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Home >> Nissan-Datsun >> 2018 >> Murano S, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 5) >> DTC/Circuit Diagnosis >> P0127 IAT Sensor >> DTC Description >> DTC Detection Logic

DTC Detection Logic

Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signal from engine coolant temperature sensor.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0127

IAT SENSOR-B1

(Intake air temperature too high)

Diagnosis condition

-

Signal (terminal)

Voltage signal transmitted from intake air temperature sensor to ECM

Threshold

Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signal from engine coolant temperature sensor

Diagnosis delay time

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