Component Description

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 Vent Control Valve

Courtesy of NISSAN NORTH AMERICA, INC.

Fig 2: Sensor Output Voltage VS Absolute Pressure Graph

Courtesy of NISSAN NORTH AMERICA, INC.