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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (1 Of 4)) >> DTC/Circuit Diagnosis >> P0111 IAT Sensor >> DTC Description >> PR25DD engine >> DTC Detection Logic

DTC Detection Logic

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DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0111

00

IAT SENSOR 1 B1

(Intake air temperature sensor 1 circuit range/performance bank 1)

Diagnosis condition

Engine cold start

Signal (terminal)

Intake air temperature sensor signal

Threshold

The comparison result of signals transmitted to ECM from each temperature sensor (IAT sensor, ECT sensor, FTT sensor, and EOT sensor) shows that the voltage signal of the IAT sensor is higher/lower than that of other temperature sensors when the engine is started with its cold state

Diagnosis delay time

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