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 the 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 turns off and "Check Auto High Beam System" is displayed 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 Auto High Beam System" is no longer displayed on the multi-information display.