Diagnosis 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 M16)

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.

Water should not exist  .

Fig 2: Identifying EVAP Canister Vent Control Valve To EVAP Canister

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 "DIAGNOSIS PROCEDURE ".

For Wiring Diagram, refer to "WIRING DIAGRAM ".

INSPECTION END