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Home >> Toyota >> 2009 >> Matrix Base, Standard >> Repair and Diagnosis (Single Page) >> Body & Frame >> Power Windows & Glass >> Window Defogger System >> System Description

System Description

  1. 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.

    HINT:

    The rear window defogger is linked with the mirror defogger (w/ mirror heater).

  2. FUNCTION OF MAIN COMPONENT 
    FUNCTION OF MAIN COMPONENT

    Component Outline
    DEF Relay Receives rear defogger activation request signals from the heater control (blower switch) and supplies power to the rear window defogger.
    Rear Window Defogger Receives power from the DEF relay and heats the rear window defogger wire.
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