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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Windshield Deicer System >> System Description
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System Description

  1. GENERAL 

    The windshield deicer system's thin heater wires are attached to the inside of the windshield glass and deice the front window surface quickly. The indicator light illuminates while the system is operating. The system automatically turns off after approximately 15 minutes.

  2. FUNCTION OF MAIN COMPONENT 
    FUNCTION OF MAIN COMPONENT

    Component Outline
    Deicer switch Located on A/C control, detects deicer switch operation and transmits signals to front light ECU (front controller) through CAN line
    DEICER relay Receives windshield deicer activation request signals from front light ECU (front controller) through air conditioning amplifier via CAN line and supplies power to front window deicer
    Windshield deicer Receives power from DEICER relay and heats windshield deicer wire
  3. DESCRIPTION 
    DESCRIPTION CHART

    Function Outline
    Deice the front window surface
    • Receives windshield deicer activation request signals from front light ECU (front controller) through air conditioning amplifier via CAN line and supplies power to front window deicer
    • Receives power from DEICER relay and heats windshield deicer wires