Opel Frontera UBS. Service manual — part 1665
8D–338
WIRING SYSTEM
Diagnosis
Quick Chart for Check Points
Check point
Fuse
Headlight
Headlight
Headlight
Alarm &
Cable
wiper
washer
relay
Trouble mode
C-7
C-4
wiper SW
motor
motor
control unit
harness
1. Headlight wipers and washer do not
operate on either side
2. Wiper on the left (or right) side does
not operate
3. Auto-stop function of the wiper on the
left (or right) side does not operate
4. Wiper on the left (or right) side does
not stop
5. Washer motor does not operate
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WIRING SYSTEM
8D–339
1.
Headlight Wipers And Washer Do Not Operate On Either Side
•
IS FUSE C-7 (10A) NORMAL?
YES
REPLACE THE FUSE C-7 (10A)
NO
•
TURN THE STARTER SWITCH ON
•
IS THE BATTERY VOLTAGE APPLIED BETWEEN
FUSE C-7 AND HEADLIGHT WIPER MOTOR
CONNECTOR TERMINAL 6 AND THE GROUND?
YES
NO
•
IS B-19 GROUNDED SECURELY?
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN FUSE C-7 AND HEADLIGHT
WIPER MOTOR
YES
GROUND IT SECURELY
NO
•
DISCONNECT THE HEADLIGHT WIPER
SWITCH CONNECTOR
•
IS THE CONTINUITY IN THE SWITCH
NORMAL?
YES
NO
REPAIR OR REPLACE THE HEADLIGHT
WIPER SW
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 6 I-4 AND B-19
8D–340
WIRING SYSTEM
•
DISCONNECT THE HEADLIGHT WIPER SWITCH
CONNECTOR
YES
REPAIR OR REPLACE THE HEADLIGHT
WIPER SWITCH
NO
•
DISCONNECT THE WIPER MOTOR CONNECTOR
THAT DOES NOT OPERATE
•
WITH THE SWITCH ON, IS THERE CONTINUITY
BETWEEN SWITCH CONNECTOR TERMINALS
7 I-4 AND 6 I-4 (5 I-4 AND 6 I-4 )?
•
TURN THE STARTER SWITCH ON
•
IS THERE BATTERY VOLTAGE APPLIED
BETWEEN THE HEADLIGHT WIPER MOTOR
HARNESS SIDE CONNECTOR 6 C-23 (6 C-30 )
AND GROUND?
YES
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN
(RHD)
6 C-23 (6 C-30 ) AND 15 H-7
(LHD)
6 C-23 (6 C-30 ) AND 11 H-8
NO
•
CONNECT THE MOTOR SIDE CONNECTOR
6 C-23 (6 C-30 )OF THE HEADLIGHT
WIPER MOTOR TO THE BATTERY (+)
TERMINAL AND 3 C-23 (3 C-30 ) TO THE
(–) TERMINAL
•
DOES THE MOTOR ROTATE?
YES
REPAIR OR REPLACE THE WIPER
MOTOR
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 3 C-23 AND
7 I-4 (3 C-30 AND 5 I-4 )
2.
Wiper On The Left (Or Right) Side Does Not Operate
WIRING SYSTEM
8D–341
NOTE:
If headlight wiper motor auto-stop on both sides does not function, it may be attributable either to
headlight wiper switch trouble or to poor grounding of connector
.
C-16
3.
Auto-stop Function Of The Wiper On The Left (Or Right) Side Does Not Operate
•
DISCONNECT THE HEADLIGHT WIPER SWITCH
CONNECTOR
YES
REPAIR OR REPLACE THE SWITCH
NO
•
RECONNECT THE HEADLIGHT WIPER SW
CONNECTOR AND DISCONNECT THE
HEADLIGHT WIPER MOTOR CONNECTOR
•
WITH THE SWITCH SET AT “OFF” POSITION, IS
THERE CONTINUITY BETWEEN THE SWITCH
CONNECTOR TERMINALS 7 I-4 AND 8 I-4
(4 I-4 AND 5 I-4 )?
•
IS THERE CONTINUITY BETWEEN
HARNESS SIDE CONNECTORS 3 C-23 AND
4 C-23 (3 C-30 AND 4 C-30 )?
YES
REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN 4 C-23 AND 8 I-4
(4 C-30 AND 4 I-4 )
NO
•
WITH THE WIPER MOTOR CONNECTOR 6 C-23
(6 C-30 ) CONNECTED TO THE BATTERY (+)
TERMINAL, AND 3 C-23 (3 C-30 ) TO THE (–)
TERMINAL, ROTATE THE MOTOR.
•
WHILE ROTATING THE MOTOR, CHANGE THE
CONNECTION OF THE (–) TERMINAL TO
2 C-23 (2 C-30 ) AND CONNECT 3 C-23
(3 C-30 ) TO 4 C-23 (4 C-30 )
YES
REPAIR OR REPLACE THE HEADLIGHT
WIPER MOTOR
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT
[LHD]
BETWEEN 2 C-23 (2 C-30 ) AND 4 C-16
[RHD]
BETWEEN 2 C-23 (2 C-30 ) AND 4 C-16
•
DOES THE MOTOR STOP AT THE AUTO-STOP
POSITION?
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