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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2340 (Engine Control System - DTCS U1000 To P0153) >> DTC P0112, P0113 IAT Sensor >> On Board Diagnosis Logic

On Board Diagnosis Logic

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION AND POSSIBLE CAUSE

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.