Diagnosis Procedure

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

Fig 1: Checking Ground Connections

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG 

OK: GO TO 2.

NG: Repair or replace ground connections.

1. Disconnect EVAP control system pressure sensor (2) harness connector.
   • Fuel filler pipe (1)
   • EVAP canister vent control valve (3)
   • EVAP canister (4)
   • Drain filter (5)
   • <== : Vehicle front
2. Check sensor harness connector for water.

Water should not exist. 

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness connector.

Fig 2: Identifying Fuel Filler Pipe, EVAP Control System Pressure Sensor, Canister And Drain Filter

Courtesy of NISSAN NORTH AMERICA, INC.

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 4.

NG: Replace EVAP control system pressure sensor. Refer to "REMOVAL AND INSTALLATION ".

Refer to "INTERMITTENT INCIDENT ".

: INSPECTION END