Wiper Motor: Testing and Inspection
Wiper Motor Test1. Open the hood, and 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. 2 terminal and ground 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. 2 terminal and ground 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 the battery power to the No. 2 terminal, and ground to the No. 3 and No. 1 terminals of the 5P connector. Then connect an analog voltmeter between the No. 2 (+) terminal and the No. 4 (ground) terminal. When the park switch contacts, the pointer should swing. If not, replace the motor.