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Home >> Toyota >> 2014 >> Highlander XLE, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> SFI System [2GR-FE] - Diagnostic Codes - (Except Hybrid) (3 Of 5) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance [12/2013 - 11/2016] >> Procedure

DTC P0116: Engine Coolant Temperature Circuit Range / Performance [12/2013 - 11/2016]: Procedure

  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0116) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Trouble Codes.
    5. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result Proceed to
      DTC P0116 is output A
      DTC P0116 and other DTCs are output B

      HINT: 

      If any DTCs and other than P0116 are output, troubleshoot those DTCs first.

    Result: 

    GO TO DTC CHART. 

    Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2013 - 08/2014] 

    Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2014 - 11/2015] 

    Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2015 - 11/2016] 

    Result: 

    See step  2

  2. INSPECT THERMOSTAT 
    1. Inspect the thermostat (thermostat opening temperature).

      Refer to INSPECTION [12/2013 - 11/2016]

      HINT: 

      Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.

      Refer to INITIALIZATION [12/2013 - 11/2016]

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ENGINE COOLANT TEMPERATURE SENSOR. 

    Refer to  REMOVAL [12/2013 - 11/2016] 

    Result: 

    NG 

    REPLACE THERMOSTAT 

    Refer to  REMOVAL [12/2013 - 11/2016]