AUTOMATIC TRANSMISSION SYSTEM (for 3UR-FE) 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 is no trouble in the CAN communication system.

  • *: Use the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. CUSTOMER PROBLEM ANALYSIS


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  3. INSPECT BATTERY VOLTAGE

    Standard Voltage
    11 to 14 V

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


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  4. CONNECT INTELLIGENT TESTER TO DLC3*


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  5. CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*


    1. Refer to the DTC Check / Clear Click here.


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  6. VISUAL INSPECTION


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  7. SETTING CHECK MODE DIAGNOSIS*


    1. Refer to the Check Mode Procedure Click here.


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  8. PROBLEM SYMPTOM CONFIRMATION


    1. Refer to the 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 the Electronic Circuit Inspection Procedure Click here.


      NEXT

  10. DTC CHECK*


    1. Refer to the DTC Check / Clear Click here.

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

      B

      GO TO STEP 18
      A

  11. BASIC INSPECTION


    1. Refer to the Park/Neutral Position Switch Click here.

    2. Refer to the Shift Lever Assembly Click here.


      NG

      GO TO STEP 21
      OK

  12. MECHANICAL SYSTEM TESTS


    1. Refer to the Mechanical System Tests Click here.


      NG

      GO TO STEP 17
      OK

  13. HYDRAULIC TEST


    1. Refer to the Hydraulic Test Click here.


      NG

      GO TO STEP 17
      OK

  14. MANUAL SHIFTING TEST


    1. Refer to the Manual Shifting Test Click here.


      NG

      GO TO STEP 16
      OK

  15. PROBLEM SYMPTOMS TABLE CHAPTER 1


    1. Refer to the Problem Symptoms Table Click here.


      NG

      GO TO STEP 19
      OK

  16. PROBLEM SYMPTOMS TABLE CHAPTER 2


    1. Refer to the Problem Symptoms Table Click here.


      NEXT

  17. PART INSPECTION


    NG

    GO TO STEP 21
    OK

  18. DTC CHART


    1. Refer to the Diagnostic Trouble Code Chart Click here.


      NEXT

  19. CIRCUIT INSPECTION


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  20. IDENTIFICATION OF PROBLEM


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  21. REPAIR OR REPLACE


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  22. CONFIRMATION TEST


    NEXT
    END