Opel Frontera UBS. Service manual — part 2735
8D–140
WIRING SYSTEM
REPAIR OR REPLACE THE LIGHTING SW
1-10. Passing Lights Inoperative
•
DISCONNECT THE DIMMER•PASSING SW CONNECTOR
YES
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 5 H-15 AND
14 B-12
REPAIR OR REPLACE THE SWITCH
NO
•
WITH THE SWITCH AT PASSING POSITION, IS THERE
CONTINUITY BETWEEN THE SWITCH CONNECTOR TERMINALS
14 B-12 AND 16 B-12 , AND 15 B-12 AND 16 B-12 ?
1-9. Headlights Come On With The Lighting SW At The Clearance Light Position
WIRING SYSTEM
8D–141
2-1. Both Headlights Inoperative
•
IS THE LIGHTING RELAY NORMAL?
YES
REPLACE THE RELAY
NO
•
IS B-19 GROUNDED SECURELY?
YES
NO
GROUND IT SECURELY
•
IS THE DIODE NORMAL ?
YES
NO
REPLACE THE DIODE
•
IS THE DIMMER RELAY NORMAL?
YES
NO
REPLACE THE RELAY
•
•
DISCONNECT THE LIGHTING SW CONNECTOR
YES
NO
•
•
REMOVE THE LIGHTING SW
YES
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN THE FUSIBLE LINK
FL-1 (80A) AND 1 B-12
REPAIR OR REPLACE THE LIGHTING SW
REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN THE LIGHTING SW HARNESS SIDE
CONNECTOR 7 B-12 AND B-19
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE
HARNESS SIDE CONNECTOR 1 B-12 AND GROUND?
IS THERE CONTINUITY BETWEEN 1 B-12 AND 7 B-12 WHEN
SETTING THE LIGHTING SW AT THE HEADLIGHT POSITION?
8D–142
WIRING SYSTEM
2-2. Headlight On The Left (Or Right) Side Inoperative
•
IS THE HEADLIGHT BULB ON THE LEFT (OR RIGHT) SIDE
NORMAL?
YES
REPLACE THE BULB
NO
•
IS 7 C-39 (OR 5 C-39 ) GROUNDED SECURELY? (RH)
IS 4 C-39 (OR 7 C-16 ) GROUNDED SECURELY? (LH)
YES
NO
GROUND IT SECURELY
REPAIR AN OPEN CIRCUIT BETWEEN
3 C-32 AND 7 C-39 (OR 5 C-39 ) (RH)
3 C-21 AND 4 C-39 (OR 7 C-16 ) (LH)
•
IS THE DIMMER RELAY NORMAL?
YES
REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 2 X-3 AND FUSE F-6 (10A)
NO
REPLACE THE RELAY
2-3. Both Headlights In Low-Beam Inoperative
WIRING SYSTEM
8D–143
2-4. Headlight Low-Beam On The Left (Or Right) Side Inoperative
2-5. Both Headlights In High-Beam Inoperative
•
IS THE HEADLIGHT BULB NORMAL?
YES
NO
REPLACE THE BULB
•
IS THE FUSE F-6 (10A) (OR F-7 (10A)) NORMAL?
YES
REPAIR A POOR CONNECTION AT THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN FUSE F-6 (10A) AND 1 C-21
(OR FUSE F-7 (10A) AND 1 C-32 )
NO
REPLACE THE FUSE
•
IS THE DIMMER RELAY NORMAL?
YES
NO
REPLACE THE RELAY
•
•
DISCONNECT THE DIMMER·PASING SW CONNECTOR
IS THERE ANY CONTINUITY BETWEEN THE SWITCH SIDE
CONNECTOR 15 B-12 AND 16 B-12 WHEN THE
SWITCH IS AT HIGH-BEAM POSITION?
YES
NO
REPAIR OR REPLACE THE SWITCH
•
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE
HARNESS SIDE CONNECTOR 15 B-12 AND GROUND
WHEN THE SWITCH IS AT HIGH-BEAM POSITION?
YES
NO
REPAIR A POOR CONNECTION AT THE CONNEC-
TORS OR AN OPEN CIRCUIT BETWEEN 5 X-3
AND 15 B-12
REPAIR A POOR CONNECTION AT THE CONNECTOR OR AN
OPEN CIRCUIT BETWEEN 3 X-3 AND FUSE F-4 (10A)
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