Operation CHARM: Car repair manuals for everyone.

Wiper Motor Test

Wiper Motor Test

Windshield

1. Remove the wiper arms.

NOTE: Carefully remove the wiper arms so that they do not touch the hood.

2. Remove the hood seal and cowl cover.




3. Disconnect the 5P connector (A) from the wiper motor (B).
4. Test the motor by connecting battery power to the No. 3 terminal and ground to the No. 2 terminal of the wiper motor 5P connector. The motor should run at low speed. If the motor does not run or fails to run smoothly, replace the motor.
5. Test the motor by connecting battery power to the No. 5 terminal and ground to the No. 2 terminal of the wiper motor 5P connector. The motor should run at high speed. If the motor does not run or fails to run smoothly, replace the motor.
6. Connect battery power to the No. 1 and No. 3 terminals, and ground to the No. 2 terminal of the 5P connector. Then connect an analog voltmeter between the No. 4 (+) terminal and the No. 2 (ground) terminal. When the park switch makes contact, the pointer should swing. If not, replace the motor.

Rear Window

1. Open the tailgate, and remove the tailgate trim panel.




2. Disconnect the 4P connector (A) from the motor (B).
3. Test the motor by connecting battery power to the No. 4 terminal and ground to the No. 2 terminal of the 4P connector. The motor should run. If the motor does not run or fails to run smoothly, replace the motor.
4. Connect battery power to the No. 1 and No. 4 terminals, and ground to the No. 2 terminal of the 4P connector. Then connect an analog voltmeter between the No. 3 (+) terminal and the No. 2 (ground) terminal. When the park switch makes contact, the pointer should swing.
5. If the motor test is not as specified, replace the rear window wiper motor.