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Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 7) >> Engine (ECM) >> P0118 ECT Sensor >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

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

POSSIBLE CAUSE 

FAIL-SAFE 

Fail safe mode Vehicle behavior
Combustion control mode
  • Stops feedback control of idle speed and controls with specified speed.
  • Stops recovery speed control by the fuel cut at decelerating and controls with specified speed.