Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body. Refer to "GROUND INSPECTION "
   Fig 1: Locating Body Ground Screws

   Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG 

1. OK : GO TO 2.
2. NG : Repair or replace ground connections.

1. Disconnect EVAP control system pressure sensor harness connector.
   Fig 2: Disconnecting EVAP Control System Pressure Sensor Harness Connector

   Courtesy of NISSAN NORTH AMERICA, INC.
2. Check sensor harness connector for water.

   Water should not exist  .

OK or NG 

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

Refer to "COMPONENT INSPECTION ".

OK or NG 

1. OK : GO TO 4.
2. NG : Replace EVAP control system pressure sensor.

Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

Refer to "WIRING DIAGRAM ".

1. : INSPECTION END