Airtightness Inspection
WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
Use a hand-held vacuum pump to check.
When connected to booster side (1):
Vacuum decrease should be within 1.3 kPa (10 mmHg, 0.39 inHg) for 15 seconds under a vacuum of (-66.7 kPa) [(-500 mmHg), (-19.69 inHg)]
When connected to engine side (2): No vacuum will be applied