Opel Frontera UBS. Manual - part 686

8D–174

WIRING SYSTEM

1-7  License Plate Light On The Left (Or Right) Side Inoperative

(RHD-2)

IS THE LICENSE PLATE LIGHT BULB ON THE LEFT
(OR RIGHT) SIDE NORMAL?

•

•

YES

NO

REPLACE THE BULB

WITH THE LIGHTING SWITCH AT THE CLEARANCE
LIGHT POSITION, IS THE BATTERY VOLTAGE APPLIED
BETWEEN 1   F-9   (OR 1   F-10  ) AND THE GROUND?

YES

NO

REPAIR A POOR CONNECTION AT 
THE CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 10  H-32  AND
1   F-9   (OR 9   H-32   AND 1   F-10  )

REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 2  F-9   (OR 2   F-10  )
AND   R-4

WIRING SYSTEM

8D–175

2-1  All Illumination Lights Inoperative

•

IS TAIL RELAY NORMAL?

YES

NO

REPLACE THE RELAY

•

IS THE CONTINUITY IN THE LIGHTING SWITCH NORMAL?

YES

NO

REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN
OPEN CIRCUIT BETWEEN 7      B-12    AND    B-19

REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT IN THE
CIRCUIT BETWEEN FUSE F-12 AND 8    B-12

YES

NO

REPAIR OR REPLACE THE SWITCH

•

IS   B-19    GROUNDED SECURELY?

YES

NO

GROUND IT SECURELY

•

IS THE BATTERY VOLTAGE APPLIED BETWEEN 8     B-12
AND GROUND WHEN LIGHTING SWITCH IS ON?

2-2  Both Taillights Inoperative

•

DOES THE LICENCE PLATE LIGHT LIGHT UP WHEN THE
LIGHTING SWITCH IS AT THE CLEARANCE LIGHT 
POSITION?

YES

REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 1    R-13      (1     R-12     )
AND     R-4   , OR 2   F-7   (2   F-8   ) AND   R-4

NO

GROUND     R-4     SECURELY

8D–176

WIRING SYSTEM

2-3  Taillight On The Left (Or Right) Side Inoperative

IS FUSE F-11 (10A) (OR F-12 (10A)) NORMAL?

•

•

YES

NO

IS THE TAILLIGHT BULB ON THE LEFT (OR RIGHT)
SIDE NORMAL?

•

YES

NO

REPLACE THE BULB

REPLACE THE FUSE

WITH THE LIGHTING SWITCH AT THE CLEARANCE
LIGHT POSITION, IS THE BATTERY VOLTAGE APPLIED
BETWEEN 6  R-13  (OR 6  R-12 ) AND THE GROUND,
OR 4  F-7  (OR 4  F-8  ) AND THE GROUND?

YES

NO

REPAIR A POOR CONNECTION AT 
THE CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 10  H-32  AND
6  R-13  (OR 9  H-32  AND 6  R-12  ),
OR 10  H-32  AND 4  F-7  (OR 9  H-32
AND 4  F-8  )

REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 1  R-13  (OR 1  R-12  )
AND  R-4  , OR 2   F-7   (OR 2   F-8  ) AND   R-4

2-4  Both Clearance Lights Inoperative

•

IS  1  C-16   (2   C-16   : 4ZE1) GROUNDED SECURELY?

YES

REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 1    C-16     (2   C-16   : 4ZE1)
AND 1    C-22   (1    C-31    )

NO

GROUND IT SECURELY

WIRING SYSTEM

8D–177

2-5  Clearance Light On The Left (Or Right) Side Operative

•

IS THE CLERANCE LIGHT BULB ON THE LEFT (OR
RIGHT) SIDE NORMAL?

YES

NO

REPLACE THE BULB

•

IS THERE  ANY CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR
2    C-22     AND FUSE F-11 (10A)

2    C-31     AND FUSE F-12 (10A)

YES

NO

REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT IN
THE CIRCUIT

REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 1    C-22     (OR 1    C-31     )
AND 1    C-16    (OR 2    C-16    : 4ZE1)

2-6  License Plate Light Inoperative

(LHD-1)

•

DOES THE BOTH TAILLIGHT LIGHT UP WHEN THE LIGHTING 
SWITCH IS AT THE CLEARANCE LIGHT POSITION?

YES

NO

GROUND     R-4     SECURELY

•

IS THE LICENCE PLATE LIGHT BULB NORMAL?

YES 

NO

REPLACE THE BULB

REPLACE THE FUSE

•

IS THERE ANY CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR
1    G-8      AND 1   H-39    ?

YES

NO

REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT IN
THE CIRCUIT

REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 2     G-8     AND
   R-4

•

IS FUSE F-12 (10A) NORMAL?

YES

NO