Window Defogger System - System Description

Lexus IS250 IS220d GSE20 ALE20 - WINDSHIELD / WINDOWGLASS


WINDOW DEFOGGER SYSTEM - SYSTEM DESCRIPTION

GENERAL

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.

  • HINT:
  • The rear window defogger is linked with the mirror defogger.
FUNCTION OF MAIN COMPONENT
ComponentOutline
DEFOG RelayReceives rear defogger activation request signals from A/C amplifier assembly (A/C ECU) and supplies power to rear window defogger.
Rear Window DefoggerReceives power from DEFOG relay and heats defogger wire.
DESCRIPTION
FunctionOutline
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.