AUTOMATIC TRANSMISSION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Refer to How to Troubleshoot ECU Controlled Systems in the Introduction section.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  3. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

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

    Result
    Proceed to
    NEXT

    NEXT

  4. CONNECT GTS TO DLC3*

    Result
    Proceed to
    NEXT

    NEXT

  5. CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*


    1. Refer to DTC Check / Clear.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  6. VISUAL INSPECTION

    Result
    Proceed to
    NEXT

    NEXT

  7. SELECT CHECK MODE DIAGNOSIS*


    1. Refer to Check Mode Procedure.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. PROBLEM SYMPTOM CONFIRMATION


    1. Refer to Road Test.

      Click here

      Result
      Result Proceed to
      Symptom does not occur A
      Symptom occurs B

    B

    GO TO STEP 10 Click here

    A

  9. SYMPTOM SIMULATION


    1. Refer to Symptom Simulation.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  10. DTC CHECK*


    1. Refer to DTC Check / Clear.

      Click here

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

    B

    DTC CHART Click here

    A

  11. MECHANICAL SYSTEM TESTS


    1. Refer to Mechanical System Tests.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    GO TO STEP 15 Click here

    OK

  12. HYDRAULIC TEST


    1. Refer to Hydraulic Test.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    GO TO STEP 15 Click here

    OK

  13. PROBLEM SYMPTOMS TABLE CHAPTER 1


    1. Refer to Problem Symptoms Table.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    GO TO STEP 19 Click here

    OK

  14. PROBLEM SYMPTOMS TABLE CHAPTER 2


    1. Refer to Problem Symptoms Table.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  15. COMPONENT INSPECTION

    Result
    Proceed to
    NEXT

    NEXT

  16. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  17. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END

  18. DTC CHART


    1. Refer to Diagnostic Trouble Code Chart.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  19. CIRCUIT INSPECTION

    Result
    Proceed to
    NEXT

    NEXT

  20. IDENTIFICATION INFORMATION

    Result
    Proceed to
    NEXT

    NEXT

    GO TO STEP 16 Click here