Isuzu Trooper (1998-2002 year). Service manual — part 904
8D–150
WIRING SYSTEM
Circuit Diagram-2
D08RY00198
1 5 5 2 1 A
高橋
RR FOG
LIGHT—LH
RR FOG
LIGHT—RH
RR FOG LIGHT
INDICATOR
(METER)
A
1.25
BR/Y
1.25
BR/Y
1.25
BR/Y
B
R-12
3
R-12
1
1.25
B
1.25
B
1.25
B
1.25
B
0.3
B
1.25
B
1.25
B
1.25
B
R-13
3
R-13
1
TRAILER
HARNESS
CONNECTOR
H-44
2
H-33
8
0.5
BR/Y
0.5
BR/Y
C
H-27
1
H-27
20
H-44
4
H-33
20
I-10
10
I-9
30
B-18
BODY—RH
BODY—RR
R-4
I-10
22
I-10
(W/TOD)
10
WIRING SYSTEM
8D–151
Circuit Diagram-3
D08RY00083
FUSE F-5
0.85
G
0.85
LG
0.3
BR/R
D
B-70
GND
B-70
6
E
2.0
Y/R
2.0
Y/R
2.0
Y/R
G
B-70
1
H-27
5
B-70
RR FOG RELAY
0.85
G/Y
F
B-70
3
H/L & FRT FOG
SW-ON
RR FOG
SW-ON
BATT(+)
4
B-45
2
5
B-19
BODY
—
RH
1.25
B
0.5
B
1 5 5 2 1 A
高
B-45
1
DIODE
RR FOG
LIGHT
CONTROL
UNIT
LIGHTING
SW
0.3
G
0.5
B
H
B-12
7
B-12
8
0.85
LG/R
0.85
LG
0.85
LG
H-15
13
X-14
3
H-16
4
X-14
3
DIODE
8D–152
WIRING SYSTEM
Parts Location
Legend
(1) Lighting Switch
(2) R-12
(3) R-4
(4) R-13
(5) H-33
(6) H-44
(7) H-46
(8) I-9
(9) B-18, B-19
(10) Relay and Fuse Box (X-9, X-14, X-22)
(11) H-13, H-15, H-16, H-25, H-27
(12) Fuse Box (B-45)
(13) I-43
(14) I-10
(15) B-70
6
7
8
9
10
11
15
12
14
13
1
2
3
4
5
D08RY00199
WIRING SYSTEM
8D–153
Diagnosis
Both RR Fog Light Inoperative
•
DO THE FRT FOG LIGHT WORK NORMALLY?
•
REMOVE THE RR FOG LIGHT RELAY
•
IS THE RELAY NORMAL?
YES
NO
REFER TO THE DIAGNOSIS CHARTS OF THE HEADLIGHT
AND FOG LIGHT SECTION
•
REMOVE THE FRT & RR FOG LIGHT SW
•
IS THE SW NORMAL?
YES
NO
REPLACE THE RELAY
•
DISCONNECT THE RR FOG LIGHT CONTROL UNIT
CONNECTOR B-70
•
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE
HARNESS SIDE CONNECTOR 1 B-70
AND THE
GROUND?
YES
NO
REPAIR OR REPLACE THE SW
•
IS THERE CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR 5 B-70
AND THE GROUND?
YES
NO
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
THE FUSE F-8 AND 1 B-70
•
INSTALL THE FRT & RR FOG LIGHT SW
•
TURN THE LIGHTING SW AND THE FRT FOG LIGHT
SW
•
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE
HARNESS SIDE CONNECTOR 4
B-70
AND THE
GROUND?
YES
NO
YES
A
B
NO
REPAIR AN OPEN CIRCUIT BETWEEN 5
B-70
AND THE GROUND
B-19
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