Opel Frontera UBS. Service manual - part 699

 

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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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