Possible Causes (DTC P0112)
WARNING: This page is about a different car, the 2002 Nissan Pathfinder and 2002 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.
ECM illuminates MIL and sets DTC P0112 when an excessively low voltage from IAT sensor is sent to ECM. Possible causes are:
- IAT sensor circuit open or shorted.
- Poor, loose, corroded or damaged terminal connections.
- Defective IAT sensor.