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 (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 Shuts down power to the headlights, clearance lights.
    TAIL Relay Shuts down power to the taillights, rear fog lights, and license plate lights.

  2. SYSTEM CONTROL


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

      Function Operation Condition
      Headlight Auto Turn-off

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


      • The power switch is turned off.

      • The headlight dimmer switch is in the tail or head position.
      Exterior Light Auto Turn-off

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


      • The power switch is turned off.

      • The headlight dimmer switch is in the AUTO position.