WINDOW DEFOGGER SYSTEM SYSTEM DESCRIPTION


  1. GENERAL

    The rear window defogger wires are attached to the inside of the rear window and defog the window surface quickly by pressing the rear window defogger switch on the air conditioning control assembly. The indicator light illuminates while the system is operating. The system automatically turns off after approximately 15 minutes.

    Tech Tips

    If both of the following conditions are met after approximately 15 minutes from the rear window defogger was activated, the rear window defogger continues to operate up to 45 minutes. If the following conditions are not met, the rear window defogger stops operating immediately.


    • The outside temperature is -3°C (27°F) or below.

    • The vehicle speed is 45 km/h (28 mph) or more.

    Tech Tips

    The rear window defogger is linked with the mirror defogger.

    Note

    If the auxiliary battery voltage becomes low, window defogger operation is cancelled to prioritize supplying power to the power steering system.

  2. FUNCTION OF MAIN COMPONENT

    Component Outline
    RR DEF Relay Receives rear window defogger activation request signal from the air conditioning amplifier assembly and supplies power to the rear window defogger.
    Rear Window Defogger Wire Receives power from the RR DEF relay and heats the window using the rear window defogger wires.