Rear Window Defogger

REAR WINDOW DEFOGGER

Component Function Check


1. CHECK FUNCTION

With CONSULT
1.Select "REAR DEFOGGER" in "ACTIVE TEST" of "IPDM E/R" 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 is OK.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT

1.Turn power switch OFF.
2.Disconnect rear window defogger connector.
3.Turn power 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 power 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 7.
NO- Repair filament.

4. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT 1

1.Turn power switch OFF.
2.Disconnect condenser connector.
3.Check continuity between condenser harness connector and rear window defogger harness connector.





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

5. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT 2

1.Disconnect IPDM E/R connectors.
2.Check continuity between IPDM E/R harness connector and condenser harness connector.





Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace harness.

6. CHECK CONDENSER

Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 7.
NO- Replace condenser.

7. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK CONDENSER

1.Turn power switch OFF.
2.Disconnect condenser connector.
3.Check continuity between condenser terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace condenser.