WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Wiring Diagram - TCM Power Input Signal (AT-PWR/IN-01)
Courtesy of NISSAN MOTOR CO., U.S.A.
TCM terminal and data are reference value. Measured between each terminal and ground.
Fig 2: TCM Terminal & Data Reference Value Chart - TCM Power Input Signal