Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P0117, P0118 ECT sensor
DTC Logic

DTC DETECTION LOGIC

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0117 Engine coolant temperature sensor circuit low input An excessively low voltage from the sensor is sent to ECM
  • Harness or connectors (The sensor circuit is open or shorted.)
  • Engine coolant temperature sensor
P0118 Engine coolant temperature sensor circuit high input An excessively low voltage from the sensor is sent to ECM

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON and wait at least 5 seconds.
  2. Check DTC.

Is DTC detected?

YES >> Go to EC, "Diagnosis Procedure".

NO >> INSPECTION END

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