Windshield Deicer System - System Description

Lexus IS250 IS220d GSE20 ALE20 - WINDSHIELD / WINDOWGLASS


WINDSHIELD DEICER SYSTEM - SYSTEM DESCRIPTION

GENERAL

The defogger system's thin heater wires are attached to the inside of the front 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.

FUNCTION OF MAIN COMPONENT
ComponentOutline
Windshield Deicer RelayReceives front deicer activation request signals from A/C amplifier assembly (A/C ECU) and supplies power to front window deicer.
Windshield Deicer WireReceives power from Windshield deicer relay and heats deicer wire.
DESCRIPTION
FunctionOutline
Defogs the front window surfaceReceives power from Windshield deicer relay and heats deicer wire.