Opel Frontera UBS. Service manual — part 699
8D–226
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
10
8
7
6
5
3
2
13
1
12
9
4
D08RW371
WIRING SYSTEM
8D–227
Diagnosis
Quick Chart for Check Points
Check point
Fuse
C-3
(10A)
F-3
(15A)
Backup
light
bulb
Horn
SW
Horn
relay
Cable
harness
1
Both backup lights inoperative
Trouble mode
2
Backup light on the left (or right)
side do not light up
3
Backup light remains on
Backup
light SW/
Mode SW
8D–228
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
YES
NO
•
•
YES
NO
•
•
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
8D–229
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 )
NO
YES
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
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