Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten two ground screws on the body. Refer to GROUND INSPECTION .

Fig 1: Checking Ground Connections

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

OK or NG 

• OK: GO TO  2.
• NG: Repair or replace ground connections.

1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch ON.
   Fig 2: Disconnecting Accelerator Pedal Position (APP) Sensor Harness Connector

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check voltage between APP sensor terminal 4 and ground with CONSULT-II or tester.
   • Voltage: Approximately 5 V 

OK or NG 

• OK: GO TO  5.
• NG: GO TO  3.

Fig 3: Checking Voltage Between APP Sensor Terminal & Ground

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.

Check the following.

• EVAP control system pressure sensor (Refer to COMPONENT INSPECTION .)
• Refrigerant pressure sensor (Refer to COMPONENT INSPECTION .)
• Power steering pressure sensor (Refer to COMPONENT INSPECTION .)

OK or NG 

• OK: GO TO  7.
• NG: Replace malfunctioning component.

Refer to COMPONENT INSPECTION .

OK or NG 

• OK: GO TO  7.
• NG: GO TO  6.

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 TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

• INSPECTION END