Wiper Motor: Testing and Inspection
Wiper Motor TestWindshield
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. 1 terminal and ground to the No. 3 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. 1 terminal and ground to the No. 5 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 an analog voltmeter between the No. 4 (+) and No. 2 (-) terminals, and run the motor at low or high speed. The voltmeter should indicate 12 V and 4 V or less alternately. If it does 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. 1 terminal and ground to the No. 4 terminal of the 4P connector. The motor should run. If the motor does not run or fails to run smoothly, replace the motor.
4. Test the wiper motor park switch by connecting an analog voltmeter between the No. 3 (+) terminal and the No. 2 (ground) terminal, and run the motor. The voltmeter should indicate 12 V and 4 V or less alternately.
5. If the motor test is not as specified, replace the rear window wiper motor.