DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem: Procedure

CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0116)

Connect a Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

Read DTCs.

Result

Display (DTC Output)	Proceed To
P0116	A
P0116 and other DTCs	B

B → See step 3

A: Go to next step

INSPECT THERMOSTAT
1. Remove the thermostat. Refer to REMOVAL .
2. Check the valve opening temperature of the thermostat.
  Standard
  
  80°C to 84°C (176°F 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 → See step 5
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART
REPLACE THERMOSTAT. Refer to REMOVAL
REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to REMOVAL