Click here

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

Click here
Click here Click here
Tip:

  • 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. Click here

    VEHICLE BROUGHT TO WORKSHOP


    • NEXT
  2. Click here

    CUSTOMER PROBLEM ANALYSIS


    1. Refer to How to Troubleshoot ECU Controlled Systems in the Introduction section (Click here).


      • NEXT
  3. Click here

    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. Click here

    CONNECT INTELLIGENT TESTER TO DLC3*


    • NEXT
  5. Click here

    CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*


    1. Refer to DTC Check / Clear (Click here).


      • NEXT
  6. Click here

    VISUAL INSPECTION


    • NEXT
  7. Click here

    SETTING CHECK MODE DIAGNOSIS*


    1. Refer to Check Mode Procedure (Click here).


      • NEXT
  8. Click here

    PROBLEM SYMPTOM CONFIRMATION


    1. Refer to Road Test (Click here).

      Table 1. Result
      Result Proceed to
      Symptom does not occur A
      Symptom occurs B

      • B
      • GO TO STEP 10
      • A
  9. Click here

    SYMPTOM SIMULATION


    1. Refer to Electronic Circuit Inspection Procedure (Click here).


      • NEXT
  10. Click here

    DTC CHECK*


    1. Refer to DTC Check / Clear (Click here).

      Table 2. Result
      Result Proceed to
      DTC is not output A
      DTC is output B

      • B
      • GO TO STEP 19
      • A
  11. Click here

    BASIC INSPECTION


    1. Refer to Park/Neutral Position Switch (Click here).

    2. Refer to Shift Lever Assembly (Click here).


      • NG
      • GO TO STEP 22
      • OK
  12. Click here

    MECHANICAL SYSTEM TESTS


    1. Refer to Mechanical System Tests (Click here).


      • NG
      • GO TO STEP 18
      • OK
  13. Click here

    HYDRAULIC TEST


    1. Refer to Hydraulic Test (Click here).


      • NG
      • GO TO STEP 18
      • OK
  14. Click here

    MANUAL SHIFTING TEST


    1. Refer to Manual Shifting Test (Click here).


      • NG
      • GO TO STEP 17
      • OK
  15. Click here

    PROBLEM SYMPTOMS TABLE CHAPTER 1


    1. Refer to Problem Symptoms Table (Click here).


      • NG
      • GO TO STEP 20
      • OK
  16. Click here

    PROBLEM SYMPTOMS TABLE CHAPTER 2


    1. Refer to Problem Symptoms Table (Click here).


      • NG
      • GO TO STEP 18
      • OK
  17. Click here

    PROBLEM SYMPTOMS TABLE CHAPTER 3


    1. Refer to Problem Symptoms Table (Click here).


      • NEXT
  18. Click here

    PART INSPECTION


    • NG
    • GO TO STEP 22
    • OK
  19. Click here

    DTC CHART


    1. Refer to Diagnostic Trouble Code Chart (Click here).


      • NEXT
  20. Click here

    CIRCUIT INSPECTION


    • NEXT
  21. Click here

    IDENTIFICATION OF PROBLEM


    • NEXT
  22. Click here

    REPAIR OR REPLACE


    • NEXT
  23. Click here

    CONFIRMATION TEST


    • NEXT
    • END