Without Consult

To locate the EVAP leak, install EVAP service port adapter (commercial service tool) and pressure pump to EVAP service port.

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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/cm ² , 0.2 to 0.4 psi).
Remove EVAP service port adapter (commercial service tool) and hose with pressure pump.
Locate the leak using a leak detector (commercial service tool). Refer to System Description .

Courtesy of NISSAN NORTH AMERICA, INC.