Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten ground three screws on the body.
   Fig 1: Locating Ground Screws

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   Refer to Ground Inspection  .

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.
   Fig 2: Locating Accelerator Pedal Position Sensor

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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.
   Fig 3: Check Voltage Between APP Sensor Terminal 6 And Ground

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

Check the following.

• Harness for short to power and short to ground, between the following terminals
  Fig 4: Checking Sensor Power Supply Circuits

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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 system pressure sensor (Refer to Component Inspection  ).
• Power steering pressure sensor.
• Refrigerant pressure sensor (COMPONENT INSPECTION or COMPONENT INSPECTION ).

OK or NG 

1. OK >> GO TO  77.
2. NG >> Replace malfunctioning components.

Refer to Component Inspection  .

OK or NG 

1. OK >> GO TO  7.
2. 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  .

1. >> INSPECTION END 

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT  .

1. >> INSPECTION END