Wiper Motor: Testing and Inspection

Windshield Wiper Motor Test

1. Remove the wiper arms Wiper Motor Test.

2. Remove the left side cowl cover Service and Repair.

3. Disconnect the 4P connector (A) from the windshield wiper motor (B).





4. Test the motor by connecting battery power to terminal No. 2 and ground to terminal No. 1 of the wiper motor 4P connector. The motor should run at low speed.

5. Test the motor by connecting battery power to terminal No. 4 and ground to terminal No. 1 of the wiper motor 4P connector. The motor should run at high speed.

6. Connect an analog ohmmeter to the terminals No. 3 and No. 1, and run the motor at low or high speed. The needle of the ohmmeter should pulse.

7. If the motor does not run or fails to run smoothly, or there is no pulse, replace the motor Wiper Motor Test.