FixVault

3. Check EVAP Control System Pressure Sensor Power Supply Circuit

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 ON.
  2. Check voltage between EVAP control system pressure sensor terminal 1 and ground with CONSULT-II or tester. See Figure.
    1. Voltage: Approximately 5V 

OK or NG 

OK : GO TO 5.

NG : GO TO 4.