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Home >> Infiniti >> 2011 >> G25 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 247 (Engine Control System - DTC U0164 Through P0181) >> DTC P0112, P0113: IAT Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2010 Infiniti G37. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0112 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 Intake air temperature sensor circuit high input An excessively high voltage from the sensor is sent to ECM.
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