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

CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0116)

Connect Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the tester on.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

Read the DTC.

Result

Display (DTC output)	Proceed to
P0116	A
P0116 and other DTCs	B

B → GO TO DTC CHART

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 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 → REPLACE THERMOSTAT

OK → REPLACE ENGINE COOLANT TEMPERATURE SENSOR