AUTOMATIC TRANSAXLE SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. CUSTOMER PROBLEM ANALYSIS


    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 to the next step.


    NEXT

  4. CONNECT GTS TO DLC3*


    NEXT

  5. CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*


    1. Refer to DTC Check / Clear Click here.


      NEXT

  6. VISUAL INSPECTION


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  7. SELECT CHECK MODE DIAGNOSIS*


    1. Refer to Check Mode Procedure Click here.


      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
      A

  9. SYMPTOM SIMULATION


    1. Refer to Symptom Simulation Click here.


      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

      GO TO STEP 18
      A

  11. BASIC INSPECTION


    1. Refer to Automatic Transmission Fluid Click here.

    2. Refer to Park/Neutral Position Switch Click here.

    3. Refer to Transmission Control Cable Click here.


      NG

      GO TO STEP 21
      OK

  12. MECHANICAL SYSTEM TESTS


    1. Refer to Mechanical System Tests Click here.


      NG

      GO TO STEP 17
      OK

  13. HYDRAULIC TEST


    1. Refer to Hydraulic Test Click here.


      NG

      GO TO STEP 17
      OK

  14. MANUAL SHIFTING TEST


    1. Refer to Manual Shifting Test Click here.


      NG

      GO TO STEP 16
      OK

  15. PROBLEM SYMPTOMS TABLE CHAPTER 1


    1. Refer to Problem Symptoms Table Click here.


      NG

      GO TO STEP 19
      OK

  16. PROBLEM SYMPTOMS TABLE CHAPTER 2


    1. Refer to Problem Symptoms Table Click here.


      NEXT

  17. COMPONENT INSPECTION


    NEXT

    GO TO STEP 21

  18. DTC CHART


    1. Refer to Diagnostic Trouble Code Chart Click here.


      NEXT

  19. CIRCUIT INSPECTION


    NEXT

  20. IDENTIFICATION OF PROBLEM


    NEXT

  21. REPAIR OR REPLACE


    NEXT

  22. CONFIRMATION TEST


    NEXT
    END