FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Wiper Motor: Testing and Inspection

1. Disconnect the 5P connector from the wiper motor.

Wiper Motor Test:




2. Test the motor:

LOW SPEED: Connect battery power to the B (GRN/BLK) terminal and ground to the LO (BLU) terminal.

HIGH SPEED: Connect battery power to the B (GRN/BLK) terminal and ground to the HI (BLU/YEL) terminal.

^ If the motor fails to run or does not run smoothly, replace it.
3. Reconnect the 5P connector to the wiper motor.

Wiper Motor Test:




4. Connect an analog voltmeter between the As (BLU/WHT) and the E (BLK) terminals. Run the motor by turning the wiper switch ON (LO or HI position).

The voltmeter should alternately indicate 0 V and more than 4 V.