WARNING: This page is about a different car, the 2003 Subaru Outback, 2003 Subaru Legacy, and 2003 Subaru Baja. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying TCM I/O Signal Terminals (Without VDC System & Sport Shift)
Courtesy of SUBARU OF AMERICA, INC.
Fig 2: TCM Electrical Specification Chart (Without VDC System & Sport Shift - 1 Of 3)
Courtesy of SUBARU OF AMERICA, INC.
Fig 3: TCM Electrical Specification Chart (Without VDC System & Sport Shift - 2 Of 3)
Courtesy of SUBARU OF AMERICA, INC.
Fig 4: TCM Electrical Specification Chart (Without VDC System & Sport Shift - 3 Of 3)