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LIGHTING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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DTC Code DTC Name
  HOW TO PROCEED WITH TROUBLESHOOTING
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CAUTION / NOTICE / HINT

Tip:

  • Use the following procedure to troubleshoot the lighting system.

  • *: Use the GTS.

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PROCEDURE


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

  2. Click here

    CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

    Result
    Proceed to
    NEXT

  3. Click here

    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

  4. Click here

    INSPECT CAN COMMUNICATION SYSTEM*


    1. Use the GTS to check if the CAN communication system is functioning normally (See page (w/ Central Gateway ECU)), (Click here(w/o Central Gateway ECU)).

      Result
      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output (w/ Central Gateway ECU) B
      CAN communication system DTCs are output (w/o Central Gateway ECU) C

  5. Click here

    CHECK FOR DTC*


    1. Check for DTCs (Click here).

      Result
      Result Proceed to
      DTC are not output A
      DTC are output B

  6. Click here

    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

  7. Click here

    OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List / Active Test (Click here)

    2. Terminals of ECU (Click here)

      Result
      Proceed to
      NEXT

  8. Click here

    ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

  9. Click here

    CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    • NEXT

      END