DTC P0107: Absolute Pressure Sensor Circuit Low Input (2.4L) Or DTC P0108: Absolute Pressure Sensor Circuit High Input: Description
WARNING: This page is about a different car, the 2002 Nissan Xterra and 2002 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.
The Absolute Pressure (AP) sensor is built into ECM. The sensor detects ambient barometric pressure and sends a voltage signal to the microcomputer.