WARNING: This page is about a different car, the 2007 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Evaporative Emission Line Drawing (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.
NOTE:
Do not use soapy water or any type of solvent while installing vacuum hose or purge hoses.