WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Air Breather Hose - F/T 4WD Model
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Exploded View Of Air Breather Hose - P/T 4WD Model
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Exploded View Of Air Breather Hose - 2WD Model