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Home >> Nissan-Datsun >> 2018 >> Maxima SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (2 Of 5) >> DTC/Circuit Diagnosis >> DTC P0125: ECT Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

  1. Voltage sent to ECM from the sensor is not practical, even when some time has passed after starting the engine.
  2. Engine coolant temperature is insufficient for closed loop fuel control.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0125

ECT SENSOR

(Insufficient coolant temperature for closed loop fuel control)

1

Diagnosis condition

-

Signal (terminal)

Voltage signal transmitted from engine coolant temperature sensor to ECM

Threshold

Voltage sent to ECM from the sensor is not practical, even when some time has passed after starting the engine

Diagnosis delay time

-

2

Diagnosis condition

-

Signal (terminal)

Voltage signal transmitted from engine coolant temperature sensor to ECM

Threshold

Engine coolant temperature is insufficient for closed loop fuel control

Diagnosis delay time

-