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.

• EVAP canister (2)
• EVAP canister vent control valve (3)
  Fig 1: Identifying EVAP Control System Pressure Sensor, EVAP Canister And EVAP Canister 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.