ISUZU TROOPER 1998 Service Repair Manual

8D – 368 WIRING SYSTEM
Parts Location (RHD)
Legend
(1) B-56 (Center Console)
(2) B-57 (Center Console)
(3) B-55 (Center Console)
(4) D-12
(5) H-18
(6) B-1, B-2(7) B-26
(8) H-22
(9) B-18
(10) Relay & Fuse Box
(11) Fuse Box
(12) H-14
(13) D-3
D08RWA05
45
6
78
9
10
11
12
13
123

WIRING SYSTEM 8D – 369
Circuit Diagram (LHD)-1
D08RW945
4
B-553.0
L/B
0.5
O/G0.5
O/G C-11 10A
AUDIO(ACC), MIRRORSTARTER SW
(ACC)
A
0.85
G/R TAIL RELAY
(4)
2
B-55
0.5
B/L0.5
B/L
H-22B8B-55
10
0.5
W/G0.5
W/G
H-22C6B-55
8 LV LH RH RV
0.5
B/G0.5
B/G
H-18D8B-55
5
0.5
W/B0.5
W/B
H-18E6B-55
7
0.5
B/W0.5
B/W
H-22F18
0.5
B/W0.5
B/W
0.5
B/W
H-18G
H
18
B-55
19
2.0
B
0.5
B0.3
R/G
2.0
B
BODY-LH
B-55
3
ILLUMINATION
CONTROLLER (3)
MIRROR CONTROL SW
B-55B-182.0
B
BODY-CTR
B-262.0
B
BODY-RH
B-2

8D – 370 WIRING SYSTEM
Circuit Diagram (LHD)-2
D08RW088
0.5
B/L
B
0.5
W/G
0.5
B/W
4
6
D-3C
F
M
M
MIRROR
-LH
RIGHT LEFT
DOWN UP
D-3
0.5
B/G
D
0.5
W/B
0.5
B/W
4
6
D-12E
G
M
M
MIRROR
-RH
RIGHT LEFT
DOWN UP
D-12
5
D-35
D-12

WIRING SYSTEM 8D – 371
Circuit Diagram (LHD)-3
D08RW946
A
B-56
6
B-56
5
B-56
8
B-56
7
B-56
4
H-2217
H-2216 CLOSE OPEN
0.5
O/G
0.5
B
H 0.5
B
2.0
B0.5
GR/L
0.5
GR/L0.5
GR/G0.5
GR/G 0.5
B
D-32
D-37M
MIRROR-LH
H-1817
H-1816 0.5
GR/L0.5
GR/G
0.5
GR/L0.5
GR/G
D-122
D-127M
MIRROR-RHMIRROR DEFOGGER SW
MIRROR
DEFOGGER
-LH MIRROR
FOLDING SW
3.0
B/Y
0.5
L/W
0.5
L/WC-4 10A
ELEC. IGN.STARTER SW
(IG1)
8
H-22B-18
1.25
B0.5
B 0.5
B 0.5
P/W 0.5
P/W
D-35B-57
B-57
7
H-22
1.25
B0.5
B
5
D-33B-574
MIRROR
DEFOGGER
-RH
8
H-18B-1
BODY-LH BODY-RH0.5
B 0.5
P/W0.5
P/W0.5
BD-127H-18
5D-123
I3 I

8D – 372 WIRING SYSTEM
Parts Location (LHD)
Legend
(1) B-55
(2) D-3
(3) H-22
(4) Fuse Box
(5) B-18
(6) B-26(7) B-57
(8) Relay and Fuse Box
(9) H-18
(10) B-1, B-2
(11) D-12
(12) B-56
D08RW380
2 1
10
11
12
9
8
7
6
543

WIRING SYSTEM 8D – 373
Diagnosis
Quick Chart for Check Points
2.Mirrors on both sides do not operate
3.Mirror on the left (or right) side does
not operate
4.Mirrors on both sides operate only in
the vertical (or horizontal) direction
5.Mirror on the left side operates only
in the vertical (or horizontal) direction
6.Mirror on the right side operates only
in the vertical (or horizontal) direction
7.Folding mechanism of the both
mirrors does not operate
8.Folding mechanism of the mirror on
the left (or right) side does not operate
9.Mirror defoggers on both sides do not
operate
Mirror defogger on the left (or right)
side does not operateControl
switch
Folding
switch
Defogger
switchC-4
(10A)
C-11
(10A) SWLH RHTrouble modeCheck pointDoor mirror Door mirror SW
Cable
harness
1.
Fuse
Defogger Folding Control

8D – 374 WIRING SYSTEM
1. Mirrors On Both Sides Do Not Operate
•IS THE FUSE C-11 (10A) NORMAL?
YES
•REMOVE THE CONNECTORS OF THE DOOR MIRROR CONTROL SWREPLACE THE FUSE
NO
IS THERE ANY CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTORS 9 B-55 AND THE GROUND?
•SET THE STARTER SW TO “ACC” POSITION
•IS THE BATTERY VOLTAGE APPLIED BETWEEN THE HARNESS
SIDE CONNECTOR 4 B-55 AND THE GROUND?
YESNO
•REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN THE FUSE C-11 (10A)
AND 4 B-55 (CONTROL SW)
YESNO
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
YESNO
REPAIR THE DOOR MIRROR CONTROL SW REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 1 B-55 AND 18 H-18 OR
18 H-22
IS THE CONTINUITY IN THE DOOR MIRROR CONTROL
SWITCH NORMAL?•

WIRING SYSTEM 8D – 375
2. Mirror on The Left (Or Right) Side Does Not Operate
4. Mirror On The Left Side Operates Only In The Vertical (Or Horizontal) Direction
•IS THE DOOR MIRROR CONTROL SW NORMAL?
YES
REPAIR OR TRPLACE THE DOOR MIRROR
CONTROL SW
NO
REPAIR OR REPLACE THE DOOR MIRROR
IS THE DOOR MIRROR ON THE LEFT (OR RIGHT) SIDE
NORMAL?
YESNO
REPAIR A POOR CONNECTION OF CONNECTORS OR AN
OPEN CIRCUIT BETWEEN 1 B-55 AND 6 D-12 (OR 6 D-3 )
OR 1 B-55 AND 6 D-3 (OR 6 D-12 ) •
3. Mirrors On Both Sides Operate Only In The Vertical (Or Horizontal) Direction
REPAIR OR REPLACE THE DOOR MIRROR CONTROL SW
•IS THE CONTINUITY IN THE DOOR MIRROR CONTROL
SWITCH NORMAL?
YES
YES
REPAIR OR REPLACE THE DOOR MIRROR
CONTROL SW
NO
NO
•IS THE DOOR MIRROR NORMAL?
REPAIR A POOR CONNECTION OF CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 8 B-55 AND 4 D-12 (OR 10 B-55 AND 5 D-12 ,
OR 8 B-55 AND 4 D-3 (OR 10 B-55 AND 5 D-3 )REPAIR OR REPLACE THE DOOR MIRROR
NOTE:Connectors shown in the parenthesis "( )" indicate a check point of the mirror that does not operate in
the horizontal direction.

8D – 376 WIRING SYSTEM
5. Mirror On The Right Side Operates Only In The Vertical (Or Horizontal) Direction
6. Folding Mechanism Of The Both Mirrors Does Not Operate
•IS THE CONTINUITY IN THE DOOR MIRROR
CONTROL SWITCH NORMAL?
YES
REPAIR A POOR CONNECTION OF CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 7 B-55 AND 4 D-3 (OR 5 B-55 AND 5 D-3 ),
OR 7 B-55 AND 4 D-12 (OR 5 B-55 AND 5 D-12 )
YES
REPAIR OR REPLACE THE DOOR MIRROR SWITCH
NO
NO
•IS THE DOOR MIRROR NORMAL?
REPAIR OR REPLACE THE DOOR MIRROR
NOTE:Connectors shown in the parenthesis "( )" indicate a check point of the mirror that does not operate in
the horizontal direction.
•IS THE FUSE C-11 (10A) NORMAL?
YES
YES
REPLACE THE FUSE
NO
NO
•IS THE CONTINUITY IN THE DOOR MIRROR
FOLDING SW NORMAL?
REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 4 B-56 AND 16 H-22 (OR 16 H-18 ) OR 7 B-56
AND 17 H-22 (OR 17 H-18 )REPAIR OR REPLACE THE DOOR MIRROR
FOLDING SW

WIRING SYSTEM 8D – 377
7. Folding Mechanism Of The Mirror On The Left (Or Right) Side Does Not Operate
•DISCONNECT THE CONNECTOR OF THE DOOR MIRROR
YES
REPAIR A POOR CONNECTION OF THE CONNECTORS OR AN
OPEN CIRCUIT BETWEEN 7 B-56 AND 2 D-12 (OR 2 D-3 ) OR
4 B-56 AND 7 D-12 (OR 7 D-3 ), OR 7 B-56 AND 2 D-3 (OR
2 D-12 ) OR 4 B-56 AND 7 D-3 (OR 7 D-12 )
YES
REPAIR OR REPLACE THE DOOR MIRROR
NO
REPAIR OR REPLACE THE FOLDING SW
NO
•IS THE FOLDING SW NORMAL?
•CONNECT THE DOOR MIRROR CONNECTOR 2 D-12 (OR 2 D-3 )
OR 2 D-3 (OR 2 D-12 ) TO THE BATTERY (+) TERMINAL AND
7 D-12 (OR 7 D-3 ) OR 7 D-3 (OR 7 D-12 ) TO THE BATTERY
(–) TERMINAL. DOES THE MIRROR OPERATE TO THE FOLDING
DIRECTION?
CONNECT THE DOOR MIRROR CONNECTOR 7 D-12
(OR 7 D-3 ) OR 7 D-3 (OR 7 D-12 ) TO THE BATTERY
(+) TERMINAL AND 2 D-12 (OR 2 D-3 ) OR 2 D-3
(OR 2 D-12 ) TO THE BATTERY (–) TERMINAL.
DOES THE MIRROR OPERATE TO THE DRIVING POSITION?