Diagnosis Procedure

2012 Nissan-Datsun Sentra SE-RSECTION Diagnosis Procedure
  1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
    1. Turn ignition switch OFF.
    2. Remove the intake air duct. Refer to , "REMOVAL AND INSTALLATION ".
    3. Check if foreign matter is caught between the throttle valve (1) and the housing.
    • ←: Vehicle front
    • Electric throttle control actuator (2)
    Fig 1: Identifying Throttle Valve And Electric Throttle Control Actuator
    G04926149Courtesy of NISSAN NORTH AMERICA, INC.

    OK or NG 

    OK: GO TO 2.

    NG: Remove the foreign matter and clean the electric throttle control actuator inside, and then perform throttle valve closed position learning. Refer to "THROTTLE VALVE CLOSED POSITION LEARNING ".

  2. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

    Replace the electric throttle control actuator. Refer to , "REMOVAL AND INSTALLATION ".

    INSPECTION END 

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.