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 relay function is OK.
NO- Rear Window Defogger Relay.


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

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 following connector.
-IPDM E/R connector
-Door mirror (both sides) connector
-A/C auto amp. connector (for models with auto A/C)
-A/C control connector (for models with manual A/C)
3.Check continuity between IPDM E/R harness connector and rear window defogger harness connector.





4.Check continuity between IPDM E/R connector and ground.





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

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
Is the inspection result normal?
YES- INSPECTION END
NO- Repair or replace harness or connector.