Diagnosis Procedure

FRONT WIPER MOTOR LO CIRCUIT


Diagnosis Procedure

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 - GO TO 2
NO - GO TO 3
2. CHECK FRONT WIPER MOTOR (LO) SHORT CIRCUIT





1. Disconnect IPDM E/R and front wiper motor.
2. Check continuity between IPDM E/R harness connector and ground.





Does continuity exist?
YES - Repair or replace harness.
NO - Replace the fuse. (Replace IPDM E/R if the fuse is blown again.)
3. CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST





1. Turn the ignition switch ON.
2. Select "FRONT WIPER" of IPDM E/R active test item.
3. While operating the test item, check voltage between IPDM E/R harness connector and ground.





Is the measurement value normal?
YES - GO TO 4
NO - Replace IPDM E/R. Refer to Service and Repair.
4. 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.





Does continuity exist?
YES - Replace front wiper motor. Refer to Service and Repair, "Wiper
Motor and Linkage".
NO - Repair or replace harness.