WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Vehicle Security System Wiring Diagram And Identifying Connectors (1 Of 5) - BL-VEHSEC-01
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Vehicle Security System Wiring Diagram And Identifying Connectors (2 Of 5) - BL-VEHSEC-02
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Vehicle Security System Wiring Diagram And Identifying Connectors (3 Of 5) - BL-VEHSEC-03
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 4: Vehicle Security System Wiring Diagram And Identifying Connectors (4 Of 5) - BL-VEHSEC-04
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 5: Vehicle Security System Wiring Diagram And Identifying Connectors (5 Of 5) - BL-VEHSEC-05