Opel Frontera UBS. Manual - part 727

8D – 338 WIRING SYSTEM

2.

Wiper On The Left (Or Right) Side Does Not Operate

•

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   )

WIRING SYSTEM 8D – 339

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?

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   .

8D – 340 WIRING SYSTEM

4.

Wiper On The Left (Or Right) Side Does Not Stop

•

STOP THE WIPER MOTOR AT THE AUTO-STOP
POSITION

YES

REPAIR A SHORT CIRCUIT BETWEEN
3  C-23  AND 7   I-4   (3  C-30  AND
5   I-4   )

NO

•

IS THE CONTINUITY IN THE HEADLIGHT
WIPER SWITCH NORMAL?

YES

REPAIR OR REPLACE THE SWITCH

NO

•

DISCONNECT THE WIPER MOTOR CONNECTOR

•

IS THERE CONTINUITY BETWEEN THE MOTOR
SIDE CONNECTOR TERMINALS 4  C-23  AND
2  C-23  (4  C-30  AND 2  C-30  )?

YES

REPAIR A SHORT CIRCUIT BETWEEN
4  C-23  AND 8   I-4   (4  C-30  AND
4   I-4   )

NO

REPAIR THE WIPER MOTOR AUTO-STOP MECHANISM,
OR REPLACE THE MOTOR

•

DISCONNECT THE HEADLIGHT WIPER SWITCH
CONNECTOR

•

TURN THE STARTER SWITCH ON

•

DOES THE WIPER MOTOR REMAIN STOPPED?

WIRING SYSTEM 8D – 341

5.

Washer Motor Does Not Operate

•

DISCONNECT THE HEADLIGHT WASHER MOTOR
CONNECTOR

YES

REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN 1  C-36  AND FUSE C-7 (10A)

NO

•

CONNECT THE MOTOR SIDE CONNECTOR
TERMINAL 1  C-36  TO THE BATTERY (+)
TERMINAL, AND 2  C-36  TO THE (–) TERMINAL

YES

REPAIR OR REPLACE THE MOTOR

NO

•

DISCONNET THE ALARM & RELAY CONTROL
UNIT CONNECTOR   B-6

•

TURN THE STARTER SWITCH ON

YES

REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN FUSE C-4 (10A) AND 1   B-6

NO

•

TURN THE STARTER SWITCH ON

•

IS THERE BATTERY VOLTAGE APPLIED
BETWEEN THE WASHER MOTOR HARNESS SIDE
CONNECTOR 1  C-36  AND THE GROUND?

•

DOES THE MOTOR ROTATE?

•

IS THERE BATTERY VOLTAGE APPLIED BETWEEN
THE CONTROL UNIT HARNESS SIDE CONNECTOR
1  B-6   AND THE GROUND?

•

RECONNECT THE HEADLIGHT WASHER MOTOR CONNECTOR

YES

NO

•

IS FUSE C-4 (10A) NORMAL?

YES

REPLACE THE FUSE

NO

•

IS THERE CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTORS 12   B-6    AND 5   C-23

YES

NO

REPLACE THE ALARM & RELAY CONTROL UNIT

REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT IN
THE CIRCUIT

REPAIR A POOR CONNECTION AT THE
CONNECTORS OR AN OPEN CIRCUIT
BETWEEN 2  C-36  AND 10   B-7

•

IS THERE BATTERY VOLTAGE APPLIED BETWEEN THE
HARNESS SIDE CONNECTOR 10  B-7   AND THE GROUND?