DTC P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance: Trouble Symptom
- Hard to start
- Improper idling
- Poor driving performance
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode Refer to
OPERATION , Clear Memory Mode, and Inspection Mode Refer to
PROCEDURE , Inspection Mode.
DIAGNOSTIC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK FOR ANY OTHER DTC ON DISPLAY. | Is any other DTC displayed? | Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > | Go to step 2 . |
| 2 CHECK ENGINE COOLANT TEMPERATURE SENSOR. Measure the resistance between engine coolant temperature sensor terminals when the engine coolant is cold and after warmed up. Terminals No. 1 - No. 2: |
Is the resistance of engine coolant temperature sensor different between when engine coolant is cold and after warmed up? | Repair the poor contact of ECM connector. | Replace the engine coolant temperature sensor. Refer to ENGINE COOLANT TEMPERATURE SENSOR . > |