Diagnostic Procedure

1. Turn ignition switch "OFF".
2. Loosen and retighten engine ground screws.

   View with engine harness connector disconnected 

   Fig 1: Locating Engine Ground Screws

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

1. GO TO 2.

1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch "ON".
   Fig 2: Identifying Location Of Accelerator Pedal Position Sensor

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check voltage between APP sensor terminal 12 and ground with CONSULT-II or tester.
   Fig 3: Checking Voltage Between APP Sensor Terminal 12 And Ground

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

   Voltage: Approximately 5V 

OK or NG 

1. OK GO TO 3.
2. NG Repair open circuit or short to ground or short to power in harness or connectors.

1. Turn ignition switch "OFF".
2. Check harness continuity between APP sensor terminal 9 and engine ground.

   Refer to WIRING DIAGRAM  .

   Continuity should exist. 

3. Also check harness for short to power.

OK or NG 

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

1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 106 and APP sensor terminal 11.

   Refer to WIRING DIAGRAM 

   Continuity should exist. 

3. Also check harness for short to ground and short to power.

OK or NG 

1. OK GO TO 5.
2. NG Repair open circuit or short to ground or short to power in harness or connectors.

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