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Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P015D (Except Hybrid) >> DTC P0117, P0118: ECT Sensor >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC DETECTION CONDITION

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition
P0117 ECT SEN/CIRC (Engine coolant temperature sensor 1 circuit low) An excessively low voltage from the sensor is sent to ECM.
P0118 ECT SEN/CIRC
(Engine coolant temperature sensor 1 circuit high)
An excessively high voltage from the sensor is sent to ECM.