Diagnostic Procedure

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

   Refer to "GROUND INSPECTION ".

   Fig 1: Identifying Body Ground M70 And M16

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

OK or NG 

OK: GO TO 2.

NG: Repair or replace ground connections.

1. Disconnect accelerator pedal position (APP) sensor (1) harness connector.
2. Turn ignition switch ON.
   Fig 2: Identifying 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-III or tester.

   Voltage: Approximately 5V 

OK or NG 

OK: GO TO  5.

NG: GO TO 3.

Fig 3: Checking Voltage Between APP Sensor Terminal 6 And Ground

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

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

OK or NG 

OK: GO TO  7.

NG: Replace malfunctioning component.

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO  7.

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 ".

>> INSPECTION END 

Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

>> INSPECTION END