Lexus SC300 / Lexus SC400. Manual - part 991

 

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Lexus SC300 / Lexus SC400. Manual - part 991

 

 

OVERALL ELECTRICAL WIRING DIAGRAM

1

2

34

6

LEXU

S

SC

30

0

2

3A
6

2

1F
81

H

91

D

61

H

10

1E

11

3D
4

2

1

2

1

2

1

2

1

2

1

6

22

12

11

3

7

11

A

12

B

4B

X

1

1

7

IP

1

25

B

c

1

1F
6

1J
1

IF

1

To

Int

egrat

io

nR

ela

y

<5–3

><

4–3>

1

2

5

1B

W–B

W–

B

RR

W

W–B

W–B

W–B

W–B

BR –W

R–W

R–W

R

R

R

R

R

R

R

R

R

R

R

R

R

R –W

R–W

R –W

R–W

R –W

R –W

R–

W

R

R–

W

W

R

10

A

DO

M

E

60A

M A

IN

F9

F

U

SE

BL

O

C

K

VAN

IT

YL

IG

HT

V5

LH

V6

RH

P2

0

PE

R

S

O

N

A

L

LI

G

H

T

LH

RH

ON

OFF

DOO

R

I14

IGN

ITIO

NKE

Y

C Y

LIN

DE

RL

IG

HT

S11

STEP

LIG

HT

D5

DO O

RCO

UR T

ES

Y

LIG

HT

LH

L7

LU

GGAGE

COM

PA

RT

ME

NT

LIG

H T

D6

DO O

RCO

UR T

ES

Y

LIG

HT

RH

To

Door

Lock

Mo

tor

,

D oo

rU

nlo

ck

D et

ect

ion

SW

and

D oo

rO

pen

D et

ect

ion

SW

LH

<1

7–5>

Fro

mC

DA

uto

m at

ic

Chen

ger

<2

0–1>

4o

D oor

Lock

M ot

or,

D oo

rU

nlo

ck

D et

ect

ion

SW

and

D oo

rO

pen

D et

ect

ion

SW

R H

<1

7–5>

To

Int

egrat

io

nR

ela

y

<5–3

><

4–3>

L6

LU

GGAGE

COM

PA

RT

ME

N T

LIG

H T

SW

O

PEN

D

O

O

R

W

A

R

N

IN

G

L

IG

H

T

[C

O

M

B

.

M

ET

ER

]

BA

T

T

E

R

Y

Po

w

e

r

S

our

ce

Int

er

ior

Li

ght

W

From

The

ft

Det

err

ent

and

Door

Lock

EC

U

<17

–2>

R–W

C1

2

,

C

1

4

BA

O

P

E

N

D

O

O

R

W

A

RN

IN

G

L

IG

HT

[C

O

M

B

.

M

E

T

E

R

]

10

1

1

12

13

17

1

8

19

2

0

21

12

34

5

6

78

9

14

15

16

17

18

1

2

34

5

6

78

9

10

23

22
21
20
19

15
14
13
12

11

16

B

A

C1

2

C1

4

Lef

t

ki

c

k

pa

nel

W–

B

(w

/o

Moo

nR

oof

)

(w

/M

oonR

oof

)

1

2

3

4

7 LEXUS SC300

4

ACC

IG1

ST1

AM1

2

1J

7

1J

5

1B

4

1E

7

2

7

4

6

1

2

4

5

3

2

1C

4

1A

7

2

3

EB

6

5

12 IQ1

10 IQ1

11 IQ1

10 IG1

23 IG1

IG2

8

IG2

9

IE1

9

IQ2

3

IQ2

13

IQ2

8

1H

11

1H

7

4

4

4

4

4

12

4

3

1E

19

1E

14

1C

3

1A

4

3A

1

1J

1

3G

3

1E

18

IF

BM

EA

10

3D

6

1K

2

3

23 B

16 A

17 A

5

7

5

6

6

3

10

8

9

4

W

W

W–R

R–B

R–W

G–Y

G–B

W–R

G–R

W

W

W–B

G–R

W–R

R–B

R–W

R–W

R–B

W–B

G–

R

B–

Y

W

R–

W

R–

B

R–

W

R–

B

R–

B

R–

W

W–

B

R–

B

R–

W

G–

Y

G–

Y

G–

B

G–

B

W–B

W–B

W–B

W–B

W–B

W–

B

W–

B

W–B

W–B

G–

B

G–

Y

WW

W–L

W

W

B–

Y

60

A

M

A

IN

10

0A

A

M

1

12

0A

A

L

T

I15
IGNITION SW

20A
TURN

25A
HAZ–HORN

TU

R

N

S

IG

N

A

L

FL

A

S

H

E

R

B

A

TTE

R

Y

F7

F

RO

NT

T

UR

N

S

IG

NA

L

LI

G

H

T

LH

R1

0

R

E

A

R

T

U

R

N

SI

G

N

AL

L

IG

H

T

L

H

[R

E

A

R

C

O

M

B.

L

IG

H

T

L

H

]

R1

1

R

E

AR

T

U

R

N

SIG

N

AL

L

IG

H

T

R

H

[R

E

A

R

C

OM

B

.

L

IGH

T

R

H

]

F8

F

RO

NT

T

UR

N

S

IG

NA

L

LI

G

H

T

R

H

C1

6

T

U

R

N

SI

G

N

AL

SW

[C

O

M

B.

SW

]

T

U

R

N

SIG

N

AL

IN

D

IC

A

T

O

R

L

IG

H

T

[C

O

M

B

.

M

ET

ER

]

OFF

ON

B1

F

B2

TL

TB

TR

H7

HA

Z

A

RD

S

W

B

FOD

FOE

FOG

FOF

1I

1

1I

2

5

5

5

5

2

1

5

3

18 IE1

17 IE1

1

2

1

2

EA

8

11

10

W–G

G–

R

G–

R

W–

B

W–

B

W–B

R–

G

P–

Y

R–

G

P–

Y

R–

Y

T

o

Int

eg

rat

ion

R

el

ay

<5

2

><4

2

>

CORNERING
LIGHT RELAY

C16
CONERING LIGHT
SW[COMB. SW]

CO

RN

E

R

IN

G

L

IG

HT

C 6
LH

C 7
RH

F 9
FUSE BLOCK

Power
Source

Cornering Light

Turn Signal and Hazard Warning Light

40A
IGSW

TURN SIGNAL INDICATOR LIGHT
[COMB. METER]

1 2

3 4

5 6

7 8

9 10

11 12 13 14 15 16

17 18

17 18

1

2 3 4 5

6 7 8 9 10

23

22

21

20

19

15

14

13

12

11

16

A

B

C13

C14

C1

3

A

,

C1

4

B

Front side of
right fender

Front side of
left fender

Back panel
center

Front side of
right fender

Left kick
panel

6

5

OVERALL ELECTRICAL WIRING DIAGRAM

1

2

34

8

LEXU

S

SC

30

0

(C

ont

.

ne

xt

pa

ge

)

4

AC

C

IG

1

ST

1

AM

1

2

1J
7

66

66

66

6

6

21

J

5

1B
4

66

66

66

66

6

6

2

1

I

8

4

3

5

4

2

4

3

2

1

4

3

2

1

6

4

3

1

7

1

124

1

F

2F

3F

AAB

A

A

A

B

C

B

A

B

A

A

A

A

A

A

BAA

BA

ABB

B

A

A

A

A

A

B

GG

G

F

F

F

M

1

5

2

1

2

1

25

2

1

24

10

1

9

1

1

32

61

28

7

2

22

1

3

5

1

8

1

6

1

7

4

4

7I

E

2

1I

O

1

2

3

1

2

1

6

EB

E

A

IJ

M

2B

c2

12

IE

2

H
4H

5H

6H

1H

2H

3

I

2I

1J

1

S

F

R

S

F

L

SR

R

S

R

L

AS

T

M

T

BS

R

BS

M

BSA

BS

B

M

G

N

D

E2

PR

VC

SR

C

SM

C

S

AC

MT

T

BT

M

EM

2

B

BBB

B

B

B

C

C

C

C

C

C

C

C

C

C

C

B

B

C

9I

O

1

EB1

6

10

IO

1

3B

W

1

8B

W

1

6B

c2

5

B

c

2

2B

W

1

6B

W

1

7B

W

1

3B
1

22

1

1

11

2

2

32

0

741

3

61

5

1

1

7

81

2

1

4

51

0

15

5

1

4

3

8

6

17

SF

R

SF

L

SR

R

S

R

L

AS

T

M

T

G

N

D

1

G

N

D

2

G

N

D

3

F

L

+

F

L

F

SS

F

R

+

F

R

R

L

+

R

L

R

SS

R

R

+

R

R

AL

T

L

VL

1

P

KB

W

B–

Y

B–

R

B–

R

R

V

L

P–

B

V–

W

R–

B

P

Y–

B

LG

LG

B

P–

L

P–

G

V–

R

L

GR

B

R–

W

W–B

( SH

IEL

D

ED

)(

SH

IE

L

D

ED

)

B–

R

B–

R

W–

B

L

Y

G

V–

Y

R–

W

W–

B

M

T

T

S

R

M

R

T

M

R

E2

P

R

VC

S

R

C

SM

C

SA

C

T

SR

R

BA

T

IG

ST

P

TS

WA

TC

D

/G

A

B

S

O

RL

O

RR

O

FL

O

FR

O

BR

F

A

TH

F

A

BR

C

BR

P

TR

C

O

NL

P

W–L

R

Y

W

W

L–W

B–R

R–B

L

Y

R

V–Y

V–Y

V–Y

W

B–Y

R

R–W

R

B–R

B–R

R

G –W

G–W

B–Y

L–Y

R –B

Y

G

(SH

IE

LD

ED)

W

B

R

V–Y

V

V–W

R–

W

R–W

R–W

B–R

V–Y

W

W –L

V

L

P–B

W–B

W–B

W–B

L–W

Y–G

P–B

P

B–Y

Y

L–W

L

W–B

W–B

W–B

W

B

O–L

W–L

W

O

O

W

W

O

L–G

L–Y

L–G

L–Y

Y–G

Y–G

B

R–W

L

R–W

B–Y

V–R

P–G

P–L

LG –B

LG

Y–B

P

R –B

R–B

V–W

B–R

B–R

V–Y

W–B

W–B

(SH

IELD

ED )

(SH

IEL

D E

D )

(SH

IE

LD

ED )

I1

5

IG

N

ITIO

N

SW

40

A

IG

S

W

4

2

14

56

R

T5

TR

A

C

TIO

N

P

U

M

P

A

N

D

M

OT

OR

T

R

AC

T

IO

N

BR

AK

E

AC

T

U

A

T

O

R

AB

S

AN

D

T

R

A

C

T

IO

N

EC

U

60A

M A

IN

30A

AB

SN

O.

2

60A

ABS

N O

.1

100A

AM

1

ABS

AC T

U AT

OR

RELA

Y

ABSM

OT

OR

RELA

Y

TRA

CTI

ON

MO

TOR

RELA

Y

TRA

CTI

ON

BR

AK

E

MAIN

RE

LA

Y

10A

D O

ME

6

BA

T

T

E

R

Y

A

B

S

A

CT

UA

T

O

R

(SH

IE

LD

ED )

W–B

A7

ABS

SP

EE

D

S

EN

S

O

R

FR

O

N

T

L

H

A8

AB

S

S

PEE

D

S

EN

SO

R

FR

O

N

T

R

H

A3

0

AB

S

S

PEE

D

S

EN

SO

R

RE

A

R

L

H

F9

FU

S

E

B

L

O

C

K

B–

Y

F

ro

m

S

top

Li

gh

t

S

W

<4

6

><5

6

>

5B

W

1

A3

1

A

BS

S

PE

ED

SE

N

S

O

R

RE

A

R

RH

From

Alte

rn

ator

”L”

<1–

2>

Po

we

r

So

u

rc

e

A

B

S

and

T

ract

ion

C

ont

rol

B–

R

15A

EC

U–I

G

Y

2

3

22

16

9

2

0

1

0

1

9

T3

,

T4

FG

(SH

IE

LD

ED )

A4

,

A5

,

A

6

HJ

I

A2

4

A

,

A

2

5

B

,

A

2

6

C

W

120A

ALT

R

Fr

o

n

t

s

id

e

o

f

le

ft

fe

n

d

e

r

R

ight

ki

ck

pan

el

F

ront

si

de

of

ri

g

ht

fende

r

1

3

5

6

7

8

8 LEXUS SC300(Cont’ d)

22

11

4

14

8

17

16

23

1B

5

3A

6

3E

3

3B

3

1E

11

3H

12

18 IK2

15 IK2

12 IJ2

7 IO1

8 IO1

9 IK2

5 IK2

4 IK2

2 IK2

10 IK1

23 E

BRP

4 E

TRCO

1 D

BRC

5 E

THFA

4 D

BRFA

10 D

FRO

3 D

FLO

12 D

RRO

5 D

RLO

15 D

ABSO

8 D

BAT

2 E

IG1

6 D

TC

16 E

TR5

11 D

IND

14 D

WT

5

K

15

K

1

K

7 D

P

16 D

N

1 E

PKB

13 IK2

3H

7

From A/T Indicator SW
[NEUTRAL START SW AND

BACK–UP LIGHT]<3–7>

26 E

BCM

25 E

B–

24 E

B

11 E

A

12 E

A–

13 E

ACM

14 E

GND

13 D

CSW

3 E

S1

15 E

BM

2 D

STP

21 E

TR2

6 E

NEO

8 E

VTH

19 E

VSH

10 E

IDL1

22 E

IDL2

6

2

16 IK2

13 IJ1

3H

14

1E

18

3A

2

1J

1

IJ

IF

EE

2

1

3

6

4

5

BCM

B–

B

A

A–

ACM

1J

5

2

3A

4

3D

13

1E

12

2

13

14

5 EE1

1

L

T

o

E

n

gi

ne

a

nd

EC

T

EC

U

<

2

8

>

10A
GAUGE

7. 5A
TRAC

F

ro

m

S

top

Li

gh

t

S

W

<5

6

><4

6

>

F

rom

T

ro

tt

le

P

os

ition

S

e

ns

o

r<

2

–8

>

F

ro

m

S

u

bT

h

ro

tt

leP

o

s

iti

o

n

S

e

ns

o

r<

2

–8

>

W

B–Y

L

V–R

P–G

P–L

LG–B

LG

Y–B

P

R–B

V–W

P–B

L

V

R

B–R

B–R

R–W

L

GR

B

R–W

GR

L

V–W

P–B

WA

TC

TC

ABS W

TRC

B–

Y

V–

R

P–

G

P–

L

LG

B

LG

Y–

B

P

R–

B

R

B–

R

RR

R–

B

B–Y

W

L–

R

Y

 

 

 

 

 

 

 

Content   ..  989  990  991  992   ..