Diagnostic Procedure

CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground screw on the body. Refer to "GROUND INSPECTION ".
Fig 1: Identifying Body Ground, Steering Column And Blower Motor
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 2.

NG: Repair or replace ground connections.
CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR FOR WATER
1. Disconnect EVAP control system pressure sensor harness connector.
  
  Fig 2: Identifying EVAP Canister, EVAP Control System Pressure Sensor And Muffler
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Check sensor harness connector for water.
  Water should not exist.
OK or NG

OK: GO TO 3.

NG: Repair or replace harness connector.
CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Refer to "COMPONENT INSPECTION ".

OK or NG

OK: GO TO 4.

NG: Replace EVAP control system pressure sensor.
CHECK INTERMITTENT INCIDENT
Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

For Wiring Diagram, refer to WIRING DIAGRAM .

>> INSPECTION END