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Home >> Infiniti >> 2021 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 7) >> Engine (ECM) >> DTC P0116: ECT Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0116

ECT SENSOR

(Engine coolant temperature sensor 1 circuit range/performance)

A

Diagnosis condition

Engine cold start

Signal (terminal)

Engine coolant temperature sensor 1 signal

Threshold

The comparison result of signals transmitted to ECM from each temperature sensor (IAT sensor 1, ECT sensor 1, FTT sensor, and EOT sensor) shows that the voltage signal of the ECT sensor 1 is higher/lower than that of other temperature sensors.

Diagnosis delay time

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B

Diagnosis condition

--

Signal (terminal)

Engine coolant temperature sensor 1 signal

Threshold

Engine coolant temperature signal from engine coolant temperature sensor does not fluctuate, even when some time has passed after starting the engine with pre-warming up condition.

Diagnosis delay time

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