Isuzu Rodeo UE. Manual - part 579

8D–164

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 16 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 or connector I–41 terminal 25
and the ground?

Approx. 12V

Go to Step 7

Go to Step 6

6

Repair an open circuit between the fuse 16 and
connector I–41 terminal 3 or connector I–41 terminal
25.

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 or connector I–42 terminal 1
and the ground?

Approx.

12Vintermitte

ntly

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 or connector
I–42 terminal 1.

Is the action complete?

—

Go to Step 7

—

8D–165

WIRING SYSTEM

Step

No

Yes

Value(s)

Action

9

1. Connect the alarm and relay control unit harness

side connector I–41 terminal 4 and connector I–42
terminal 11 or connector I–42 terminal 1 and 24.

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 connector I–42 terminal 11 or connector
I–42 terminal 24.

Is the action complete?

—

Verify repair

—

8D–166

WIRING SYSTEM

Windshield Wiper Motor Does Not Stop

Step

Action

Value(s)

Yes

No

1

Repair or replace the windshield wiper and washer
switch.

NOTE: There should be continuity between the switch
side connector I–31 terminal 5 and 6 only when the
switch is turned to the off position.

Is the action complete?

—

Verify repair

—

Windshield Washer Motor Does Not Operate

Step

Action

Value(s)

Yes

No

1

Does the windshield wiper motor operate?

—

Go to Step 6

Go to Step 2

2

Is the fuse 16 normal?

—

Go to Step 3

Replace the

fuse

3

1. Disconnect the windshield wiper and washer switch

connector I–31.

2. Turn the starter switch on.

Is the battery voltage applied between harness side
connector I–31 terminal 1 and the ground?

Approx. 12V

Go to Step 5

Go to Step 4

4

Repair an open circuit between the fuse 16 and
connector I–31 terminal 1.

Is the action complete?

—

Go to Step 3

—

5

Is C–16 grounded securely?

—

Go to Step 6

Ground it

securely

6

Turn the windshield wiper and washer switch to the
washer position.

Is there continuity between switch side connector I–31
terminal 1 and 7?

—

Go to Step 7

Repair or

replace the

switch

7

1. Disconnect the windshield washer motor connector

C–28.

2. Connect the battery positive terminal with the motor

side connector C–28 terminal 1 and connect the
battery negative terminal with terminal 2.

Does the motor operate?

—

Go to Step 8

Repair or

replace the

motor

8

1. Reconnect the windshield wiper and washer switch

connector I–31.

2. Turn the starter switch on.

Is the battery voltage applied between harness side
connector C–28 terminal 2 and the ground?

Approx. 12V

Go to Step 10

Go to Step 9

9

Repair an open circuit between connector I–31
terminal 7 and connector C–28 terminal 1.

Is the action complete?

—

Verify repair

—

10

Repair an open circuit between connector C–28
terminal 2 and the ground C–16.

Is the action complete?

—

Verify repair

—

8D–167

WIRING SYSTEM

Rear Wiper/Washer

General Description

The system consists of the rear wiper and washer switch,
the rear wiper motor, the rear washer motor the alarm &
relay control unit and relays. The rear wiper provides
intermittent and riseup functions and is controlled by the
alarm & relay control unit. When the hatch gate is open,
the rear wiper does not operate. The hatch gate actuator
does not operate while the rear wiper is operating.