Disabling Air Bag System
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2004 Nissan Xterra, 2004 Nissan Titan, 2004 Nissan Sentra, 2004 Nissan Quest, and 2004 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
To disable SRS, turn ignition off. Disconnect and shield BOTH battery cables starting with negative battery cable and then positive battery cable. WAIT at least 3 minutes before working on vehicle.