Diagnostic Procedure

1. Turn ignition switch OFF.
2. Remove the intake air duct.
3. Check if foreign matter is caught between the throttle valve and the housing.
Fig 1: Identifying Electric Throttle Control Actuator And Throttle Valve
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK : GO TO 2.
2. NG : Remove the foreign matter and clean the electric throttle control actuator inside.

1. Replace the electric throttle control actuator.
2. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
3. Perform "IDLE AIR VOLUME LEARNING ".
   1. : INSPECTION END