT

: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR

CODE

SEE PAGE

JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)

1E

20

INSTRUMENT PANEL WIRE

1H

20

COWL WIRE

1I

20

COWL WIRE

3A

3D

22

INSTRUMENT PANEL WIRE

3E

22

INSTRUMENT PANEL WIRE

3H

: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS

CODE

SEE PAGE

JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)

EB1

34

ENGINE WIRE AND ENGINE ROOM MAIN WIRE (FRONT SIDE OF R/B NO. 2)

IE1

36

ENGINE ROOM MAIN WIRE AND COWL WIRE (R/B NO. 4)

IE2

38

ENGINE ROOM MAIN WIRE AND COWL WIRE (BEHIND GLOVE BOX)

IG1

36

INSTRUMENT PANEL WIRE AND COWL WIRE (R/B NO. 5)

IK1

36

ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)

IK2

36

ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)

IO1

38

ENGINE ROOM MAIN WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)

BW1

40

ENGINE ROOM MAIN WIRE AND FLOOR NO. 3 WIRE (RIGHT KICK PANEL)

Bc2

40

FLOOR NO. 3 WIRE AND FLOOR WIRE (UNDER THE LEFT SIDE OF REAR SEAT CUSHION)

: GROUND POINTS

CODE

SEE PAGE

GROUND POINTS LOCATION

EA

34

FRONT SIDE OF RIGHT FENDER

EB

34

FRONT SIDE OF LEFT FENDER

IJ

36

RIGHT KICK PANEL

: SPLICE POINTS

CODE

SEE PAGE

WIRE HARNESS WITH SPLICE POINTS

CODE

SEE PAGE

WIRE HARNESS WITH SPLICE POINTS

E 9

34

ENGINE ROOM MAIN WIRE

I26

38

ENGINE ROOM MAIN WIRE

E10

34

ENGINE ROOM MAIN WIRE

B17

40

FLOOR NO. 3 WIRE

E12

34

ENGINE ROOM MAIN WIRE

B34

40

FLOOR MAIN WIRE

I23

38

INSTRUMENT PANEL WIRE

B36

40

FLOOR NO. 3 WIRE

I25

38

ENGINE ROOM MAIN WIRE

134

ABS AND TRACTION CONTROL

3

4

3

2

1

6

1

4

2

6

6

6

6

6

6

6

6

6

5

6

A

B

S

M

OT

OR

RE

L

A

Y

A

B

S

A

CT

UA

T

O

R

RE

L

A

Y

4

1

3

2

6

6

6

6

T

R

A

C

TI

O

N

M

O

TO

R

RE

L

A

Y

M

A

13

SFL

C

12

SRL

A

8

AST

A

7

MT

B

1

SFR

B

4

B

5

1

B

2

B

3

A

2

A

1

C

1

L–W

L

Y

B–

Y

P–

B

L–W

Y–

G

SFR

SFL

SRL

AST

MT

BS

BM

GND

ABS ACTUATOR

A 4

, A 5

, A 6

B

B

C

A

EA

EB

B

16

MR

A

9

TMR

A

22

SR

A

25

R–

E10

E12

6

11

2

L–Y

W–B

V–Y

W–B

B–R

R

Y

R

W–B

V–Y

W–

B

W–

B

W–

B

Y

V–

Y

R–

B

G

Y

R

R

W–

B

L–W

V–

Y

V–Y

G

V–

Y

L

L–W

L

W–

B

W–

B

W–

B

W

R

Y

30A

A

B

S

N

O

.

2

60A

A

B

S

N

O

.

1

12

0A

A

LT

BATTERY

FUSE BLOCK

ABS AND TRACTION ECU

A

26

SRR

6

P

SRR

B

A 24

, A 2 5

, A 26

F 9

B

A

B

A

5

FL+

A

18

FL–

2

1

(SHIELDED)

W

B

B

W

A 7
FRONT LH

E 2

V–Y

W–B

V–Y

R–

B

V–

Y

135

B

4

RL+

B

15

RL–

B

5

RSS

B

14

RR+

B

3

ALT

BW1

3

BW1

8

BW1

2

BW1

5

BW1

6

Bc2

6

Bc2

2

I26

1

2

1

2

W

O

W–

B

L–

G

L–Y

W

O

L–

G

L–Y

W

O

L–G

L–Y

(SH

IE

L

D

ED

)

(SH

IEL

D

E

D

)

(SH

IEL

D

E

D

)

REAR LH

REAR RH

A31

A30

ABS SPEED SENSOR

M

6

1

4

3

6

6

6

6

TR

A

C

TI

O

N

B

R

A

K

E

MA

IN

R

E

LA

Y

2

16

22

3

1

23

11

E 7

I25

I32

I23

EB1

6

IO1

7

IK2

2

A

23

MTT

A

1

TSR

A

20

E2

A

19

VC

A

10

PR

A

15

SRC

A

2

SMC

A

12

SAC

C

1

TS

B

9

WA

C

3

TC

A

1

A

2

A

3

A

4

A

5

A

6

B

2

B

1

B

4

L–

Y

B–

R

L

L

L

L

VB

–

R

P–

B

P–

B

B–

R

R–

W

R–

W

R–

W

W

R

B

V–

Y

V

V–

W

B–

R

R

R–

W

V–

Y

TS

WA

R

B–R

L–Y

W–B

V–Y

W–B

W–B

P–B

L

TC

WB

T 5

T 3

, T 4

C3

TRACTION PUMP
AND MOTOR

TRACTION BRAKE
ACTUATOR

CH

E

CK

CO

N

NE

CT

O

R

B

A

(SH

IE

L

D

ED

)

C

ABS AND TRACTION ECU

A 24

, A 25

, A 26

A

B

P–B

P–B

AC

C

C

U

T

MI

C

C

U

T

R

E

SER

VO

IR

CU

T

(SHIELDED)

A

17

FR+

A

4

FR–

A

16

FSS

I26

2

1

(SHIELDED)

O–

L

W–

L

W–

B

W–

L

O–

L

A 8
FRONT RH

B

8

IO1

10

3B

1

3B

2

IJ1

5

IG3

1

A1

0

AL

T

E

R

N

AT

O

R

Y–

G

Y–

G

Y–

G

Y–

G

Y–

G

RR–

I26

B17

BR

BR

I26

B34

BW1

7

Bc2

5

B17

B36

B

R

–B

B

R

–B

B

R

–B

BR

–

B

(SHIELDED)

2

SHORT
PIN

136

ABS AND TRACTION CONTROL

I16

E 9

I14

I25

I25

I 4

E13

I 7

1E

12

1I

10

2

1I

8

14

8

17

4

IO1

8

IK2

9

3E

3

A

1

B

15

B

5

B

1

B

22

GND1

B

2

GND2

B

13

GND3

B

6

LBL

B

17

PKB

C

7

ABSO

C

12

BRP

C

8

BRC

C

7

THFA

C

11

BRFA

C

15

FRO

C

6

FLO

C

10

P

C

5

N

B

20

D/G

B

10

STP

B

21

BATT

A

24

IG

3A

4

3D

13

IK2

5

IO1

1

IE2

7

1

2

I 7

1H

1

1E

20

FROM POWER SOURCE SYSTEM (SEE PAGE 56)

2

1

2

1

2

1

1

EA

IJ

IG1

19

IG1

20

IK2

18

IE2

12

IE1

1

IO1

9

P–

B

Y

W

G–

W

G–

W

R

B–

R

B–

R

R

G–W

Y

LG

–

R

W

L

V–

W

L–

Y

W

G–

W

B–

R

R–

B

R–

B

L

GR

LG

LG

–

B

P–

L

P–

G

V–

R

B–

Y

W–

B

W–

B

W–

B

R–

W

R–

W

R–

W

R–

W

B

R–

W

R–

W

R–

W

R–

B

B

W–

B

W–

B

W–

B

V–

W

L–

Y

L

P–B

R–W

R–W

B

W

W

R–

W

10A
GAUGE

15A
STOP

10A
DOME

15A
ECU–IG

W

TRC

ABS

TC

G–W

COMBINATION METER

STOP LIGHT
SW

TDCL

ABS AND TRACTION ECU

B

B

PARKING
BRAKE SW

BR

AKE

F

L

U

ID

L

EVE

L

SW

DIO

D

E

(F

O

R

BR

AKE

F

L

U

ID

L

EVE

L

)

DI

O

DE

(FO

R

P

A

R

K

IN

G

BR

A

KE

)

(C

A

NA

DA

)

(USA)

A24

, A2 5

, A 26

C13

, C14

T 6

S12

P 3

B1

D1

D2

B

A

B

B–R

R

G–W

LG–R

W

L–Y

B–Y

V–R

P–G

P–L

LG–B

LG

GR

L

R–B

R–W

IK1

10

3H

12

P–B

TR

A

C

O

FF

TR

A

C

AN

T

I

LO

C

K

A

B

2

1

P–B

P–B

P–

B