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How To Proceed With Troubleshooting [08/2015 - 08/2017]: Procedure

WARNING: This page is about a different car, the 2017 Toyota Sequoia and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. INSPECT BATTERY VOLTAGE 

    Standard Voltage

    11 to 14 V

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

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)* 
    1. Use the Techstream to check for normal function of CAN communication system.
      1. Perform bus check (communication malfunction DTC).
      2. Perform bus check (communication bus check).

      Result

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

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2017] 

    Result: 

    See step  4

  4. CHECK FOR DTC* 

    Refer to DTC Check/Clear.

    Refer to DTC CHECK / CLEAR [08/2015 - 08/2017] 

    1. Check for DTC and note any codes that are output.
    2. Clear the DTC.
    3. Recheck for DTC. Try to prompt the DTC by simulating the original activity that the DTC suggests.

      Result

      Result Proceed to
      DTC does not reoccur A
      DTC reoccur B

    Result: 

    See step  7

    Result: 

    See step  5

  5. PROBLEM SYMPTOMS TABLE 

    Refer to the Problem Symptoms Table.

    Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2017] 

    Result

    Result Proceed to
    Fault is not listed in Problem Symptoms Table A
    Fault is listed in Problem Symptoms Table B

    Result: 

    See step  7

    Result: 

    See step  6

  6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Terminals of ECU.

      Refer to TERMINALS OF ECU [08/2015 - 08/2017] 

    2. Data List/Active Test.

      Refer to DATA LIST / ACTIVE TEST [08/2015 - 08/2017] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  7

  7. ADJUST, REPAIR OR REPLACE 
    NOTE:

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8

  8. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END