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 AUXILIARY BATTERY VOLTAGE

    Standard Voltage
    11 to 14 V

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

    Result
    Proceed to
    NEXT

    NEXT

  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


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

      CAN communication system (for LHD): Click here

      CAN communication system (for RHD): Click here

      Result
      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output (for LHD) B
      CAN DTC is output (for RHD) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  4. 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

  5. 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

  6. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  7. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END