WINDOW DEFOGGER SYSTEM - SYSTEM DESCRIPTION
The defogger system's thin heater wires are attached to the inside of the rear window and defog the window surface quickly. The indicator light illuminates while the system is operating. The system automatically turns off after approximately 15 minutes.
- The rear window defogger is linked with the mirror defogger.
| FUNCTION OF MAIN COMPONENT |
| Component | Outline |
| DEFOG Relay | Receives rear defogger activation request signals from A/C amplifier assembly (A/C ECU) and supplies power to rear window defogger. |
| Rear Window Defogger | Receives power from DEFOG relay and heats defogger wire. |
| Function | Outline |
| Defogs the rear window surface | Receives rear defogger activation request signals from A/C amplifier assembly (A/C ECU) and supplies power to rear window defogger.
Receives power from DEFOG relay and heats defogger wire.
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LEXUS IS250, IS220d / GSE20 ALE20