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)

Fig 1: Identifying Body Ground

Courtesy of NISSAN NORTH AMERICA, INC.

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 sensor harness connector for water.

Water should not exist  .

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

Courtesy of NISSAN NORTH AMERICA, INC.

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 , "REMOVAL AND INSTALLATION ".

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 , "COMPONENT ".

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 9.

NG: GO TO 8.

Replace accelerator pedal assembly. Refer to , "REMOVAL AND INSTALLATION ".

INSPECTION END 

Refer to "DIAGNOSIS PROCEDURE ".

For wiring diagram, refer to "WIRING DIAGRAM ".

INSPECTION END