DTC P0745 Line Pressure Solenoid Valve: Description

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.

The pressure control solenoid valve A (line pressure solenoid valve) in included in the control valve assembly.
The pressure control solenoid valve A (line pressure solenoid valve) regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the TCM.