Without Consult

To locate the EVAP leak, install EVAP service port adapter and pressure pump to EVAP service port.

Fig 1: Checking EVAP For Leakage Using Pressure Pump
Courtesy of NISSAN NORTH AMERICA, INC.
Apply battery voltage between the terminals of EVAP canister vent control valve to make a closed EVAP system.
To locate the leak, deliver positive pressure to the EVAP system until pressure gauge points reach 1.38 to 2.76 kPa (0.014 to 0.028 kg/cm² , 0.2 to 0.4 psi).
Remove EVAP service port adapter and hose with pressure pump.
Locate the leak using a leak detector. Refer to "SYSTEM DIAGRAM ".

Fig 2: Identifying Leak Detector
Courtesy of NISSAN NORTH AMERICA, INC.