Wiper Motor Test

Wiper Motor Test

Windshield

1. Remove the driver's side wiper arm.

2. Remove the left side cowl cover Service and Repair.

3. Disconnect 4P connector (A) from the windshield wiper motor (B).





4. Test the motor by connecting battery power to terminal No. 1 and ground to terminal No. 2 of the wiper motor 4P connector. The motor should run at low speed.

5. Test the motor by connecting battery power to terminal No. 3 and ground to terminal No. 2 of the wiper motor 4P connector. The motor should run at high speed.

6. Connect an analog ohmmeter to terminals No. 4 and No. 2, and run the motor at low or high speed. The needle of the ohmmeter should pulse.

7. If the motor does not run or fails to run smoothly, or there is no pulse, replace the motor Windshield Wiper Motor Replacement.

Rear Window

NOTE: If the rear window wiper malfunctions, and no DTCs are detected, test the rear window wiper motor as described below, and check for an open or high resistance in the ground circuit of the rear window wiper.

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

2. Disconnect the 4P connector (A) from the wiper motor (B).





3. Test the motor by connecting battery power to terminal No. 2 and ground terminal No. 4 of the wiper motor. The motor should run.

4. Connect an analog ohmmeter between rear window wiper motor 4P connector terminals No. 4 and No. 1 and run the motor (repeat step 3). The needle of the ohmmeter should pulse.

5. If the motor does not run or fails to run smoothly, or there is no pulse, replace the motor Rear Window Wiper Motor Replacement.