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 Techstream to check for malfunctions and perform repairs.

  2. CHECK DLC3


    1. Check the DLC3 Click here.

  3. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage with power switch off.

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

    2. DIAGNOSIS SYSTEM


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

        Tech Tips


        • If a malfunction is detected, the main body ECU (multiplex network body ECU) stores DTCs Click here.

        • When the system returns to normal, "Headlight System Malfunction Visit Your Dealer" will no longer be displayed on the multi-information display.