Component Description

The EVAP control system pressure sensor (1) detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases.

• This illustration is a view from under vehicle
• EVAP canister (2)
• EVAP canister vent control valve (3)

Fig 1: Identifying EVAP Control System Pressure Sensor And EVAP Canister

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

Fig 2: Voltage And Pressure Graph

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