Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body. Refer to GROUND INSPECTION .

Fig 1: Locating Ground Screws Of Body

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

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

1. Disconnect EVAP control system pressure sensor harness connector.
2. Check sensor harness connector for water.
   • Water should not exist. 
Fig 2: Disconnecting EVAP Control System Pressure Sensor Harness Connector
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

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

Refer to COMPONENT INSPECTION .

OK or NG 

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

Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT . For Wiring Diagram, refer to WIRING DIAGRAM .

• : INSPECTION END