P0116 INFINITI
P0116 INFINITI - Engine Coolant Temperature Sensor Circuit Range/Performance
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Possible causes
- Low engine coolant level
- Engine Coolant Temperature (ECT) sensor harness is open or shorted
- Engine Coolant Temperature (ECT) sensor electrical circuit poor connection
- Faulty Engine Coolant Temperature (ECT) sensor
- Faulty engine coolant thermostat
- Engine Coolant Temperature (ECT) sensor harness is open or shorted
- Engine Coolant Temperature (ECT) sensor electrical circuit poor connection
- Faulty Engine Coolant Temperature (ECT) sensor
- Faulty engine coolant thermostat
When is the code detected?
Coolant temperature signal sent to the ngine Control Module (ECM) is not within specified range.
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0116 INFINITI Description
The Engine Coolant Temperature (ECT) sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the Engine Control Module (ECM). The modified signal returns to the ECM as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases.
INFINITI Technical Service Bulletins for P0116 code
2009 INFINITI G35 SEDAN Engine And Engine Cooling:cooling System Details
2009 INFINITI G37 COUPE Engine And Engine Cooling:cooling System Details
2009 INFINITI G37 SEDAN Engine And Engine Cooling:cooling System Details
2008 INFINITI QX56 Engine And Engine Cooling:cooling System Details
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