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Home >> Toyota >> 2019 >> Sienna SE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Automatic Transaxle System [U660F] - Diagnostics - Introduction) >> Automatic Transaxle System >> How To Proceed With Troubleshooting [12/2015 - 08/2016] >> Procedure

How To Proceed With Troubleshooting [12/2015 - 08/2016]: 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 the How to Troubleshoot ECU Controlled Systems in Introduction article.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - 08/2016]

      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 [12/2015 - 08/2016] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. VISUAL INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  7

  7. SELECT CHECK MODE DIAGNOSIS* 
    1. Refer to Check Mode Procedure.

      Refer to CHECK MODE PROCEDURE [12/2015 - 08/2016] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. PROBLEM SYMPTOM CONFIRMATION 
    1. Refer to Road Test.

      Refer to ROAD TEST [12/2015 - 08/2016] 

      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 Symptom Simulation.

      Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [12/2015 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  10

  10. DTC CHECK* 
    1. Refer to DTC Check/Clear.

      Refer to DTC CHECK / CLEAR [12/2015 - 08/2016] 

      Result

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

    Result: 

    B 

    See step  18

    Result: 

    A 

    See step  11

  11. BASIC INSPECTION 
    1. Refer to Automatic Transmission Fluid.

      Refer to ADJUSTMENT [12/2015 - 08/2016]

    2. Refer to Park/Neutral Position Switch.

      Refer to INSPECTION [12/2015 - 08/2016]

    3. Refer to Shift Lever Assembly.

      Refer to ADJUSTMENT [12/2015 - 08/2016]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  21

    Result: 

    OK 

    See step  12

  12. MECHANICAL SYSTEM TESTS 
    1. Refer to Mechanical System Tests.

      Refer to MECHANICAL SYSTEM TESTS [12/2015 - 08/2016] 

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  17

    Result: 

    OK 

    See step  13

  13. HYDRAULIC TEST 
    1. Refer to Hydraulic Test.

      Refer to HYDRAULIC TEST [12/2015 - 08/2016] 

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  17

    Result: 

    OK 

    See step  14

  14. MANUAL SHIFTING TEST 
    1. Refer to Manual Shifting Test.

      Refer to MANUAL SHIFTING TEST [12/2015 - 08/2016] 

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  16

    Result: 

    OK 

    See step  15

  15. PROBLEM SYMPTOMS TABLE CHAPTER 1 
    1. Refer to Problem Symptoms Table.

      Refer to PROBLEM SYMPTOMS TABLE [12/2015 - 08/2016] 

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  19

    Result: 

    OK 

    See step  16

  16. PROBLEM SYMPTOMS TABLE CHAPTER 2 
    1. Refer to Problem Symptoms Table.

      Refer to PROBLEM SYMPTOMS TABLE [12/2015 - 08/2016] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  17

  17. COMPONENT INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  21

  18. DTC CHART 
    1. Refer to Diagnostic Trouble Code Chart.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2015 - 08/2016] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  19

  19. CIRCUIT INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  20

  20. IDENTIFICATION OF PROBLEM 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  21

  21. REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  22

  22. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END 

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