Opel Frontera UBS. Manual - part 2751

 

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Opel Frontera UBS. Manual - part 2751

 

 

8D–204

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–205

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–206

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–207

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

 

 

 

 

 

 

 

Content   ..  2749  2750  2751  2752   ..