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Home >> Toyota >> 2016 >> 4Runner Limited, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission System (A750E) - Diagnostics - Introduction) >> Automatic Transmission System >> How To Proceed With Troubleshooting [08/2015 - ] >> Procedure

How To Proceed With Troubleshooting [08/2015 - ]: Procedure

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  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS 
    1. Refer to How to Troubleshoot ECU Controlled Systems in the Introduction service information (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ] ).

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. INSPECT BATTERY VOLTAGE 

    Standard voltage

    11 to 14 V

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

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  4

  4. CONNECT TECHSTREAM TO DLC3* 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  5

  5. CHECK AND CLEAR DTCS AND FREEZE FRAME DATA* 
    1. Refer to DTC Check / Clear (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] , or refer to DTC CHECK / CLEAR [08/2019 - ] )

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. VISUAL INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  7

  7. SETTING CHECK MODE DIAGNOSIS* 
    1. Refer to Check Mode Procedure (Refer to CHECK MODE PROCEDURE [08/2015 - ] ).

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. PROBLEM SYMPTOM CONFIRMATION 
    1. Refer to Road Test (Refer to ROAD TEST [08/2015 - ] ).

      Result

      Result Proceed to
      Symptom does not occur A
      Symptom occurs B

    Result: 

    B 

    See step  10

    Result: 

    A 

    See step  9

  9. SYMPTOM SIMULATION 
    1. Refer to Electronic Circuit Inspection Procedure (Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [08/2015 - ] ).

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  10

  10. DTC CHECK* 
    1. Refer to DTC Check / Clear (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] , or refer to DTC CHECK / CLEAR [08/2019 - ] ).

      Result

      Result Proceed to
      DTC is not output A
      DTC is output B

    Result: 

    B 

    See step  19

    Result: 

    A 

    See step  11

  11. BASIC INSPECTION 
    1. Refer to Automatic Transmission Fluid (Refer to ADJUSTMENT [08/2015 - 08/2019] , or refer to ADJUSTMENT [08/2019 - ] ).
    2. Refer to Park/Neutral Position Switch (Refer to ON-VEHICLE INSPECTION [08/2015 - ] ).
    3. Refer to Shift Lever Assembly (Refer to ON-VEHICLE INSPECTION [08/2015 - ] ).

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  22

    Result: 

    OK 

    See step  12

  12. MECHANICAL SYSTEM TESTS 
    1. Refer to Mechanical System Tests (Refer to MECHANICAL SYSTEM TESTS [08/2015 - ] ).

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  18

    Result: 

    OK 

    See step  13

  13. HYDRAULIC TEST 
    1. Refer to Hydraulic Test (Refer to HYDRAULIC TEST [08/2015 - ] ).

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  18

    Result: 

    OK 

    See step  14

  14. MANUAL SHIFTING TEST 
    1. Refer to Manual Shifting Test (Refer to MANUAL SHIFTING TEST [08/2015 - ] ).

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  17

    Result: 

    OK 

    See step  15

  15. PROBLEM SYMPTOMS TABLE CHAPTER 1 
    1. Refer to Problem Symptoms Table (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] ).

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  20

    Result: 

    OK 

    See step  16

  16. PROBLEM SYMPTOMS TABLE CHAPTER 2 
    1. Refer to Problem Symptoms Table (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] ).

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  18

    Result: 

    OK 

    See step  17

  17. PROBLEM SYMPTOMS TABLE CHAPTER 3 
    1. Refer to Problem Symptoms Table (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] ).

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  18

  18. PART INSPECTION 

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    See step  22

    Result: 

    OK 

    See step  19

  19. DTC CHART 
    1. Refer to Diagnostic Trouble Code Chart (Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2015 - ] ).

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  20

  20. CIRCUIT INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  21

  21. IDENTIFICATION OF PROBLEM 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  22

  22. REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  23

  23. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END 

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