Opel Frontera UE. Manual - part 1677

8D–138

WIRING SYSTEM

Diagnosis

Windshield Wiper Does Not Operate At Any Switch Position

Step

Action

Value(s)

Yes

No

1

Is the fuse C–17 normal?

—

Go to Step 2

Replace the

fuse

2

Is C–36 grounded securely?

—

Go to Step 3

Ground it

securely

3

Disconnect the windshield wiper motor connector
C–27.

Is there continuity between harness side connector
C–27 terminal 3 and the ground?

—

Go to Step 5

Go to Step 4

4

Repair an open circuit between connector C–27
terminal 3 and the ground C–36.

Is the action complete?

—

Go to Step 3

—

5

1. Disconnect the windshield wiper & washer switch

connector I–31.

2. Turn the starter switch on.

Is the battery voltage applied between harness side
connector I–31 terminal 3 and the ground?

Approx. 12V

Go to Step 7

Go to Step 6

6

Repair an open circuit between the fuse C–17 and
connector I–31 terminal 3.

Is the action complete?

—

Go to Step 5

—

7

Is the continuity between the windshield wiper and
washer switch terminal normal?

—

Repair or

replace the

windshield

wiper motor

Repair or

replace the

switch

SECTION

8D–139

WIRING SYSTEM

Windshield Wiper Does Not Operate At “INT” Position

Step

Action

Value(s)

Yes

No

1

1. Disconnect the windshield wiper and washer switch

connector I–31.

2. Turn the windshield wiper and washer switch to INT

position.

Is there continuity between switch side connector I–31
terminal 2 and 3, 5 and 6?

—

Go to Step 2

Repair or

replace the

switch

2

Is B–8 grounded securely?

—

Go to Step 3

Ground it

securely

3

1. Reconnect the windshield wiper and washer switch

connector I–31.

2. Disconnect the alarm and relay control unit

connector I–41 and I–42.

3. Turn the starter switch on.

Is the battery voltage applied between harness side
connector I–42 terminal 7 and the ground?

Approx. 12V

Go to Step 5

Go to Step 4

4

Repair an open circuit between connector I–31
terminal 2 and the alarm & relay control unit.

Is the action complete?

—

Verify repair

—

5

Is the battery voltage applied between harness side
connector I–41 terminal 3 and the ground?

Approx. 12V

Replace the

alarm and

relay control

unit

Go to Step 6

6

Repair an open circuit between the fuse C–17 and the
alarm & relay control unit.

Is the action complete?

—

Verify repair

—

Windshield Wiper Does Not Operate At “LO” Position

Step

Action

Value(s)

Yes

No

1

Repair or replace the windshield wiper and washer
switch.

NOTE: There should be continuity between switch
side connector I–31 terminal 3 and 5 with the switch
turned to the LOW position.

Is the action complete?

—

Verify repair

—

SECTION

8D–140

WIRING SYSTEM

Windshield Wiper Does Not Operate At “HI” Position

Step

Action

Value(s)

Yes

No

1

1. Disconnect the windshield wiper and washer switch

connector I–31.

2. Turn the windshield wiper and washer switch to the

HIGH position.

Is there continuity between switch side connector I–31
terminal 3 and 4?

—

Go to Step 2

Repair or

replace the

switch

2

1. Reconnect the windshield wiper and washer switch

connector I–31.

2. Disconnect the windshield wiper motor connector

C–27.

3. Turn the starter switch on.

Is the battery voltage applied between harness side
connector C–27 terminal 1 and the ground?

Approx. 12V

Repair or

replace the

windshield

wiper motor

Go to Step 3

3

Repair an open circuit between connector I–31
terminal 4 and connector C–27 terminal 1.

Is the action complete?

—

Verify repair

—

SECTION

8D–141

WIRING SYSTEM

Auto–Stop Function Of The Windshield Wiper Motor Does Not Operate

Step

Action

Value(s)

Yes

No

1

Disconnect the windshield wiper and washer switch

connector I–31.

Turn the windshield wiper and washer switch off.

Is there continuity between switch side connector I–31
terminal 5 and 6?

—

Go to Step 2

Repair or

replace the

switch

2

Disconnect the windshield wiper motor connector

C–27.

Turn the starter switch on.

Is the battery voltage applied between harness side
connector C–27 terminal 6 and the ground?

Approx. 12V

Go to Step 4

Go to Step 3

3

Repair an open circuit between the fuse C–17 and
connector C–27 terminal 6.

Is the action complete?

—

Go to Step 2

—

4

1. Connect the battery positive terminal with motor

side connector C–27 terminal 2 and the battery
negative terminal with terminal 3.

2. While the motor is operating at low speed,

disconnect the battery positive terminal from
terminal 2 and then connect it with terminal 6 again.

3. Under this condition, connect motor side connector

terminal 5 with terminal 2.

Does the motor stop at the correct position?

—

Go to Step 5

Repair or

replace the

motor

5

Disconnect the alarm and relay control unit connector
I–41 and I–42.

Is the battery voltage applied between harness side
connector I–41 terminal 3 and the ground?

Approx. 12V

Go to Step 7

Go to Step 6

6

Repair an open circuit between the fuse C–17 and
connector I–41 terminal 3.

Is the action complete?

—

Go to Step 5

—

7

1. Reconnect the windshield wiper and washer switch

connector I–31 and windshield wiper motor
connector C–27.

2. Turn the windshield wiper and washer switch to the

low position.

Is the battery voltage applied between harness side
connector I–41 terminal 4 and the ground?

Approx. 12V

intermittently

Go to Step 9

Go to Step 8

8

Repair an open circuit between connector C–27
terminal 5 and connector I–41 terminal 4.

Is the action complete?

—

Go to Step 7

—

9

1. Connect the alarm and relay control unit harness

side connector I–41 terminal 4 and connector I–41
terminal 1.

2. Turn the windshield wiper and washer switch to the

off position.

Does the motor stop at the correct position?

—

Replace the

alarm and

relay control

unit

Go to Step 10

10

Repair an open circuit between connector I–31
terminal 6 and the alarm & relay control unit.

Is the action complete?

—

Verify repair

—

SECTION