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Home >> Nissan-Datsun >> 2006 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0133 (Qr25DE) >> DTC P0117, P0118 ECT Sensor >> On Board Diagnosis Logic >> Notes

On Board Diagnosis Logic: Notes

These self-diagnoses have the one trip detection logic. 

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble Diagnosis Name DTC Detecting Condition Possible Cause
P0117 0117 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 0118 Engine coolant temperature sensor circuit high input An excessively high voltage from the sensor is sent to ECM.