Vacuum Tank
WARNING: This page is about a different car, the 2010 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect vacuum hose connected to vacuum tank.
- Connect a vacuum pump to the port A of vacuum tank.
- Apply vacuum and make sure that vacuum exists at the port B.
Courtesy of NISSAN MOTOR CO., U.S.A.