P0116 2009 Honda Accord
P0116 2009 Honda Accord - Engine Coolant Temperature Sensor 1 Circuit Range/Performance Problem
- Low engine coolant level
- 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 circuit poor electrical connection
When is the code detected?
Coolant temperature signal sent to the ngine Control Module (ECM) is not within specified range.
- Engine Light ON (or Service Engine Soon Warning Light)
P0116 2009 Honda Accord 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.
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