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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2412 (Engine Control System - DTCS U0101 To P0183 (VQ40DE)) >> DTC P0112, P0113: IAT Sensor >> On Board Diagnosis Logic

On Board Diagnosis Logic

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0112
0112
Intake air temperature sensor circuit low input An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (The sensor circuit is open or shorted.)
  • Intake air temperature sensor
P0113
0113
Intake air temperature sensor circuit high input An excessively high voltage from the sensor is sent to ECM.