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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> SFI System [2GR-FXE] - Diagnostic Codes & Circuit Tests - (Hybrid) >> SFI System >> Circuit Tests >> MIL Circuit [02/2014 - 11/2016] >> Procedure

MIL Circuit [02/2014 - 11/2016]: Procedure

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

      Result

      Condition Result Proceed to
      Power switch on (IG) → Power switch on (READY) MIL ON→MIL OFF A
      MIL does not illuminate B
      MIL remains ON C

    Result:  1

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [02/2014 - 11/2016] 

    Result:  2

    GO TO VC OUTPUT CIRCUIT. Refer to  VC Output Circuit [02/2014 - 11/2016]  

    Result:  3

    See step  2

  2. CHECK WHETHER DTC OUTPUT RECURS 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    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

      HINT: 

      Check for detected DTCs output from other ECUs which relate to the MIL.

    Result:  2

    REPAIR CIRCUIT INDICATED BY OUTPUT 

    Result:  1

    See step  3

  3. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Active Test / Check Engine Indicator.

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Check Engine Indicator
    5. Check the status of the MIL while performing the Active Test.

      Result

      Result Proceed to
      Changes A
      Does not change B

    Result:  1

    REPLACE ECM. Refer to  REMOVAL [02/2014 - 11/2016] 

    Result:  2

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [02/2014 - ]