LIGHTING SYSTEM


  1. FUNCTION OF MAIN COMPONENTS

    Component Function
    Main Body ECU (Multiplex Network Body ECU) Receives various signals and turns off the exterior lights.
    Headlight Dimmer Switch Assembly Outputs a light control signal and transmits it to the main body ECU (multiplex network body ECU).
    Front Door Courtesy Light Switch Assembly (LH*1/RH*2) Detects whether a door is open or closed and transmits a signal to the main body ECU (multiplex network body ECU).
    Headlight ECU Sub-assembly LH and RH Shuts down power to the headlights, parking lights and side marker lights.

    Instrument Panel Junction Block Assembly


    • TAIL Relay

    Shuts down power to the taillights, and license plate lights.

    *1: LHD models

    *2: RHD models

  2. SYSTEM CONTROL


    1. Operating Condition


      1. The light auto turn-off system operates as follows:

        Function Outline
        Driver Door-linked

        When all of the following conditions are met, the exterior lights automatically turn off:


        • The engine switch is turned from on (IG) to off.

        • The headlight dimmer switch assembly is in the tail position.

        • The driver door is closed and then opened.

        Delay Function

        When all of the following conditions are met, the exterior lights automatically turn off after 30 seconds:


        • The engine switch is turned from on (IG) to off.

        • The low beam headlights are on (light control switch is in the head or AUTO position).

        • All doors are closed after any of the doors are opened.

        Key-linked Function

        When the delay function is active and the following condition is met, the exterior lights turn off immediately:


        • The lock button on the key is pushed after all doors are locked.