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Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Windshield/Window Glass) >> Window Defogger System >> System Description
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System Description

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
  1. GENERAL 

    The defogger system's thin heater wires are attached to the rear window and defog the rear 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 
    WINDOW DEFOGGER FUNCTION OF MAIN COMPONENT

    Component Outline
    Defogger switch Located on integration control and panel, detects defogger switch operation and transmits signals to air conditioning amplifier through LIN communication line
    Defogger relay Receives rear window defogger activation request signals from air conditioning amplifier and supplies power to rear window defogger
    Rear window defogger Receives power from defogger relay and heats defogger wire
  3. DESCRIPTION 
    WINDOW DEFOGGER FUNCTION DESCRIPTION

    Function Outline
    Rear window defogger
    • Defogger relay receives rear window defogger activation request signals from air conditioning amplifier and defogs rear window surface
    • Receives power from defogger relay and heats defogger wire