WINDOW DEFOGGER SYSTEM SYSTEM DESCRIPTION



  1. GENERAL


    1. The defogger wires are attached to the inside of the back window glass and defog the window surface quickly when the defogger switch on the air conditioning control assembly is pressed. The indicator light illuminates while the system is operating.

    2. The system automatically turns off after approximately 15 minutes.*1

      Tech Tips

      The defogger system may operate for a maximum of 60 minutes, depending on conditions such as ambient temperature, alternator output, etc.

  2. FUNCTION OF MAIN COMPONENT

    Component Outline
    Air Conditioning Control Assembly
    • Sends signals to the air conditioning amplifier assembly to operate the window defogger system.*1

    • Sends a window defogger system activation request signal to the DEFOGGER relay.*2

    Air Conditioning Amplifier Assembly*1 Sends a window defogger system activation request signal to the DEFOGGER relay.
    DEFOGGER Relay
    • Receives a window defogger system activation request signal from the air conditioning amplifier assembly and supplies power to the back window glass (defogger wire).*1

    • Receives a window defogger system activation request signal from the air conditioning control assembly and supplies power to the back window glass (defogger wire).*2

    Back Window Glass (Defogger Wire) Receives power from the DEFOGGER relay and heats the back window glass.