EVAP Control Pressure Sensor

WARNING: This page is about a different car, the 2004 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

Remove EVAP control system pressure sensor with its harness connector connected from EVAP canister.
Always replace O-ring with a new one.
Install a vacuum pump to EVAP control system pressure sensor.
Turn ignition switch ON and check output voltage between ECM terminal 32 and ground under the following conditions.

Fig 1: EVAP Control Pressure Sensor Inspection (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: EVAP Control Pressure Sensor Inspection (2 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- Always calibrate the vacuum pump gauge when using it.
- Do not apply below -93.3 kPa (-700 mm Hg, -27.56 in Hg) or pressure over 101.3 kPa (760 mm Hg, 29.92 in Hg).
If NG, replace EVAP control system pressure sensor.