Diagnosis Procedure

REAR WIPER MOTOR CIRCUIT


Diagnosis Procedure

1. CHECK REAR WIPER MOTOR OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST





1. Turn the ignition switch OFF.
2. Disconnect rear wiper motor.
3. Turn the ignition switch ON.
4. Select "RR WIPER" of BCM active test item.
5. While operating the test item, check voltage between BCM harness connector and ground.





Is the measurement value normal?
YES - GO TO 2
NO - GO TO 3
2. CHECK REAR WIPER MOTOR GROUND CIRCUIT





1. Turn the ignition switch OFF.
2. Check continuity between rear wiper motor harness connector and ground.





Does continuity exist?
YES - Replace rear wiper motor. Refer to Service and Repair.
NO - Repair or replace harness.
3. CHECK REAR WIPER MOTOR OPEN CIRCUIT





1. Check continuity between BCM harness connector and rear wiper motor harness connector.





Does continuity exist?
YES - GO TO 4
NO - Repair or replace harness.
4. CHECK REAR WIPER MOTOR SHORT CIRCUIT





Check continuity between BCM harness connector and ground.





Does continuity exist?
YES - Repair or replace harness.
NO - Replace BCM. Refer to Service and Repair.