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 - Vehicle Security System - BL-VEHSEC-01
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Wiring Diagram - Vehicle Security System - BL-VEHSEC-02
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Wiring Diagram - Vehicle Security System - BL-VEHSEC-03
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 4: Wiring Diagram - Vehicle Security System - BL-VEHSEC-04
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 5: Wiring Diagram - Vehicle Security System - BL-VEHSEC-05