Diagnostic Procedure

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

   Refer to "GROUND INSPECTION ".

   Fig 1: Checking Ground Connections

   Courtesy of NISSAN NORTH AMERICA, INC.

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: Checking APP Sensor 1 Power Supply Circuit

   Courtesy of NISSAN NORTH AMERICA, INC.
3. Check voltage between APP sensor terminal 7 and ground with CONSULT-II or tester.

   Voltage: Approximately 5V 

   Fig 3: Checking Voltage Between APP Sensor Terminal 7 And Ground

   Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG 

OK: GO TO  5.

NG: GO TO 3.

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 ".)
• Power steering pressure sensor (Refer to "COMPONENT INSPECTION ".)
• Battery current sensor (Refer to "COMPONENT INSPECTION ".)
• Refrigerant pressure sensor (Refer to "REFRIGERANT PRESSURE SENSOR ".)

OK or NG 

OK: GO TO  7.

NG: Replace malfunctioning components.

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO  7.

NG: GO TO 6.

1. Replace accelerator pedal position 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