FixVault

4. Check EVAP Purge Line

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF.
  2. Check EVAP purge line for improper connection or disconnection.

    Refer to EVAPORATIVE EMISSION LINE DIAGRAM  .

OK or NG 

OK : GO TO 5

NG : Repair it.