Diagnosis Procedure

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

   Refer to "GROUND INSPECTION ".

   Fig 1: Identifying Ground Connection, Washer Tank, Fuse And Fusible Link Box

   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 (1) harness connector.
   • This illustration is a view from under vehicle
   • EVAP canister (2)
   • EVAP canister vent control valve (3)
2. Check that water is not inside connectors.

   OK or NG 

   OK: GO TO 3.

   NG: Repair or replace harness connector.

   Fig 2: Identifying EVAP Control System Pressure Sensor, EVAP Canister And EVAP Canister Vent Control Valve

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

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

OK or NG 

OK: GO TO 4.

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

Refer to TROUBLE DIAGNOSIS .

OK or NG 

OK: GO TO 5.

NG: Replace refrigerant pressure sensor.

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 6.

NG: Replace crankshaft position sensor (POS).

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO  8.

NG: GO TO 7.

1. Replace accelerator pedal assembly.
2. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
3. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
4. Perform "IDLE AIR VOLUME LEARNING ".

   INSPECTION END 

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 9.

NG: Replace EVAP control system pressure sensor.

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

For wiring diagram, refer to "WIRING DIAGRAM ".

INSPECTION END