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 - Automatic Back Door System - BL-B/CLOS-01
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Wiring Diagram - Automatic Back Door System - BL-B/CLOS-02
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Wiring Diagram - Automatic Back Door System - BL-B/CLOS-03
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 4: Wiring Diagram - Automatic Back Door System - BL-B/CLOS-04
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 5: Wiring Diagram - Automatic Back Door System - BL-B/CLOS-05