Component Description

The EVAP control system pressure sensor (2) detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases.

• EVAP canister vent control valve (1)
• Drain filter (3)
• EVAP canister (4)
• <=: Vehicle front

Fig 1: Identifying EVAP Control System Pressure Sensor, Drain Filter And EVAP Canister

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

Fig 2: EVAP Control System Pressure Sensor Output Voltage Graph

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