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MIL Circuit [06/2016 - ]: Procedure

  1. CHECK THAT MIL IS ILLUMINATED 
    1. Perform troubleshooting in accordance with the table below.
      RESULT

      Result Condition Proceed to
      MIL ON → MIL OFF Ignition switch ON → Engine is started A
      Other than the above - B

    Result: 

    CHECK FOR INTERMITTENT PROBLEMS 

    (Refer to CHECK FOR INTERMITTENT PROBLEMS [06/2016 - ] )

    Result: 

    See step  2

  2. CHECK CONNECTION BETWEEN GTS AND ECM 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Check the communication between the Techstream and ECM.

      HINT: 

      Checking the Data List for "Engine" is possible.

      RESULT

      Result Proceed to
      Communication is possible A
      Communication is not possible B

    Result: 

    GO TO VC OUTPUT CIRCUIT 

    (Refer to VC Output Circuit [06/2016 - ] )

    Result: 

    See step  3

  3. CHECK WHETHER DTC OUTPUT RECURS 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: System Select / Health Check.
    5. Check if any DTCs have been detected. Note down any DTCs.
      RESULT

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Result: 

    REPAIR CIRCUIT INDICATED BY OUTPUT 

    Result: 

    See step  4

  4. PERFORM ACTIVE TEST USING TECHSTREAM (CHECK MIL) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Active Test / Check Engine Warning
    5. Check the status of the MIL while performing the Active Test.
      RESULT

      Result Proceed to
      Changes A
      Does not change B

    Result: 

    REPLACE ECM 

    (Refer to REMOVAL [06/2016 - ] )

    Result: 

    REPLACE COMBINATION METER ASSEMBLY 

    (Refer to REMOVAL [06/2016 - 03/2017] , or refer to REMOVAL [03/2017 - ] )