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. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK

    Result
    Proceed to
    NEXT

    NEXT

  3. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the auxiliary 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.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (w/o Central Gateway ECU) B
      DTC is output (w/ Central Gateway ECU) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  5. CHECK FOR DTC*


    1. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output. A
      DTC is output. B

    B

    GO TO STEP 8 Click here

    A

  6. 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 STEP 8 Click here

    A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List / Active Test Click here

    2. Terminals of ECU Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  9. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END