Isuzu Rodeo UE. Manual - part 581

8D–172

WIRING SYSTEM

Diagnosis

Rear Wiper Motor Does Not Operate

Step

Action

Value(s)

Yes

No

1

Is the fuse 17 normal?

—

Go to Step 2

Replace the

fuse

2

1. Disconnect the rear wiper/washer switch connector

I–16.

2. Turn the rear wiper switch on.

Is there continuity between switch side connector I–16
terminal 5 and 7?

—

Go to Step 3

Repair or

replace the

switch

3

Turn the starter switch on

Is the battery voltage applied between harness side
connector I–16 terminal 5 and the ground?

Approx. 12V

Go to Step 5

Go to Step 4

4

Repair an open circuit between the fuse 17 and
connector I–16 terminal 5.

Is the action complete?

—

Go to Step 3

—

5

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

Is the battery voltage applied between harness side
connector I–41terminal 12 or connector I–42 terminal
26 and the ground?

Approx. 12V

Go to Step 7

Go to Step 6

6

Repair an open circuit between the fuse 17 and
connector I–41 terminal 12 or connector I–42 terminal
26.

Is the action complete?

—

Go to Step 5

—

7

Is there continuity between harness side connector
I–16 terminal 7 and harness side connector I–42
terminal 5 or connector I–41 terminal 15?

—

Go to Step 9

Go to Step 8

8

Repair an open circuit between connector I–16
terminal 7 and connector I–42 terminal 5 or connector
I–41 terminal 15.

Is the action complete?

—

Go to Step 7

—

9

1. Disconnect the rear wiper motor connector G–6.
2. Connect the battery positive terminal with the motor

side connector G–6 terminal 4 and the battery
negative terminal with the motor side connector
G–6 terminal 6.

Does the motor operate?

—

Go to Step 10

Repair or

replace the

motor

10

Is there continuity between harness side connector
I–41 terminal 6 or connector I–42 terminal 12 and
harness side connector G–6 terminal 4?

—

Go to Step 12

Go to Step 11

11

Repair an open circuit between connector I–41
terminal 6 or connector I–42 terminal 12 and connector
G–6 terminal 4.

Is the action complete?

—

Go to Step 10

—

8D–173

WIRING SYSTEM

Step

No

Yes

Value(s)

Action

12

Is there continuity between harness side connector
I–41 terminal 5 or I–42 terminal 11 and harness side
connector G–6 terminal 6?

—

Go to Step 13

Replace the

alarm & relay

control unit

13

Repair an open circuit between connector G–6 terminal
6 and connector I–41 terminal 5 or connector I–42
terminal 11.

Is the action complete?

—

Verify repair

—

8D–174

WIRING SYSTEM

Auto-Stop Function Of The Rear Wiper Motor Does Not Operate

Step

Action

Value(s)

Yes

No

1

1. Disconnect the rear wiper motor connector G–6
2. Connect the battery positive terminal with the motor

side connector G–6 terminal 4 and the battery
negative terminal with terminal 6.

3. While the motor is operating, disconnect the battery

positive terminal from terminal 4 and then connect it
with terminal 5 again.

4. Under this condition, connect the motor side

connector terminal 1 with terminal 4.

Does the motor stop at the correct position?

—

Go to Step 2

Repair or

replace the

motor

2

Turn the start switch on

Is the battery voltage applied between harness side
connector G–6 terminal 5 and the ground?

Adpprox. 12V

Go to Step 4

Go to Step 3

3

Repair an open circuit between the fuse 17 and
connector G–6 terminal 5.

Is the action complete?

—

Go to Step 2

—

4

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

Is there continuity between harness side connector
G–6 terminal 1 and harness side connector I–42
terminal 2 or connector I–42 terminal 8?

—

Replace the

alarm & relay

control unit

Go to Step 5

5

Repair an open circuit between connector G–6 terminal
1 and connector I–42 terminal 2 or connector I–42
terminal 8.

Is the action complete?

—

Verify repair

—

Rear Wiper Motor Does Not Operate With Rear Wiper/Washer Switch At Wiper Position

Step

Action

Value(s)

Yes

No

1

1. Disconnect the rear wiper/washer switch connector

I–16.

2. Turn the switch to rear wiper position.

Is there continuity between the switch side connector
I–16 terminal 5 and 7?

—

Go to Step 2

Repair or

replace the

switch

2

1. Reconnect the rear wiper/washer switch connector

I–16.

2. Disconnect the alarm & 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 5 or connector I–41 terminal 15
and the ground?

Approx. 12V

Replace the

alarm & relay

control unit

Go to Step 3

3

Repair an open circuit between connector I–16
terminal 7 and connector I–42 terminal 5 or connector
I–41 terminal 15.

Is the action complete?

—

Verify repair

—

8D–175

WIRING SYSTEM

Rear Wiper Motor Does Not Operate With Rear Wiper/Washer Switch At Washer Position

Step

Action

Value(s)

Yes

No

1

1. Disconnect the rear wiper/washer switch connector

I–16.

2. Turn the switch to the washer position.

Is there continuity between the switch side connector
I–16 terminal 8 and 4?

—

Go to Step 2

Repair or

replace the

switch

2

1. Reconnect the rear wiper/washer switch connector

I–16.

2. Disconnect the alarm & 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 6 or connector I–41 terminal 16
and the ground?

Approx. 12V

Replace the

alarm & relay

control unit

Go to Step 3

3

Repair an open circuit between connector I–16
terminal 4 and connector I–42 terminal 6 or connector
I–41 terminal 16.

Is the action complete?

—

Verify repair

—

Rear Wiper Motor Does Not Stop Operating

Step

Action

Value(s)

Yes

No

1

1. Disconnect the rear wiper/washer switch connector

I–16.

2. Turn the switch to the off position.

NOTE: There should be no continuity.

Is there continuity between the switch side connector
I–16 terminal 5 and 7?

—

Repair or

replace the

switch

Replace the

alarm& relay

control unit