AUTOMATIC HIGH BEAM SYSTEM DIAGNOSIS SYSTEM


  1. DESCRIPTION


    1. Automatic high beam system data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the GTS to check for malfunctions and to repair.

  2. CHECK DLC3


    1. Check the DLC3.

      Click here

  3. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage.

      If the voltage is below 11 V, recharge or replace the battery.

    2. DIAGNOSIS SYSTEM


      1. A00Y83UC02
      3. *1 Automatic High Beam Indicator Light

w/ Multi-information Display (Segment LCD Type)


  1. When the automatic high beam system malfunctions, the automatic high beam indicator light (amber) will be turned on.

    Tech Tips


    • In this case, the main body ECU (multiplex network body ECU) stores DTCs.

      Click here

    • When the system returns to normal, the automatic high beam indicator light (amber) will be canceled.

  • A00YA9MC01
    *1 Automatic High Beam Indicator Light
    *2 Multi-information Display

    w/ Multi-information Display (Dot LCD Type)


    1. When the automatic high beam system malfunctions, the automatic high beam indicator light (green) will be turned off and the "CHECK AHB SYSTEM" message will be indicated on the multi-information display.

      Tech Tips


      • In this case, the main body ECU (multiplex network body ECU) stores DTCs.

        Click here

      • When the system returns to normal, the "CHECK AHB SYSTEM" message will be turned off.