Diagnosis Procedure

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

   Refer to "GROUND INSPECTION ".

   • : Vehicle front
   • Body ground (1)

   OK or NG 

   OK: GO TO 2.

   NG: Repair or replace ground connections.

   Fig 1: Location Of Body Ground

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

1. Disconnect EVAP control system pressure sensor (1) harness connector.
   • This illustration is a view from under vehicle
   • EVAP canister (2)
   • EVAP canister vent control valve (3)
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: Location Of EVAP Control System Pressure Sensor, EVAP Canister And EVAP Canister Vent Control Valve

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

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 4.

NG: Replace EVAP control system pressure sensor. Refer to EVAPORATIVE EMISSION SYSTEM .

Check harness for short to power and short to ground, between the following terminals.

OK or NG 

OK: GO TO 5.

NG: Repair short to ground or short to power in harness or connectors.

Refer to TROUBLE DIAGNOSIS .

OK or NG 

OK: GO TO 6.

NG: Replace refrigerant pressure sensor. Refer to REMOVAL AND INSTALLATION FOR REFRIGERANT PRESSURE SENSOR .

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 7.

NG: Replace crankshaft position sensor (POS). Refer to CYLINDER BLOCK .

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO  9.

NG: GO TO 8.

Replace accelerator pedal assembly. Refer to ACCELERATOR CONTROL SYSTEM .

INSPECTION END 

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

For wiring diagram, refer to "WIRING DIAGRAM ".

INSPECTION END