Diagnostic Procedure

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

   Refer to "GROUND INSPECTION ".

   Fig 1: Locating Three Ground Screws On Body

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

OK or NG 

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

1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 6 and ground with CONSULT-II or tester.
   1. Voltage: Approximately 5V 

OK or NG 

1. OK: GO TO 5.
2. NG: GO TO 3.

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

OK or NG 

1. OK: GO TO 4.
2. NG: Repair short to ground or short to power in harness or connectors.

Check the following.

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

OK or NG 

1. OK: GO TO 7.
2. NG: Replace malfunctioning component.

Refer to "COMPONENT INSPECTION ".

OK or NG 

1. OK: GO TO 7.
2. 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 ".
   1. INSPECTION END 

Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

1. INSPECTION END