WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying NVIS (Nissan Vehicle Immobilizer System - NATS)
Courtesy of NISSAN MOTOR CO., U.S.A.
NOTE:
If the customer reports a "No Start" condition, request ALL KEYS be brought to Dealer in case of NATS malfunction.