Wiper Motor Test

Wiper Motor Test

Windshield

1. Remove the wiper arms Service and Repair and the cowl cover Service and Repair.

2. Disconnect the 5P connector (A) from the windshield wiper motor (B).






3. Test the motor by connecting battery power to terminal No. 1 and ground terminal No. 5 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.

4. Test the motor by connecting battery power to terminal No. 4 and ground terminal No. 5 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.

5. Connect an analog ohmmeter to terminals No. 3 and No. 5, and run the motor at low or high speed. The needle of the ohmmeter should pulse. If it does not, replace the motor.

Rear Window

NOTE: If there is malfunction of rear window wiper operation, and no DTCs are stored, check the rear window wiper motor and an open in the ground circuit of the rear window wiper.

1. Open the hatch, and remove the hatch lower trim panel Interior Trim Removal/Installation - Hatch Area.

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. If the motor does not run or fails to run smoothly, replace the motor.

4. Connect an analog ohmmeter between rear window wiper motor 4P connector terminals No. 3 and No. 4. The ohmmeter should indicate continuity and no continuity alternately. If it does not, replace the motor.