FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Rear Window Defogger




REAR WINDOW DEFOGGER

Component Function Check


1. CHECK REAR WINDOW DEFOGGER

1.Perform Active Test ("REAR DEFOGGER") with 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-


Diagnosis Procedure


1. CHECK FUSE

1.Turn ignition switch OFF.
2.Check the following items.
-20A fuse [No.14, located in fuse block (J/B)]
-20A fuse [No.15, 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 rear window defogger 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 rear window defogger connector.
3.Check continuity between rear window defogger harness connector and ground.





Is the inspection result normal?
YES- GO TO 7.
NO- Repair or replace harness .

4. CHECK REAR WINDOW DEFOGGER CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect condenser connector and fuse block (J/B) connector.
3.Check continuity between fuse block (J/B) harness connector and condenser harness connector.





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

5. CHECK FUSE BLOCK (J/B)

1.Turn ignition switch ON.
2.Check voltage between fuse block (J/B) (fuse block side) and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- Replace fuse block (J/B).

6. CHECK CONDENSER

Check condenser. .
Is the inspection result normal?
YES- GO TO 8.
NO- Replace condenser.

7. CHECK FILAMENT

Check the filament for damage or blown.
Filament.
Is the inspection result normal?
YES- GO TO 8.
NO- Repair filament.

8. CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK FILAMENT

Check the filament for damage or blown.
Filament
Is the inspection result normal?
YES- INSPECTION END.
NO- Repair filament.