Automatic Transmission System How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. INSPECT BATTERY VOLTAGE

  4. CONNECT INTELLIGENT TESTER TO DLC3*

  5. CHECK AND CLEAR DTC AND FREEZE FRAME DATA*

  6. VISUAL INSPECTION

  7. SETTING CHECK MODE DIAGNOSIS*

  8. PROBLEM SYMPTOM CONFIRMATION

  9. SYMPTOM SIMULATION

  10. DTC CHECK*

  11. BASIC INSPECTION

  12. MECHANICAL SYSTEM TESTS

  13. HYDRAULIC TEST

  14. MANUAL SHIFTING TEST

  15. PROBLEM SYMPTOMS TABLE CHAPTER 1

  16. PROBLEM SYMPTOMS TABLE CHAPTER 2

  17. PROBLEM SYMPTOMS TABLE CHAPTER 3

  18. PART INSPECTION

  19. DTC CHART

  20. CIRCUIT INSPECTION

  21. REPAIR OR REPLACE

  22. CONFIRMATION TEST

Automatic Transmission System -- How To Proceed With Troubleshooting


HINT:
*: Use the intelligent tester.


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 INTELLIGENT TESTER TO DLC3*

        NEXT


        5.CHECK AND CLEAR DTC AND FREEZE FRAME DATA*

        1. Refer to the DTC check / clear (Toyota Fortuner RM000000W7701EX.html).


        NEXT


        6.VISUAL INSPECTION

          NEXT


          7.SETTING CHECK MODE DIAGNOSIS*

          1. Refer to the check mode procedure (Toyota Fortuner RM000000W7801EX.html).


          NEXT


          8.PROBLEM SYMPTOM CONFIRMATION

          1. Refer to the road test (Toyota Fortuner RM000000W7901CX.html).

            2. 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 (Toyota Fortuner RM000000UZ3019X.html).


          NEXT


          10.DTC CHECK*

          1. Refer to the DTC check / clear (Toyota Fortuner RM000000W7701EX.html).

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


          		B.
          GO TO STEP 19
          A


          11.BASIC INSPECTION

          1. Refer to the automatic transmission fluid (Toyota Fortuner RM0000013BU00KX.html).

          2. Refer to the park / neutral position switch (Toyota Fortuner RM0000010NA00BX.html).

          3. Refer to the floor shift assembly (Toyota Fortuner RM0000010NQ00AX.html).



          		NG.
          GO TO STEP 20
          OK


          12.MECHANICAL SYSTEM TESTS

          1. Refer to the mechanical system tests (Toyota Fortuner RM000000W7A01EX.html).



          		NG.
          GO TO STEP 17
          OK


          13.HYDRAULIC TEST

          1. Refer to the hydraulic test (Toyota Fortuner RM000000W7B01DX.html).



          		NG.
          GO TO STEP 17
          OK


          14.MANUAL SHIFTING TEST

          1. Refer to the manual shifting test (Toyota Fortuner RM000000W7C01EX.html).



          		NG.
          GO TO STEP 16
          OK


          15.PROBLEM SYMPTOMS TABLE CHAPTER 1

          1. Refer to the problem symptoms table (Toyota Fortuner RM000000W7301EX.html).



          		NG.
          GO TO STEP 20
          OK


          16.PROBLEM SYMPTOMS TABLE CHAPTER 2

          1. Refer to the problem symptoms table (Toyota Fortuner RM000000W7301EX.html).



          		NG.
          GO TO STEP 18
          OK


          17.PROBLEM SYMPTOMS TABLE CHAPTER 3

          1. Refer to the problem symptoms table (Toyota Fortuner RM000000W7301EX.html).


          NG


          18.PART INSPECTION


            		NG.
            GO TO STEP 20
            OK


            19.DTC CHART

            1. Refer to the diagnostic trouble code chart (Toyota Fortuner RM000000W7101DX.html).


            NEXT


            20.CIRCUIT INSPECTION

              NEXT


              21.REPAIR OR REPLACE

                NEXT


                22.CONFIRMATION TEST

                  NEXT

                  END