Wiper Motor: Testing and Inspection

1. Remove both wiper arms and blades before starting test.
2. Turn ignition switch OFF and disconnect both wiper motor connectors.
3. Using two test leads, attach the positive lead to the auxiliary jumper post and the negative lead to body ground.

Fig. 14 Wiper Motor Terminals:

4. Test the wiper motor LOW speed, using above leads, attach the positive lead to Pin 6 and the negative lead to Pin 10. The motor should operate in LOW. If not OK, replace motor. If OK, go to next step.
5. Test the wiper motor HIGH speed, attach the positive lead to Pin 6 and the negative lead to Pin 9. The motor should operate in HIGH. If not OK, replace motor. If OK, replace control module.