LIGHTING SYSTEM


  1. FUNCTION OF MAIN COMPONENTS

    Component Function
    Main Body ECU (Multiplex Network Body ECU) Receives various signals and illuminates the headlights, taillights, clearance lights and license plate lights.
    Automatic Light Control Sensor Detects the ambient light level.
    Headlight Dimmer Switch Assembly Outputs a light control signal to the main body ECU (multiplex network body ECU).
    Front Door Courtesy Light Switch Assembly (Driver Side) Detects whether a door is open or closed and transmits a signal to the main body ECU (multiplex network body ECU).
    HEAD Relay Supplies power to the headlights and clearance lights.
    TAIL Relay Supplies power to the taillights and license plate lights.
  2. SYSTEM CONTROL


    1. Operating Condition


      1. The automatic light control system operates as follows:

        Function Outline
        Taillights turn on

        When all of the following conditions are met, the taillights, clearance lights, and license plate lights automatically turn on:


        • The ambient light is dim or momentarily dark.

        • The power switch is on (IG).

        • The light control switch is in the AUTO position.

        Headlights and taillights turn on

        When all of the following conditions are met, the headlights, taillights, clearance lights, and license plate lights automatically turn on:


        • The ambient light is dark or momentarily bright.

        • The power switch is on (IG).

        • The light control switch is in the AUTO position.

        Headlights and taillights turn off When the ambient light is bright, the exterior lights automatically turn off.