light ISUZU TROOPER 1998 Service Repair Manual

8DÐ220 WIRING SYSTEM
Backup Light
General Description
The circuit consists of backup light switch (M/T),
mode switch (A/T) and backup light.
When shfit lever is set to ÒRÓ position, backup light
switch (M/T) or mode switch (A/T) is activated to
illuminate backup light.

WIRING SYSTEM 8DÐ221
Circuit Diagram (RHD)
3.0
B/Y STARTER SW
(IG1)
MODE
SW
(A/T)
HAZARD
WARNING
SWITCH (8)0.5
R/B
0.5
R/B 0.5
R/B
0.85
R/B
0.5
R/L0.75
R/L 0.75
R/LC-3 10A
TURN,BACKH-2517
H-717M-25
M-258
H-117
R-4 3
A
BACKUP
LIGHT SW
(6VD1 M/T)
BACKUP
LIGHT
-LHBACKUP
LIGHT
-RH
0.85
R/B
0.75
R/B
0.5
R/LH-11
1 6M-8M-91
0.85
R/LH-55
BACKUP
LIGHT SW
(4JG2)
0.5
R/B
0.85
R/B
0.5
R/LH-5E-43
1 6E-421
0.5
R/L
0.85
R/L
0.5
R/L
1.25
B1.25
B 0.5
R/LH-328H-716A
BODY-RRR-133R-13
1
R-123
1R-12 0.75
R/B
H-116H-117
D08RWC64

8DÐ222 WIRING SYSTEM
Circuit Diagram (RHD W/Bumper Built-in Type RR Combination Light)
3.0
B/Y STARTER SW
(IG1)
MODE
SW
(A/T)
HAZARD
WARNING
SWITCH (8)0.5
R/B
0.5
R/B 0.5
R/B
0.85
R/B
0.5
R/L0.75
R/L 0.75
R/LC-3 10A
TURN,BACKH-2517
H-717M-25
M-258
H-117
R-4 3
A
BACKUP
LIGHT SW
(6VE1 M/T)
BACKUP
LIGHT
-LHBACKUP
LIGHT
-RH
0.85
R/B
0.75
R/B
0.5
R/LH-11M-8
2 6M-81
0.5
R/LH-414
BACKUP
LIGHT SW
(4JX1)
0.5
R/B
0.5
R/B
0.5
R/LH-4E-15
2 13E-151
0.5
R/L
0.85
R/L
0.5
R/L
1.25
B1.25
B 0.5
R/LH-328H-716A
BODY-RRR-132R-13
1
R-122
1R-12 0.75
R/B
H-116H-117
D08RWC65

WIRING SYSTEM 8DÐ223
Parts Location (RHD)
Legend
(1) Backup Light-RH
(2) R-12
(3) Backup Light-LH
(4) R-13
(5) R-4
(6) H-7, H-25(7) H-32
(8) M-8 (6V*1 M/T), E-42, E-43 (4JG2)
(9) Mode Switch (A/T), M-25
(10) H-4, H-5
(11) Fuse Box
(12) Backup Light Switch (M/T)
1122
4
3
5
6
7
8
9
10
11
D08RW881

8DÐ224 WIRING SYSTEM
Circuit Diagram (LHD)
3.0
B/Y STARTER SW
(IG1)
MODE
SW
(A/T)
HAZARD
WARNING
SWITCH (8)0.5
R/B
0.5
R/B 0.5
R/B
0.85
R/B
0.5
R/L0.75
R/L 0.75
R/LC-3 10A
TURN,BACKH-2517
H-84M-25
M-258
H-117
R-4 3
A
BACKUP
LIGHT SW
(6VD1 M/T)
BACKUP
LIGHT
-LHBACKUP
LIGHT
-RH
0.85
R/B
0.75
R/B
0.5
R/LH-11
1 6M-8M-91
0.85
R/LH-55
BACKUP
LIGHT SW
(4JG2)
0.5
R/B
0.85
R/B
0.5
R/LH-5E-43
1 6E-421
0.5
R/L
0.85
R/L
0.5
R/L
1.25
B1.25
B 0.5
R/LH-328H-812A
BODY-RRR-133R-13
1
R-123
1R-12 0.75
R/B
H-116H-117
D08RW942

WIRING SYSTEM 8DÐ225
Circuit Diagram (LHD W/Bumper Built-in Type RR Combination Light)
3.0
B/Y STARTER SW
(IG1)
MODE
SW
(A/T)
HAZARD
WARNING
SWITCH (8)0.5
R/B
0.5
R/B 0.5
R/B
0.85
R/B
0.5
R/L0.75
R/L 0.75
R/LC-3 10A
TURN,BACKH-2517
H-84M-25
M-258
H-117
R-4 3
A
BACKUP
LIGHT SW
(6VD1 M/T)
BACKUP
LIGHT
-LHBACKUP
LIGHT
-RH
0.85
R/B
0.75
R/B
0.5
R/LH-11
1 6M-8M-91
0.85
R/LH-55
BACKUP
LIGHT SW
(4JG2)
0.5
R/B
0.85
R/B
0.5
R/LH-5E-43
1 6E-421
0.5
R/L
0.85
R/L
0.85
R/L
1.25
B1.25
B 0.85
R/LH-328H-812A
BODY-RRR-132R-13
1
R-122
1R-12 0.75
R/B
H-116H-117
D08RW943

8DÐ226 WIRING SYSTEM
Parts Location (LHD)
Legend
(1) Backup Light-RH
(2) Backup Light-LH
(3) R-13
(4) R-4
(5) H-32
(6) H-8, H-25(7) Fuse Box
(8) Backup Light Switch (M/T)
(9) Mode Switch (A/T) M-25
(10) H-11
(11) H-5
(12) M-8, M-9, E-42, E-43
(13) R-12
11
1087653 2 131
12
9
4
D08RW371

WIRING SYSTEM 8DÐ227
Diagnosis
Quick Chart for Check Points
Check pointFuse
C-3
(10A)F-3
(15A)Backup
light
bulbHorn
SWHorn
relayCable
harness
1 Both backup lights inoperativeTrouble mode
2 Backup light on the left (or right)
side do not light up
3 Backup light remains on
Backup
light SW/
Mode SW

8DÐ228 WIRING SYSTEM
1 Both Backup Lights Inoperative
·IS FUSE C-3 (10A) NORMAL?
·IS R-4 GROUNDED SECURELY?
GROUND IT SECURELY
YES
REPLACE THE FUSE
NO
YESNO
·
·
YESNO
·
·SET THE TRANSMISSION GEAR TO THE REVERSE POSITION
WITH THE MODE SW (OR BACKUP LIGHT SW) CONNECTOR
DISCONNECTED, IS THERE CONTINUITY BETWEEN THE SW
SIDE CONNECTORS 5 C-43 AND 2 C-43 (1 E-42 AND
1 E-43 OR 1 M-8 AND 1 M-9 ) ?REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN THE FUSE C–3 (10A)
AND MODE SW (BACKUP LIGHT SW)
NO
REPAIR OR REPLACE THE MODE SW
(BACKUP LIGHT SW)
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 2 C-43 ( 1 E-43 OR
1 M-9 ) AND 8 H-32
TURN THE STARTER SW ON
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE MODE
SW (OR BACKUP LIGHT SW) HARNESS SIDE CONNECTORS
8 M-25 (1 E-42 , 1 M-8 OR 1 E-15 ) AND THE GROUND?

WIRING SYSTEM 8DÐ229
2 Backup Light On The Left (Or Right) Side Inoperative
3 Backup Light Remains ON
REPAIR OR REPLACE THE MODE SW (BACKUP LIGHT SW)
·IS THE BACKUP LIGHT BULB ON THE LEFT (OR RIGHT) SIDE
NORMAL?
YES
·WITH THE STARTER SW AND THE BACKUP LIGHT SW AT ON
POSITION, IS THE BATTERY VOLTAGE APPLIED BETWEEN
3 R-13 (OR 3 R-12 ) AND THE GROUND OR 2 R-13
(OR 2 R-12 ) AND THE GROUND?REPLACE THE BULB
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 8 H-32
AND 3 R-13 (OR 3 R-12 ) OR 8 H-32 AND 2 R-13
(OR 2 R-12 )
NOYES
REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN
OPEN CIRCUIT BETWEEN BACKUP LIGHT HARNESS SIDE
CONNECTOR 1 R-13 (OR 1 R-12 ) AND R-4