AUTOMATIC TRANSMISSION SYSTEM(for 1GR-FE) HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN and multiplex communication system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Refer to the How to Troubleshoot ECU Controlled Systems in 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
      DTC is not output A
      DTC is output B

    B

    DTC CHART Click here

    A

  11. BASIC INSPECTION


    1. Refer to Park/Neutral Position Switch Assembly.

      Click here

    2. Refer to Shift Lever Assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    GO TO STEP 21 Click here

    OK

  12. MECHANICAL SYSTEM TESTS


    1. Refer to Mechanical System Tests.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    GO TO STEP 17 Click here

    OK

  13. HYDRAULIC TEST


    1. Refer to Hydraulic Test.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    GO TO STEP 17 Click here

    OK

  14. MANUAL SHIFTING TEST


    1. Refer to Manual Shifting Test.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    GO TO STEP 16 Click here

    OK

  15. 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

  16. PROBLEM SYMPTOMS TABLE CHAPTER 2


    1. Refer to Problem Symptoms Table.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  17. COMPONENT INSPECTION

    Result
    Proceed to
    NEXT

    NEXT

    GO TO STEP 21 Click here

  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 OF PROBLEM

    Result
    Proceed to
    NEXT

    NEXT

  21. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  22. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END