Wiper Motor: Testing and Inspection

INSPECTION

WINDSHIELD WIPER MOTOR CHECK





The windshield wiper motor assembly should be installed to the vehicle body and the harness connector should be disconnected when checking the wiper motor.

WINDSHIELD WIPER MOTOR AT LOW OR HIGH SPEED OPERATION

Connect the battery to the windshield wiper motor to inspect the operation of motor rotation at low or high speed.





WINDSHIELD WIPER MOTOR AT STOP POSITION OPERATION

1. Connect the battery to the windshield wiper motor as shown in the illustration (A).

2. Run the windshield wiper motor at low speed, then disconnect the battery in the middle of the motor rotation and check to see that the motor stops.

3. Connect the battery to the windshield wiper motor as shown in the illustration (B).

4. Connect the terminals of the windshield wiper motor connector as shown in the illustration
(B).

5. Check to see that the windshield wiper motor runs at low speed and then stops at the automatic stop position.

WINDSHIELD WIPER SWITCH CHECK





Check continuity between the switch terminals.