With Consult-III

To locate the EVAP leakage, install EVAP service port adapter (commercial service tool) and pressure pump to EVAP service port.
Turn ignition switch ON.
Select the "EVAP SYSTEM CLOSE" of "WORK SUPPORT MODE" with CONSULT-III.
Touch "START". A bar graph (Pressure indicating display) will appear on the screen.
Apply positive pressure to the EVAP system until the pressure indicator reaches the middle of the bar graph.

Fig 1: Applying Positive Pressure To EVAP System
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove EVAP service port adapter (commercial service tool) and hose with pressure pump.
Locate the leakage using a leakage detector (commercial service tool). Refer to "SYSTEM DIAGRAM ".

Fig 2: Identifying Leakage Detector (Commercial Service Tool)
Courtesy of NISSAN MOTOR CO., U.S.A.