DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem: Procedure
- CHECK FOR ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0116)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
- Read the DTCs.RESULT
Result Proceed to P0116 is output A P0116 and other DTCs are output B HINT:
If any DTCs other than P0116 are output, perform troubleshooting for those DTCs first.
B → See step 4
A: Go to next step
- INSPECT THERMOSTAT
- Remove the thermostat. Refer to REMOVAL [06/2012 - ] .
- Measure the valve opening temperature of the thermostat.
Standard opening temperature
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.
- Reinstall the thermostat. Refer to INSTALLATION [06/2012 - ] .
NG → See step 5
OK → See step 3
- REPLACE ENGINE COOLANT TEMPERATURE SENSOR. Refer to REMOVAL [06/2012 - ]
- GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2012 - ]
- REPLACE THERMOSTAT. Refer to REMOVAL [06/2012 - ]