Diagnostic Procedure

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

OK or NG
1. OK: GO TO 2.
2. NG: Repair or replace harness connector.
CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Refer to "COMPONENT INSPECTION ".

OK or NG
1. OK: GO TO 3.
2. NG: Replace EVAP control system pressure sensor.
CHECK INTERMITTENT INCIDENT
Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ". For wiring diagram, refer to WIRING DIAGRAM .
1. : INSPECTION END