GENERAL
The rear window defogger wires are attached to the inside of the rear window and defog the window surface quickly by pressing the rear window defogger switch on the air conditioning control assembly. The indicator light illuminates while the system is operating. The system automatically turns off after approximately 15 minutes.
Tech Tips
The rear window defogger is linked with the mirror defogger.
Note
If the auxiliary battery voltage becomes low, rear window defogger operation is canceled to prioritize supplying power to the power steering system.
FUNCTION OF MAIN COMPONENT
| Component | Outline |
|---|---|
| Air Conditioning Control Assembly | Sends signals to the air conditioning amplifier assembly to operate the rear window defogger. |
| Air Conditioning Amplifier Assembly | Sends a rear window defogger activation request signal to the No. 1 integration relay. |
| No. 1 Integration Relay | Receives the rear window defogger activation request signal from the air conditioning amplifier assembly and supplies power to the rear window defogger wires. |
| Rear Window Defogger Wire | Receives power from the No. 1 integration relay and heats the rear window using the rear window defogger wires. |