CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be 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


    1. Refer to How to Troubleshoot ECU Controlled Systems in Introduction Click here.


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  3. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    Tech Tips

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


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  4. CHECK CAN COMMUNICATION SYSTEM*


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

      Tech Tips


      • Refer to CAN Bus Check for the CAN communication system Click here.

      • 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 communications system.

      Result
      Result Proceed to
      CAN communication DTCs are not output. A
      CAN communication DTCs are output. B

      B

      GO TO CAN COMMUNICATION SYSTEM Click here

      A

  5. CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*


    1. Refer to DTC Check/Clear Click here.


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  6. SETTING CHECK MODE DIAGNOSIS*


    1. Refer to Check Mode Procedure Click here.


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  7. CHECK FOR DTC*


    1. Proceed to DTC Check/Clear Click here.

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

      B

      GO TO STEP 14
      A

  8. BASIC INSPECTION


    1. Refer to Continuously Variable Transaxle Fluid Click here.

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

    3. Refer to Shift Lever Click here.


      NG

      GO TO STEP 11
      OK

  9. PROBLEM SYMPTOMS CONFIRMATION


    1. Refer to Road Test Click here.

    2. Refer to Mechanical System Tests Click here.

    3. Refer to Hydraulic Test Click here.

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

      B

      GO TO STEP 11
      A

  10. SYMPTOM SIMULATION


    1. Refer to Symptom Simulation Click here.


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  11. COMPONENT INSPECTION


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  12. REPAIR OR REPLACEMENT


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  13. CONFIRMATION TEST


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    END

  14. DIAGNOSTIC TROUBLE CODE CHART


    1. Proceed to Diagnostic Trouble Code Chart Click here.


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  15. CIRCUIT INSPECTION*


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  16. IDENTIFICATION OF PROBLEM


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  17. REPAIR OR REPLACEMENT


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  18. CONFIRMATION TEST


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    END