WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Air Bag System Wiring Diagram (Quest-1 Of 3)
Fig 2: Air Bag System Wiring Diagram (Quest-2 Of 3)
Fig 3: Air Bag System Wiring Diagram (Quest-3 Of 3)