Opel Frontera UBS. Service manual — part 1620
8D–158
WIRING SYSTEM
Diagnosis
Quick Chart for Check Points
Trouble mode
Check point
Both actuators inoperative
Actuator on the left (or right) side inoperative
Actuator on the left (or right) side does not
stop
1.
2.
3.
Fuse C-4 (15A)
Leveling SW
Actuator
Cable harness
LH
RH
WIRING SYSTEM
8D–159
1. Both Actuators Inoperative
YES
REPLACE THE FUSE
NO
•
IS THE FUSE C-4 (15A) NORMAL?
IS 6 C-16 AND 7 C-16 GROUNDED
SECURELY?
YES
GROUND THEM SECURELY
NO
•
IS THE CONTINUITY IN THE HEADLIGHT
LEVELING SW NORMAL?
•
YES
REPAIR OR REPLACE THE SWITCH
NO
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR OPEN CIRCUIT BETWEEN
FUSE C-4 AND 6 I-30
2. Actuator On The Left (Or Right) Side Inoperative
YES
REPAIR OR REPLACE THE ACTUATOR
NO
•
DOES THE ACTUATOR-LH (OR RH) OPERATES
NORMALLY WHEN THE BATTERY IS CONNECTED
TO THE ACTUATOR CONNECTOR TERMINALS?
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR A OPEN CIRCUIT BETWEEN
FUSE C-4 AND 4 C-77 (OR 4 C-76 )
8D–160
WIRING SYSTEM
3. Actuator On The Left (Or Right) Side Does Not Stop
YES
REPAIR OR REPLACE THE ACTUATOR
(FAILURE OF THE SENSOR OR A SHORT
CIRCUIT IN THE ACTUATOR)
NO
•
IS THERE CONTINUITY BETWEEN MOTOR
CONNECTOR TERMINALS 4 C-77 AND 6 C-77
(OR 4 C-76 AND 6 C-76 )?
REPAIR OR REPLACE THE ACTUATOR (FAILURE
OF THE RELAY IN THE ACTUATOR)
WIRING SYSTEM
8D–161
Clearance Light, Taillight and
License Plate Light
General Description
The circuit consists of the lighting switch, clearance
light, taillight and license plate light.
All these lights come on when the lighting switch
are turned on with the switch to either clearance or
headlight position.
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