Opel Frontera UBS. Service manual — part 693
8D–202
WIRING SYSTEM
Diagnosis
Quick Chart for Check Points
Check point
Fuse
C-3
(10A)
F-3
(15A)
Turn
signal
SW
Hazard
SW
Flasher
unit
Turn
signal
bulb
Cable
harness
1 Both turn signal lights and hazard
warning lights inoperative
Trouble mode
2 Turn signal light flashes too quickly
3 Hazard warning lights inoperative
4 Turn signal lights inoperative
5 Turn signal lights on the right (or left) side
inoperative
6 Hazard warning lights on the right (or left)
side inoperative
7 Turn signal lights and hazard warning
ligths on the right (or left) side inoperative
WIRING SYSTEM
8D–203
1 Both Turn Signal Lights and Hazard Warning Lights Inoperative
2 Turn Signal Light Flashes Too Quickly
REINSTALL OR REPLACE THE BULB, REPAIR AN OPEN
CIRCUIT IN THE CIRCUIT, OR CHECK THE GROUND
CONNECTION
•
IS THE HAZARD WARNING SW NORMAL?
YES
NO
REPAIR OR REPLACE THE SW
•
•
•
REMOVE THE FLASHER UNIT
TURN THE STARTER SW ON
IS THE BATTERY VOLTAGE APPLIED BETWEEN
1 B-53 AND THE GROUND?
YES
NO
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN 7 I-11 AND 1 B-53
•
IS B-19 GROUNDED SECURELY?
YES
NO
GROUND IT SECURELY
•
IS THERE ANY CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR 3 B-53 AND THE GROUND?
YES
NO
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN 3 B-53 AND B-19
REPLACE THE FLASHER UNIT
8D–204
WIRING SYSTEM
3 Hazard Warning Lights Inoperative
•
IS THE FUSE F-3 (15A) NORMAL?
YES
NO
REPLACE THE FUSE
•
IS THE HAZARD WARNING SW NORMAL?
YES
NO
REPAIR OR REPLACE THE SW
•
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE
SW HARNESS SIDE CONNECTOR 2 I-11
AND GROUND?
YES
NO
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN FUSE F-3 (15A) AND 2 I-11
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 2 B-53 AND
5 I-11
WIRING SYSTEM
8D–205
4 Turn Signal Lights Inoperative
•
IS FUSE C-3 (10A) NORMAL?
YES
•
•
•
DISCONNECT THE CONNECTOR OF THE HAZARD
WARNING SWITCH
TURN THE STARTER SWITCH ON.
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE
HAZARD WARNING SWITCH HARNESS SIDE CONNECTOR
8 I-11 AND GROUND?
REPLACE THE FUSE
NO
YES
•
WITH THE HAZARD WARNING SWITCH TURNED OFF, IS
THERE ANY CONTINUITY BETWEEN THE SWITCH
CONNECTORS 7 I-11 AND 8 I-11 ?
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN THE FUSE C-3 (10A)
AND 8 I-11 .
NO
YES
REPAIR OR REPLACE THE SWITCH
NO
•
•
DISCONNECT THE TURN SIGNAL SWITCH CONNECTOR
IS THERE ANY CONTINUITY BETWEEN THE SWITCH
CONNECTORS 3 B-12 AND 4 B-12 (WHEN TURNING TO
THE LEFT), AND BETWEEN 3 B-12 AND 5 B-12 (WHEN
TURNING TO THE RIGHT)?
YES
REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN
OPEN CIRCUIT BETWEEN THE HARNESS SIDE CONNECTORS
2 B-53 AND 3 B-12 .
REPAIR OR REPLACE THE SWITCH.
NO
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