2. Check Connector

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect EVAP control system pressure sensor harness connector.

Fig 1: Identifying EVAP Control System Pressure Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.
Check sensor harness connector for water.
Water should not exist.

OK or NG

OK: GO TO 3.
NG: Repair or replace harness connector.