Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

RETIGHTEN GROUND SCREWS
1. Turn ignition switch OFF.
2. Loosen and retighten engine ground screws.
  GO TO 2.
  
  Fig 1: Retightening Engine Ground Screws
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition ON.
  
  Fig 2: Disconnecting Accelerator Pedal Position 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 5V
  
  Fig 3: Checking Voltage Between APP Sensor Terminal 4 And Ground With CONSULT-II Or Tester
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 5.
2. NG: GO TO 3.
CHECK SENSOR POWER SUPPLY CIRCUITS
Check the following.
- Harness for short to power and short to ground, between the following terminals.
  
  Fig 4: Sensor Power Circuits Specification Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
- ECM pin terminal.
OK or NG
1. OK: GO TO 4.
2. NG: Repair short to ground or short to power in harness or connectors.
CHECK COMPONENTS
Check the following.
- Refrigerant pressure sensor (Refer to "AUTO ".)
- Power steering pressure sensor (Refer to "COMPONENT INSPECTION ".)
OK or NG
1. OK: GO TO 7.
2. NG: Replace malfunctioning component.
CHECK APP SENSOR
Refer to "COMPONENT INSPECTION ".

OK or NG
1. OK: GO TO 7.
2. NG: GO TO 6.
REPLACE ACCELERATOR PEDAL ASSEMBLY
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
CHECK INTERMITTENT INCIDENT
Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

INSPECTION END