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. VEHICLE BROUGHT TO WORKSHOP

    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. CHECK CAN COMMUNICATION SYSTEM*


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

      Click here

      OK
      CAN communication system DTCs are not output.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  5. CHECK CXPI COMMUNICATION SYSTEM*


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

      Click here

      OK
      CXPI communication system DTCs are not output.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO CXPI COMMUNICATION SYSTEM Click here

    OK

  6. CHECK FOR DTC*


    1. Check for DTCs and note any codes that are output.

      Click here


      1. Body Electrical / HL AutoLeveling / Trouble Codes.


        Body Electrical > HL AutoLeveling > Trouble Codes

      2. Body Electrical / HL AutoLeveling (Sub) / Trouble Codes.


        Body Electrical > HL AutoLeveling (Sub) > Trouble Codes

      3. Body Electrical / Main Body / Trouble Codes.


        Body Electrical > Main Body > Trouble Codes

    2. Clear the DTCs.

      Click here


      1. Body Electrical / HL AutoLeveling / Clear DTCs.


        Body Electrical > HL AutoLeveling > Clear DTCs

      2. Body Electrical / HL AutoLeveling (Sub) / Clear DTCs.


        Body Electrical > HL AutoLeveling (Sub) > Clear DTCs

      3. Body Electrical / Main Body / Clear DTCs.


        Body Electrical > Main Body > Clear DTCs

    3. Recheck for DTCs by simulating the operation indicated by the DTCs.

      Click here


      1. Body Electrical / HL AutoLeveling / Trouble Codes.


        Body Electrical > HL AutoLeveling > Trouble Codes

      2. Body Electrical / HL AutoLeveling (Sub) / Trouble Codes.


        Body Electrical > HL AutoLeveling (Sub) > Trouble Codes

      3. Body Electrical / Main Body / Trouble Codes.


        Body Electrical > Main Body > 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

  7. 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

  8. 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

  9. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  10. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END