Wiper Motor: Testing and Inspection

Wiper Motor Test

Windshield:

1. Open the hood.




2. Disconnect the 5P connector (A) from the windshield wiper motor (B).




3. Test the motor by connecting battery power and ground according to the table. If the motor does not run or fails to run smoothly, replace it.
4. Connect an analog voltmeter between the No. 2 (+) and No. 5 (-) terminals, and run the motor at low or high speed. The voltmeter should indicate 0 V and 4 V or less alternately. If it does not, replace the windshield wiper motor.

Rear Window:

1. Open the hatch and remove the hatch trim panel.




2. Disconnect the 4P connector (A) from the rear window wiper motor (B).
3. Test the motor by connecting battery power to terminal No. land connect terminal No. 3 to body ground. The rear wiper motor should run smoothly.
4. Connect an analog voltmeter between the No. 4 (+) and No. 2 (-) terminals, and run the motor. The voltmeter should indicate 0 V and 4 V or less alternately. If it does not, replace the rear window wiper motor.