AUTOMATIC HIGH BEAM 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 high beam system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. INSPECT BATTERY VOLTAGE


    1. Measure the vehicle battery voltage.

      Standard voltage
      11 to 14 V

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

      Result
      Proceed to
      NEXT

    NEXT

  3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


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

      Click here

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

    CAN communication system DTCs are output

    GO TO CAN COMMUNICATION SYSTEM Click here

    CAN communication system DTCs are not output

  4. CHECK LANE DEPARTURE ALERT SYSTEM


    1. Use the GTS to check if the lane departure alert system is functioning normally.

      Click here

      Result
      Proceed to
      Lane departure alert system DTCs are not output
      Lane departure alert system DTCs are output

    Lane departure alert system DTCs are output

    GO TO LANE DEPARTURE ALERT SYSTEM Click here

    Lane departure alert system DTCs are not output

  5. CHECK FOR DTC*


    1. Clear the DTCs.

      Click here

    2. Recheck for DTCs.

      Click here

      Result
      Proceed to
      DTCs are not output
      DTCs are output

    DTCs are output

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    DTCs are not output

  6. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table.

      Click here

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

    Fault is listed in Problem Symptoms Table

    ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

    Fault is not listed in Problem Symptoms Table

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Operation check.

      Click here

    2. Data List / Active Test.

      Click here

    3. Terminals of ECU.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  9. CONFIRM TEST

    Result
    Proceed to
    NEXT

    NEXT

    END