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Home >> Toyota >> 2013 >> Matrix Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2ZR-FE) (Diagnostic Codes (P0010-P0420) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem >> Procedure
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DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem: 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 and ECT / Trouble Codes.
    5. Read the DTCs.

      Result

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

      HINT: 

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

    B → See step   3 

    A: Go to next step 

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

    NG → See step   4 

    OK → See step   5 

  3. GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  4. REPLACE THERMOSTAT. Refer to  REMOVAL 
  5. REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to  REMOVAL