Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P0116 ECT sensor
Component Function Check

1.CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR

  1. Turn ignition switch OFF.
  2. Disconnect ECT sensor harness connector.
  3. Remove ECT sensor. Refer to CO, "Exploded View".
  4. Check resistance between ECT sensor terminals by heating with hot water as shown in the figure.

CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR

CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR

Is the inspection result normal?

YES >> Check intermittent incident. Refer to GI, "Intermittent Incident".

NO >> Proceed to EC, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR

Check ECT sensor. Refer to EC, "Component Inspection".

Is the inspection result normal?

YES >> Check intermittent incident. Refer to GI, "Intermittent Incident".

NO >> Replace ECT sensor. Refer to CO, "Exploded View".

Component Inspection

1.CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR

  1. Turn ignition switch OFF.
  2. Disconnect ECT sensor harness connector.
  3. Remove ECT sensor.
  4. Check resistance between ECT sensor terminals by heating with hot water as shown in the figure.

CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR

CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR

Is the inspection result normal?

YES >> INSPECTION END

NO >> Replace engine coolant temperature sensor. Refer to CO, "Exploded View".

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