Wiper Deicer

WIPER DEICER





Component Function Check
1.CHECK WIPER DEICER
1. Select Active Test ("REAR DEFOGGER") mode of "BCM" using CONSULT-III.
2. Touch "ON".
3. Check that the front window heating wire is getting warmer.
Is the inspection result normal?
YES - Wiper deicer is OK.
NO - SEE Diagnosis Procedure




Diagnosis Procedure
1.CHECK FUSE
1. Turn ignition switch OFF.
2. Check 15 A fuse [No.75, located in fuse block (J/B)]
Is the inspection result normal?
YES - GO TO 2.
NO - Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between wiper deicer harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 4.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect wiper deicer connector.
3. Check continuity between wiper deicer harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace harness between rear window defogger and ground.
4.CHECK WIPER DEICER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect wiper deicer relay connector and wiper deicer connector.
3. Check continuity between wiper deicer relay harness connector and wiper deicer harness connector.





4. Check continuity between wiper deicer relay harness connector and ground.





Is the inspection result normal?
YES - Repair or replace harness between wiper deicer relay and fuse.
NO - Repair or replace harness between wiper deicer relay and wiper deicer.
5.CHECK WIPER DEICER
Check wiper deicer.





Is the inspection result normal?
YES - GO TO 6.
NO - Replace windshield glass.
6.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Intermittent Incident.
- INSPECTION END