Rear Window Defogger

REAR WINDOW DEFOGGER

Component Function Check


1. CHECK FUNCTION

1.Perform IPDM E/R Active Test ("REAR DEFOGGER") using CONSULT.
2.Touch "ON".
3.Check that the rear window heating wire is getting warmer.
Is the inspection result normal?
YES- Rear window defogger function is OK.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect rear window defogger connector.
3.Turn ignition switch ON.
4.Check voltage between rear window defogger harness connector and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- GO TO 4.

2. CHECK REAR WINDOW DEFOGGER GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Check continuity between rear window defogger harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CHECK FILAMENT

Refer to "Inspection and Repair" Filament.
Is the inspection result normal?
YES- GO TO 5.
NO- Repair filament.

4. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect IPDM E/R connector.
3.Check continuity between IPDM E/R harness connector and rear window defogger harness connector.





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness.

5. CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END