Isuzu Trooper (1998-2002 year). Manual — part 905
8D–154
WIRING SYSTEM
•
TURN THE RR FOG LIGHT SW ON
•
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE
HARNESS SIDE CONNECTOR 3
B-70
AND THE
GROUND?
YES
A
B
NO
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
4
X-9
OR THE FUSE F-5 AND 4
B-70
•
INSTALL THE RR FOG LIGHT RELAY
•
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE
HARNESS SIDE CONNECTOR 6
B-70
AND THE
GROUND?
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
6
I-43
AND 3
B-70
YES
NO
•
IS THERE CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR 4
X-22
AND 3
R-12
(OR
3
R-13
?
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
4
X-9
AND 6
B-70
YES
NO
•
IS THERE CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR 1
R-12
(OR 1
R-13
) AND
THE GROUND?
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
4
X-22
AND 3
R-12
(OR 3
R-13 )
YES
NO
REPLACE THE RR FOG LIGHT CONTROL UNIT
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
1
R-12
(OR 1
R-13
) AND THE GROUND
R-4
WIRING SYSTEM
8D–155
Headlight Leveling
General Description
The circuit consists of the headlight leveling SW and
headlight leveling actuators. The actuator is made
up of a motor, two relays and disk-type sensor. The
sensor rotates in accordance with the rotation of the
motor and stops the rotation of the motor at each
position corresponding to the levels 0 to 3.
8D–156
WIRING SYSTEM
Circuit Diagram
D08RY00136
3.0
B/Y
0.5
L/W
0.5
L/W
HEADLIGHT
LEVELING
SWITCH
HEADLIGHT
LEVELING
ACTUA
T
OR-RH
0.85
L/W
0.5
P/L
0.5
P/L
0.5
O/L
0.5
O/L
0.5
L/O
0.5
L/O
0.5
O/B
0.5
O/B
ST
AR
TER SW
(IG1)
C-4 15A
ELEC. IG
I-30
6
20
1
C-76
3
I-30
12
H-24
C-16
6
C-76
6
C-77
FENDER-LH
7 (6V
*1)
6 (4JX1)
6
A
D
C-76
2
C
C-76
1
B
C-76
5
0.5
L/W
0.5
P/L
0.5
O/L
0.5
L/O
0.5
O/B
0.5
B
0.5
B
A
C-76
4
HEADLIGHT
LEVELING
ACTUA
T
OR-LH
C-77
3
C-77
2
C-77
1
C-77
5
0.5
L/W
0.5
L/W
0.85
L/W
0.5
P/L
0.5
O/L
0.5
L/O
0.5
O/B
C-77
4
H-12
6
I-30
2
3
H-24
B
I-30
3
13
H-9
C
I-30
4
11
H-9
D
H-25
0.85
G/R
0.3
R/G
I-30
7
9
I-30
T
AIL
RELA
Y(4)
ILLUMINA
TION
CONTROLLER(3)
C-16
FENDER-LH
WIRING SYSTEM
8D–157
Parts Location
9
4
8
10
3
5
6
7
1
2
D08RW999
Legend
(1) H-12
(2) H-9, H-24
(3) C-16
(4) Headlight Leveling Actuator-LH
(5) C-77
(6) Fuse Box
(7) C-76
(8) Headlight Leveling Actuator-RH
(9) H-25
(10) I-30
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