DTC P0102 Mass Or Volume Air Flow Circuit Low Input: 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.
Engine electrical system, turbo model < Refer to
appropriate SYSTEM WIRING DIAGRAM.>
Fig 1: Mass Or Volume Air Flow Circuit - Wiring Diagram