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 perform repairs.

  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. If the automatic high beam system malfunctions, the automatic high beam indicator light turns off and "Headlight System Malfunction Visit Your Dealer" is displayed on the multi-information display.

        Tech Tips

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

        Click here