CHECK REAR WINDOW DEFOGGER
Check that the rear window defogger heating wire is heated when the rear window defogger switch is turned ON.
Is the inspection result normal?
YES>>Rear window defogger is OK.
NO>>Refer to Diagnosis Procedure.
CHECK FUSES
Check if any of the following fuses in fuse block (J/B) are blown:
| Component | Fuse No. | Capacity |
|---|---|---|
| Fuse block (J/B) | 23 | 15 A |
| 24 | 15 A |
Is the inspection result normal?
YES>>GO TO 2.
NO>>Replace the blown fuse after repairing the affected circuit.
CHECK POWER SUPPLY CIRCUIT
Ignition switch OFF.
Disconnect rear window defogger connector.
Ignition switch ON.
Check voltage between rear window defogger harness connector and ground.
| (+) | (–) | Condition |
Voltage (Approx.) | ||
|---|---|---|---|---|---|
| Rear window defogger | |||||
| Connector | Terminal | ||||
| D571 | 1 | Ground | Rear window defogger switch | ON | Battery voltage |
| OFF | 0 V | ||||
Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 4.
CHECK GROUND CIRCUIT
Ignition switch OFF.
Check continuity between rear window defogger harness connector and ground.
| Rear window defogger | Ground | Continuity | |
| Connector | Terminal | ||
| D570 | 2 | Yes | |
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace harness.
CHECK POWER SUPPLY CIRCUIT
Ignition switch OFF.
Disconnect rear window defogger condenser connector.
Ignition switch ON.
Check voltage between rear window defogger condenser harness connector and ground.
| (+) | (–) | Condition |
Voltage (Approx.) | ||
|---|---|---|---|---|---|
| Rear window defogger condenser | |||||
| Connector | Terminal | ||||
| D569 | 1 | Ground | Rear window defogger switch | ON | Battery voltage |
| OFF | 0 V | ||||
Is the inspection result normal?
YES>>Replace rear window defogger condenser. Refer to Removal and Installation.
NO>>Repair or replace harness.
CHECK FILAMENT
Check filament. Refer to Component Inspection.
Is the inspection result normal?
YES>>Refer to Intermittent Incident.
NO>>Repair filament. Refer to Inspection and Repair.
CHECK FILAMENT
Check the filament for damage or open circuits. Refer to Inspection and Repair.
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair filament. Refer to Inspection and Repair.
Rear Window Defogger Relay
Door Mirror Defogger Lh
Theremaybe one or two seatback pockets located on the back of the driver and passenger seats. The pockets can be used to store maps.
WARNING