LIGHTING SYSTEM


  1. FUNCTION OF MAIN COMPONENTS

    Component Function
    Main Body ECU (Multiplex Network Body ECU) Receives various signals and illuminates the daytime running lights.

    Headlight Dimmer Switch Assembly


    • Light Control Switch

    		 Outputs a light control switch position signal to the main body ECU (multiplex network body ECU).
    Headlight ECU Sub-assembly Supplies power to the daytime running lights.
    Automatic Light Control Sensor Detects the ambient light level.
    Parking Brake Switch Assembly Outputs a parking brake operation signal to the main body ECU (multiplex network body ECU).

  2. SYSTEM CONTROL


    1. Operating Condition


      1. When all of the following conditions are met, the daytime running light is illuminated.


        • The engine switch is on (IG).

        • An engine speed signal is input (engine is running).

        • The headlight dimmer switch assembly is in the AUTO position (and the taillights are not turned on via the automatic light control system).

        • The parking brake switch assembly is off.