Lexus SC300 / Lexus SC400. Manual - part 973

152

CRUISE CONTROL

: PARTS LOCATION

CODE

SEE PAGE

CODE

SEE PAGE

CODE

SEE PAGE

C 3

26

C19

28

P 3

29

C 8

26

C23

28

S12

29

C12

B

28

C24

28

T 6

29

C14

A

28

E 9

A

28

C15

28

E10

B

28

: RELAY BLOCKS

CODE

SEE PAGE

RELAY BLOCKS (RELAY BLOCK LOCATION)

2

19

ENGINE COMPARTMENT LEFT

: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR

CODE

SEE PAGE

JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)

1B

20

ENGINE ROOM MAIN WIRE

1E

20

INSTRUMENT PANEL WIRE

1H

1I

20

COWL WIRE

1K

20

COWL WIRE

3A

3C

3D

22

INSTRUMENT PANEL WIRE

3E

22

INSTRUMENT PANEL WIRE

3F

3H

: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS

CODE

SEE PAGE

JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)

IE2

36

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

IG1

36

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

IJ1

36

ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)

IJ2

36

ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)

IK1

36

ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)

: GROUND POINTS

CODE

SEE PAGE

GROUND POINTS LOCATION

EA

34

FRONT SIDE OF RIGHT FENDER

IG

36

INSTRUMENT PANEL BRACE LH

IH

36

UNDER THE ASHTRAY LH

: SPLICE POINTS

CODE

SEE PAGE

WIRE HARNESS WITH SPLICE POINTS

CODE

SEE PAGE

WIRE HARNESS WITH SPLICE POINTS

I 7

38

COWL WIRE

I 9

38

COWL WIRE

153

126

ECT AND A/T INDICATOR

2

1I

5

2

2

EB1

8

EB1

4

A

24

A

33

A

12

A

1

A

32

A

31

B

10

B

8

2

2

EB2

3

I33

IJ2

11

EB

B–Y

B–O

B–R

B–

Y

B–

O

B–

Y

B–

O

W–

B

B–

R

B–

Y

BR

–

Y

B–

O

B–

O

B–

R

B–

R

LG

R–

L

B–

R

W–

B

FROM POWER SOURCE SYSTEM(SEE PAGE 56)

30A
EFI

3

1

3

W

Y

M–REL

BATT

OD1

IGSW

+B1

+B

S1

S3

FR

O

M

CR

UIS

E

C

O

NT

RO

L

E

CU

(OD

)

7. 5A
IGN

2

1

4

3

ENGINE AND ECT ECU

ECT SOLENOID

E 9

, E10 B

A

NO

.

1

NO

.

3

EFI
MAIN
RELAY

4

B

9

W–

R

2

B

S2

NO

.

2

E 1

127

2

1

2

1

E18

E20

E20

I32

I32

B

27

B

4

B

28

A

20

B

29

B

42

B

63

B

41

B

43

B

64

B

65

B

44

B

23

B

3

ED

E18

L–

R

Y–

L

R–

B

BR

L–

R

Y

R

BR

BR

Y–

L

R–

B

L–

R

Y

R

BR

G

P

V

GR

–

Y

LG

B–

Y

BR

LG

BR

W–

B

BR

L

LG

GR–Y

BR

L–R

GR

–

Y

14

8

13

3

NE

E11

VF2

TE1

VF1

VTA2

IDL2

VC

VTA1

IDL1

E2

THW

SP2

SP2–

G1

T

VF1

E1

SUB THROTTLE POSITION
SENSOR
(W/ TRACTION CONTROL)

THROTTLE POSITION SENSOR

EF

I

W

AT

ER

T

EM

P

.

S

EN

SO

R

S

PEE

D

S

EN

SO

R

NO

.

2

(FO

R

E

C

T

)

ENGINE AND ECT ECU

CHECK CONNECTOR

VC

VTA

IDL2

E2

VC

VTA

IDL

E2

4

3

2

1

4

3

2

1

C 3

S4

E2

T 2

S 9

B

E 9

, E10

A

P

(W

/

T

R

A

C

T

IO

N

CO

N

T

RO

L

)

(W

/

T

R

A

C

T

IO

N

CO

N

T

RO

L

)

(W

/

T

R

A

C

T

IO

N

CO

N

T

RO

L

)

(W/

T

R

AC

T

IO

N

CO

NT

RO

L

)

BR

B

26

R

G1

B

25

Y

G2

B

7

B

G–

VF2

NE

G–

G2

B

79

W–

B

EO2

B

80

W–

B

EO1

I33

I33

B

69

BR

E1

W–

B

W–

B

2

3

4

1

D13
DISTRIBUTOR

BR