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Home >> Nissan-Datsun >> 2012 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0159 (Qr25DE) >> DTC P0116: ECT Sensor >> On Board Diagnosis Logic

On Board Diagnosis Logic

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0116
0116
Engine coolant temperature (ECT) sensor circuit range/performance The comparison result of signals transmitted to ECM from each temperature sensor (IAT sensor, ECT sensor, and FTT sensor) shows that the voltage signal of the ECT sensor is higher/lower than that of other temperature sensors when the engine is started with its cold state.
  • Harness or connectors (High or low resistance in the ECT sensor circuit)
  • ECT sensor