LIGHTING 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 lighting system.

  • *: Use the GTS

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage.

      Standard voltage
      11 to 14 V

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

      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK 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

  4. CHECK FOR DTC*


    1. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes

      1. for Triple Beam Headlight:


        Body Electrical > AFS > Trouble Codes

      2. for Single Beam Headlight:


        Body Electrical > HL AutoLeveling > Trouble Codes

    2. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs

      1. for Triple Beam Headlight:


        Body Electrical > AFS > Clear DTCs

      2. for Single Beam Headlight:


        Body Electrical > HL AutoLeveling > Clear DTCs

    3. Recheck for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes

      1. for Triple Beam Headlight:


        Body Electrical > AFS > Trouble Codes

      2. for Single Beam Headlight:


        Body Electrical > HL AutoLeveling > Trouble Codes
      Result
      Result Proceed to
      DTC output does not reoccur A
      DTC output reoccurs B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  5. 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

    ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

    A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Operation Check.

      Click here

    2. Terminals of ECU.

      Click here

    3. Data List / Active Test.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  8. CONFIRM TEST

    Result
    Proceed to
    NEXT

    NEXT

    END