Regarding Wiring Diagram information, refer to WW "Wiring Diagram".
1. CHECK FRONT WIPER MOTOR FUSE
1. Turn the ignition switch OFF.
2. Check that the following fuse is not blown.
Is the fuse blown?
YES >> Replace the fuse after repairing the affected circuit.
NO >> GO TO 2
2. CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE
1. Turn the ignition switch ON.
2. Select FR WIPER of BCM (WIPER) active test item.
3. While performing the active test, check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Replace IPDM E/R. Refer to PCS "Removal and Installation".
3. CHECK FRONT WIPER MOTOR (LO) OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R and front wiper motor.
3. Check continuity between IPDM E/R harness connector and front wiper motor harness connector.
Is the inspection result normal?
YES >> Replace front wiper motor. Refer to WW "WIPER DRIVE ASSEMBLY : Removal and Installation".
NO >> Repair or replace harness.