LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2004 >> FX35 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control System >> DTC P1121 Electric Throttle Control Actuator >> Diagnostic Procedure

Diagnostic Procedure

  1. Check Electric Throttle Control Actuator Visually 
    1. Remove the intake air duct.
    2. Check if a foreign matter is caught between the throttle valve and the housing.

    OK or NG

    1. OK: Go to 2.
    2. NG: Remove the foreign matter and clean the electric throttle control actuator inside.
      Fig 1: Checking Electric Throttle Control Actuator Visually
      G00727536Courtesy of NISSAN MOTOR CO., U.S.A.

  2. Replace Electric Throttle Control Actuator 
    1. Replace the electric throttle control actuator.
    2. Perform THROTTLE VALVE CLOSED POSITION LEARNING .
    3. Perform IDLE AIR VOLUME LEARNING .
    1. Inspection end