WARNING: This page is about a different car, the 2011 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Electronic Controlled Engine Mount Control Valve And Intake Manifold Collector
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Identifying Front Electronic Controlled Engine Mount And Rear Electronic Controlled Engine Mount
Courtesy of NISSAN MOTOR CO., U.S.A.
NOTE:
Do not use soapy water or any type of solvent while installing vacuum hose.