Automatic Transaxle System How To Proceed With Troubleshooting

Drivetrain. Corolla. Zre142 Aze141
U341E Automatic Transmission Transaxle. Corolla. Zre142 Aze141

  1. Vehicle Brought to Workshop

  2. Customer Problem Analysis

  3. Inspect Battery Voltage

  4. Connect the Techstream to the DLC3*

  5. Check and Clear DTCs and Freeze Frame Data*

  6. Visual Inspection

  7. Setting the Check Mode Diagnosis*

  8. Problem Symptom Confirmation

  9. Symptom Simulation

  10. DTC Check*

  11. Basic Inspection

  12. Mechanical System Test

  13. Hydraulic Test

  14. Manual Shifting Test

  15. Problem Symptoms Table Chapter 1

  16. Problem Symptoms Table Chapter 2

  17. Part Inspection

  18. DTC Chart

  19. Circuit Inspection

  20. Identification of Problem

  21. Repair or Replace

  22. Confirmation Test

Automatic Transaxle System -- How To Proceed With Troubleshooting


HINT:
  1. The ECM of this system is connected to the CAN and multiplex communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN and multiplex communication.
  2. *: Use the Techstream.


1.Vehicle Brought to Workshop

    NEXT


    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.

      NEXT


      4.Connect the Techstream to the DLC3*

        NEXT


        5.Check and Clear DTCs and Freeze Frame Data*
          HINT:
          COROLLA_ZRE142 RM000000W770S5X.html

        NEXT


        6.Visual Inspection

          NEXT


          7.Setting the Check Mode Diagnosis*
            HINT:
            COROLLA_ZRE142 RM000000W780OAX.html

          NEXT


          8.Problem Symptom Confirmation
            HINT:
            COROLLA_ZRE142 RM000000W790MNX.html
            Result:
            Result
            		Proceed to
            Symptom does not occur
            		A
            Symptom occurs
            		B


          		B.
          Go to step 10
          A


          9.Symptom Simulation
            HINT:
            COROLLA_ZRE142 RM000000UZ108OX.html

          NEXT


          10.DTC Check*
            HINT:
            COROLLA_ZRE142 RM000000W770S5X.html
            Result:
            Result
            		Proceed to
            DTC is not output
            		A
            DTC is output
            		B


          		B.
          Go to step 18
          A


          11.Basic Inspection
            HINT:
            COROLLA_ZRE142 RM0000016SC047X.html, COROLLA_ZRE142 RM000001919030X.html and COROLLA_ZRE142 RM0000020U405KX.html


          		NG.
          Go to step 21
          OK


          12.Mechanical System Test
            HINT:
            COROLLA_ZRE142 RM000000W7A0O6X.html


          		NG.
          Go to step 17
          OK


          13.Hydraulic Test
            HINT:
            COROLLA_ZRE142 RM000000W7B0NGX.html


          		NG.
          Go to step 17
          OK


          14.Manual Shifting Test
            HINT:
            COROLLA_ZRE142 RM000000W7C0QSX.html


          		NG.
          Go to step 16
          OK


          15.Problem Symptoms Table Chapter 1
            HINT:
            COROLLA_ZRE142 RM000000W730T1X.html


          		NG.
          Go to step 19
          OK


          16.Problem Symptoms Table Chapter 2
            HINT:
            COROLLA_ZRE142 RM000000W730T1X.html

          NEXT


          17.Part Inspection

            NEXT

            Go to step 21


            18.DTC Chart
              HINT:
              COROLLA_ZRE142 RM000000W710LIX.html

            NEXT


            19.Circuit Inspection

              NEXT


              20.Identification of Problem

                NEXT


                21.Repair or Replace

                  NEXT


                  22.Confirmation Test

                    NEXT

                    End