DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem (TO 12/2010): Procedure

1. Connect 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.

   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 

1. Remove the thermostat. Refer to REMOVAL .
2. Check the valve opening temperature of the thermostat.

   Standard

   80 to 84°C (176 to 183°F)

   HINT: 

   In addition to the above check, confirm that the valve is completely closed when the temperature is below the standard.

3. Reinstall the thermostat. Refer to INSTALLATION .

NG → See step   4 

OK → REPLACE ENGINE COOLANT TEMPERATURE SENSOR