Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten ground screws on the body.

   Refer to "GROUND INSPECTION ".

   Fig 1: Identifying Body Ground M70 And Body Ground M16 Screws

   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 (3) harness connector.
   • Illustration shows the view from under the vehicle.
   • <=: Vehicle front
   • EVAP canister vent control valve (1)
   • EVAP canister (2)
2. Check sensor harness connector for water.
   Fig 2: Identifying EVAP Canister Vent Control Valve, EVAP Canister And EVAP Control System Pressure Sensor

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

   Water should not exist. 

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