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Home >> Nissan-Datsun >> 2017 >> Pathfinder SL, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0111: IAT Sensor >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0111 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.
Diagnosis delay time -