AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use the following procedure to troubleshoot the automatic headlight beam level control system.


  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

    Result
    Proceed to
    NEXT

    NEXT

  3. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage.

      Standard Voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

      Result
      Proceed to
      NEXT

    NEXT

  4. INSPECT CAN COMMUNICATION SYSTEM


    1. Use the GTS to check if the CAN communication system is functioning normally.

      Click here

      Result
      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output B

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  5. CHECK FOR DTC* (LIGHTING SYSTEM)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main body, HL AutoLeveling*1 or AFS*2 / Trouble Codes.


      • *1: for Single Beam Headlight

      • *2: for Triple Beam Headlight

    5. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Body Electrical > HL AutoLeveling > Trouble Codes
      Body Electrical > AFS > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART (LIGHTING SYSTEM) Click here

    A

  6. CHECK FOR DTC* (AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / HL AutoLeveling*1 or AFS*2 / Trouble Codes.


      • *1: for Single Beam Headlight

      • *2: for Triple Beam Headlight

    5. Check for DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Trouble Codes
      Body Electrical > AFS > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART (AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM) Click here

    A

  7. CHECK FOR DTC* (ADAPTIVE HIGH BEAM SYSTEM)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / AFS / Trouble Codes.

    5. Check for DTCs.

      Click here


      Body Electrical > AFS > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART (ADAPTIVE HIGH BEAM SYSTEM) Click here

    A

  8. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table.

      Click here

      Result
      Result Proceed to
      Fault is not listed in Problem Symptoms Table A
      Fault is listed in Problem Symptoms Table B

    B

    GO TO PROBLEM SYMPTOMS TABLE Click here

    A

  9. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List / Active Test

      Click here

    2. Terminals of ECU

      Click here

    3. Inspection

      Result
      Proceed to
      NEXT

    NEXT

  10. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  11. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END