Automatic Transmission System How To Proceed With Troubleshooting

  1. When using intelligent tester, troubleshoot according to procedures below

  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 TEST

  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

  1. When not using intelligent tester, troubleshoot according to procedures below

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. INSPECT BATTERY VOLTAGE

  4. CHECK AND CLEAR DTC

  5. PROBLEM SYMPTOM CONFIRMATION

  6. SYMPTOM SIMULATION

  7. DTC CHECK

  8. BASIC INSPECTION

  9. MECHANICAL SYSTEM TEST

  10. HYDRAULIC TEST

  11. MANUAL SHIFTING TEST

  12. PROBLEM SYMPTOMS TABLE CHAPTER 1

  13. PROBLEM SYMPTOMS TABLE CHAPTER 2

  14. PROBLEM SYMPTOMS TABLE CHAPTER 3

  15. PART INSPECTION

  16. DTC CHART

  17. CIRCUIT INSPECTION

  18. REPAIR OR REPLACE

  19. CONFIRMATION TEST

Automatic Transmission System -- How To Proceed With Troubleshooting



When using intelligent tester, troubleshoot according to procedures below
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*

          NEXT


          6.VISUAL INSPECTION

            NEXT


            7.SETTING CHECK MODE DIAGNOSIS*

            1. Refer to the check mode procedure (Toyota Fortuner RM000000W780HQX.html).


            NEXT


            8.PROBLEM SYMPTOM CONFIRMATION

            1. Refer to the road test (Toyota Fortuner RM000000W790K5X.html).

              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 RM000000W770OYX.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 RM0000014P800QX.html).

            2. Refer to the park/neutral position switch (Toyota Fortuner RM0000010ND03KX.html).

            3. Refer to the floor shift assembly (Toyota Fortuner RM0000013EW013X.html).



            		NG.
            GO TO STEP 20
            OK


            12.MECHANICAL SYSTEM TEST

            1. Refer to the mechanical system test (Toyota Fortuner RM000000W7A0LOX.html).



            		NG.
            GO TO STEP 17
            OK


            13.HYDRAULIC TEST

            1. Refer to the hydraulic test (Toyota Fortuner RM000000W7B0KXX.html).



            		NG.
            GO TO STEP 17
            OK


            14.MANUAL SHIFTING TEST

            1. Refer to the manual shifting test (Toyota Fortuner RM000000W7C0NYX.html).



            		NG.
            GO TO STEP 16
            OK


            15.PROBLEM SYMPTOMS TABLE CHAPTER 1

            1. Refer to the problem symptoms table (Toyota Fortuner RM000000W730PRX.html).



            		NG.
            GO TO STEP 20
            OK


            16.PROBLEM SYMPTOMS TABLE CHAPTER 2

            1. Refer to the problem symptoms table (Toyota Fortuner RM000000W730PRX.html).



            		NG.
            GO TO STEP 18
            OK


            17.PROBLEM SYMPTOMS TABLE CHAPTER 3

            1. Refer to the problem symptoms table (Toyota Fortuner RM000000W730PRX.html).


            NG


            18.PART INSPECTION


              		NG.
              GO TO STEP 20
              OK


              19.DTC CHART

              1. Refer to the diagnostic trouble code chart (Toyota Fortuner RM000000W710JHX.html).


              NEXT


              20.CIRCUIT INSPECTION

                NEXT


                21.REPAIR OR REPLACE

                  NEXT


                  22.CONFIRMATION TEST

                    NEXT

                    END


                    When not using intelligent tester, troubleshoot according to procedures below


                    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.CHECK AND CLEAR DTC

                          NEXT


                          5.PROBLEM SYMPTOM CONFIRMATION
                            Result:
                            Result
                            		Proceed to
                            Symptom does not occur
                            		A
                            Symptom occurs
                            		B


                          		B.
                          GO TO STEP 7
                          A


                          6.SYMPTOM SIMULATION

                            NEXT


                            7.DTC CHECK
                              Result:
                              Result
                              		Proceed to
                              DTC is not output
                              		A
                              DTC is output
                              		B


                            		B.
                            GO TO STEP 16
                            A


                            8.BASIC INSPECTION


                              		NG.
                              GO TO STEP 17
                              OK


                              9.MECHANICAL SYSTEM TEST


                                		NG.
                                GO TO STEP 14
                                OK


                                10.HYDRAULIC TEST


                                  		NG.
                                  GO TO STEP 14
                                  OK


                                  11.MANUAL SHIFTING TEST


                                    		NG.
                                    GO TO STEP 13
                                    OK


                                    12.PROBLEM SYMPTOMS TABLE CHAPTER 1


                                      		NG.
                                      GO TO STEP 17
                                      OK


                                      13.PROBLEM SYMPTOMS TABLE CHAPTER 2


                                        		NG.
                                        GO TO STEP 15
                                        OK


                                        14.PROBLEM SYMPTOMS TABLE CHAPTER 3

                                          NG


                                          15.PART INSPECTION


                                            		NG.
                                            GO TO STEP 18
                                            OK


                                            16.DTC CHART

                                              NEXT


                                              17.CIRCUIT INSPECTION

                                                NEXT


                                                18.REPAIR OR REPLACE

                                                  NEXT


                                                  19.CONFIRMATION TEST

                                                    NEXT

                                                    END