Isuzu KB P190. Manual — part 1304

8A-278 ELECTRICAL-BODY AND CHASSIS

REMOVAL AND INSTALLATION

WIPER AND WASHER SWITCH

Removal

Refer to the removal steps of the LIGHTING SWITCH
(COMBINATION SWITCH) in “ LIGHTING “ of this section.

Installation

Follow the removal procedure in the reverse order to install the
wiper and washer switch.

RTW780SH001601

This illustration is based on RHD model

Pay close attention to the important points mentioned in the
following paragraphs.

Connector

Be absolutely sure that the wiper and washer switch connector
is securely connected.
This will prevent a poor contact and an open circuit.

ELECTRICAL-BODY AND CHASSIS 8A-279

INSPECTION AND REPAIR

Switch side

B59

Control Switch Connections

Terminal

No.

SW position

6 3 5 4 2 7 1

Mist

Off

INT

Lo

Hi

Wash

Wiper Motor Inspection

Connector

Low Speed Inspection

1. Clamp the wiper motor in a vise.

The moving parts must be clear of the vise.

2. Connect the connector terminals to the battery.

Refer to the illustration.

3. Check the wiper motor low speed operation.

8A-280 ELECTRICAL-BODY AND CHASSIS

High Speed Inspection

1. Clamp the wiper motor in a vise.

The moving parts must be clear of the vise.

2. Connect the connector terminals to the battery.

Refer to the illustration.

3. Check the wiper motor high speed operation.

Auto-Stop Inspection

1. Clamp the wiper motor in a vise.

The moving parts must be clear of the vise.

2. Connect the connector terminals to the battery.

Refer to the illustration.

3. Check the wiper motor low speed operation.

4. Disconnect the positive battery terminal.

This will stop the motor.

5. Connect the connector terminals No. 3 and No. 6 with a

lead wire.

Refer to the illustration.

6. Reconnect the positive battery terminal to connector

terminal No. 4.

This will restart the motor.

Refer to the illustration.

7. Check the auto-stop operation.

Washer Motor Inspection

1. Fill the washer tank with washing solution.

2. Disconnect the motor connector.

3. Apply battery voltage to the washer motor connector.

4. Check the washer motor operation.

ELECTRICAL-BODY AND CHASSIS 8A-281

WIPER MOTOR AND LINKAGE

Removal

1. Disconnect the wiper arm nut cap

1

.

2. Remove the wiper arm nut

2

.

3. Remove the wiper arm with blade.

4. Disconnect the wiper motor connector

3

.

5. Remove the wiper motor bracket screws

4

.

6. Disconnect the wiper motor from the wiper linkage at the

crank arm

5

.

7. Remove the vent cowl cover

6

.

• Remove the 6 screw.