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 covers.
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 grounding 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 grounding 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 ohmmeter between the No. 1 and No. 4 terminals, and run the motor at low or high speed. The ohmmeter should indicate continuity and no continuity alternately. If it does not, replace the motor.