Isuzu Trooper (1998-2002 year). Manual - part 989

8D–490

WIRING SYSTEM

Parts Location (RHD)

Legend

(1) S-5
(2) S-4
(3) S-3
(4) S-2
(5) H-21
(6) B-2

(7) Fuse Box (B-37)
(8) H-23
(9) B-19

(10) Relay and Fuse Box
(11) L-1
(12) H-45

D08RW995

10

4

5

6

3

2

1

7

8

9

11

12

WIRING SYSTEM

8D–491

D08RY00235

Circuit Diagram (LHD)

2

B-37

B-37

1

4

3

B-37

B-37

6

H-21

3.0

B/Y

ST

AR

TER SW

(IG1)

BA

TT

.(+)

C-4 15A

ELEC

.

IGN.

C/B-2 30A

P/W

, P/S

, S/R

0.5

L/W

3.0

B/L

2.0

L/B

2.0

L/B

2.0

L/B

0.5

B

0.5

Y/R

0.5

Y/B

0.5

Y/B

0.5

L/Y

1.25

L

1.25

Y

0.5

L/Y

2.0

L/B

0.5

L/W

B-18

BOD

Y

-LH

1.25

B

0.3

B

PO

WER

WINDO

W

RELA

Y

SAFETY

ST

OP

SW

LIMIT

SW

SUN R

OOF

SW

SUN R

OOF

M

OTO

R

A

3

H-45

4

H-21

2.0

B

BOD

Y

-RH

4

H-23

PO

WER WINDO

W

SW

6

H-45

4

S-5

0.5

B

2.0

B

2.0

B

B

A

B

1

S-2

3

S-2

2

1

5

S-5

2.0

L/B

B-1

L-1

OPEN

CLOSE

0.5

B

L-1

3

L-1

1

H-45

2

H-45

2

S-4

3

S-5

6

S-5

OPEN

SUN R

OOF CONTR

OL UNIT

CLOSE

1

S-5

4

S-4

1

S-3

2

S-3

M

8D–492

WIRING SYSTEM

Parts Location (LHD)

Legend

(1) S-5
(2) S-4
(3) S-3
(4) S-2
(5) B-18
(6) H-23

(7) Fuse Box (B-37)
(8) B-1
(9) Relay and Fuse Box

(10) H-21
(11) H-45
(12) L-1

D08RW388

2

1

3

4

5

6

7

8

9

10

11

12

WIRING SYSTEM

8D–493

Diagnosis

Quick Chart for Check Points

1.  Sun roof does 
     not open

2.  Sun roof does
     not close

3.  Safety stop mechanism 
     does not operate before   
     sun roof closes completely

4.  Limit switch mechanism
     does not operate before
     sun roof open completely

5.  Power source circuit 
     diagnosis

C/B-2
(30A)

Fuse

C-4

(15A)

Power

win-
dow

relay

Sun

 roof 

switch

Sun

roof

control

unit

Sun

roof 

motor

Safety

stop

switch

Cable

har-

ness

Check point

Trouble mode

Limit

switch