WARNING: This page is about a different car, the 2005 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Auto Light System (LT-AUTO/L-01) - Wiring Diagram
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Auto Light System (LT-AUTO/L-02) - Wiring Diagram
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Auto Light System (LT-AUTO/L-03) - Wiring Diagram