Component Description

WARNING: This page is about a different car, the 2006 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases.

Fig 1: Locating EVAP Canister, EVAP Pressure Sensor And EVAP Vent Control Valve

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Sensor Output Voltage VS Absolute Pressure Graph

Courtesy of NISSAN MOTOR CO., U.S.A.