DTC P0748 Pressure Control Solenoid "A" Electrical: Wiring Diagram
WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
AT Control System < Refer to
appropriate SYSTEM WIRING DIAGRAM. >
Fig 1: AT Control System - Wiring Diagram (Pressure Control Solenoid)