Component Description

The EVAP control system pressure sensor (3) detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases.

• Illustration shows the view from under the vehicle.
• <=: Vehicle front
• EVAP canister vent control valve (1)
• EVAP canister (2)
  Fig 1: Identifying EVAP Control System Pressure Sensor, EVAP Canister Vent Control Valve 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.