WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: 1st Gear Function Circuit And Identifying Connectors
Courtesy of NISSAN MOTOR CO., U.S.A.
TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)