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- Refer to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK FUSE

1.Turn ignition switch OFF.
2.Check the following.
-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 REAR WINDOW DEFOGGER POWER SUPPLY

1.Disconnect rear window defogger connector.
2.Turn ignition switch ON.
3.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 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 6.
NO- Repair or replace harness.

4. CHECK REAR WINDOW DEFOGGER CIRCUIT

1.Disconnect fuse block (J/B) connector.
2.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 7.
NO- Replace fuse block (J/B).

6. CHECK FILAMENT

Check the filament for damage or blown.
Refer to "Inspection and Repair" Filament.
Is the inspection result normal?
YES- GO TO 7.
NO- Repair filament.

7. CHECK INTERMITTENT INCIDENT

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