Isuzu Trooper (1998-2002 year). Service manual — part 933
8D–266
WIRING SYSTEM
Circuit Diagram (LHD)
D08RY00217
B-37
1
B-37
2
B-37
3
B-37
4
A
A
B-18
H-23
4
D-5
7
0.3
R/Y
0.3
R/Y
2.0
L/B
1.25
B
1.25
B
BODY
-LH
BODY
-LH
2.0
L/B
2.0
L/B
2.0
L/W
1.25
B
0.3
B
0.5
L/W
0.5
L/W
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
2.0
L/B
3.0
B/L
3.0
W
POWER WINDOW
RERA
Y
2.0
L
FR
T
POWER
WINDOW
MOT
OR-LH
D-30
5
D-5
56
D-5
D-5
UP
DOWN
FR
T
POWER WINDOW
& DOOR LOCK SW
-LH
1
D-2
21
H-23
D-2
1
B-18
M
H-19
4
D-14
5
H-18
12
0.3
R/Y
0.3
R/Y
1.25
B
1.25
B
2.0
B
BODY
-RH
2.0
L/B
2.0
L/Y
2.0
BR/Y
FR
T
POWER
WINDOW
MOT
OR-RH
D-14
2
D-14
10
1
D-14
D-14
UP
DOWN
FR
T
POWER WINDOW
& DOOR LOCK SW
-RH
7
D-1
1
21
H-19
D-1
1
1
B-1
M
2.0
L/B
2.0
L/B
H-29
1
H-46
15
H-46
13
D-22
4
H-28
2
0.3
R/Y
0.3
R/Y
0.3
R/Y
1.25
B
1.25
B
BODY
-RR
2.0
L/B
2.0
L/R
2.0
BR/R
RR POWER
WINDOW
MOT
OR-LH
D-22
2
D-22
56
D-22
D-22
UP
DOWN
RR POWER WINDOW
SW
-LH
3
D-20
21
H-29
D-20
2
R-3
M
2.0
L/B
2.0
L/B
H-35
1
H-47
13
H-47
6
D-27
4
H-34
2
0.3
R/Y
0.3
R/L
0.3
R/Y
1.25
B
0.3
B
1.25
B
0.3
B
0.5
B
2.0
B
2.0
B
2.0
B
1.25
B
BODY
-RH
2.0
L/B
2.0
L/R
2.0
BR/R
RR POWER
WINDOW
MOT
OR-RH
D-27
2
D-27
56
D-27
D-27
UP
DOWN
RR POWER WINDOW SW
-RH
3
D-25
21
H-35
D-25
2
H-47
B-2
BODY
-CTR
B-26
BODY
-LH
B-18
1
D-27
1
H-35
3
H-47
8
M
H-22
12
WIRING SYSTEM
8D–267
Parts Location (LHD)
Legend
(1) D-27
(2) B-18, B-19
(3) D-22
(4) D-20
(5) H-28, H-29
(6) D-2
(7) D-5, D-30
(8) H-46
(9) H-22, H-23
(10) Fuse Box (B-37)
(11) B-26
(12) D-11
(13) H-18, H-19
(14) Relay and Fuse Box
(15) B-2
(16) D-14
(17) H-34, H-35
(18) D-25
2
1
18
17
16
15
14
13
12
11
10
9
7
8
6
5
4
3
D08RW882
8D–268
WIRING SYSTEM
Diagnosis
All Windows Do Not Operate
STEP
ACTION
VALUE(S)
YES
NO
Is the fuse C–4 normal?
Is the circuit breaker C/B–2 normal?
Is B–19 grounded securely?
Disconnect the power window relay connector B–37.
Is the battery voltage applied between harness side
connector B–37 terminal 2 and the ground?
Repair an open circuit between the circuit breaker C/B–2 and
connector B–37 terminal 2.
Is the action complete?
Turn the starter switch on
Is the battery voltage applied between harness side
connector B–37 terminal 1 and the ground?
Repair an open circuit between the fuse C–4 and connector
B–37 terminal 1.
Is the action complete?
Is there continuity between harness side connector B–37
terminal 3 and the ground B–19?
Repair an open circuit between connector B–37 terminal 3
and the ground B–19.
Is the action complete?
–
–
–
Approx. 12V
–
Approx. 12V
–
–
–
Go to
step 2
Go to
step 3
Go to
step 4
Go to
step 6
Go to
step 4
Go to
step 8
Go to
step 6
Replace
the relay
Verify
repair
Replace
the fuse
Replace
the circuit
breaker
Ground it
securely
Go to
step 5
–
Go to
step 7
–
Go to
step 9
–
1
2
3
4
5
6
7
8
9
WIRING SYSTEM
8D–269
Window On The Driver’s Side Does Not Operate
STEP
ACTION
VALUE(S)
YES
NO
Is B–18 grounded securely?
Is there continuity between harness side connector D–5
terminal 1 and the ground B–18?
Repair an open circuit between connector D–5 terminal 1
and the ground B–18.
Is the action complete?
Turn the starter switch on.
Is the battery voltage applied between harness side
connector D–5 terminal 7 and the ground?
Repair an open circuit between connector B–37 terminal 4
and connector D–5 terminal 7.
Is the action complete?
Connect the battery positive terminal with harness side
connector D–5 terminal 5 or 6, and the negative terminal with
harness side connector D–5 terminal 6 or 5.
Does the motor operate?
1. Disconnect the front power window motor–RH connector
D–2.
2. Connect the battery positive terminal with the motor side
connector D–2 terminal 1 or 2, and connect the battery
negative terminal with the motor side connector D–2
terminal 2 or 1.
Does the motor operate?
Repair an open circuit between the front power window &
door lock switch–RH and the front power window motor–RH.
Is the action complete?
–
–
–
Approx. 12V
–
–
–
–
Go to
step 2
Go to
step 4
Go to
step 2
Go to
step 6
Go to
step 4
Replace
the front
power
window &
door lock
switch–RH
Go to
step 8
Verify
repair
Ground it
securely
Go to
step 3
–
Go to
step 5
–
Go to
step 7
Replace
the motor
–
1
2
3
4
5
6
7
8
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