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Home >> Nissan-Datsun >> 2008 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P1148 To P2A03 (Qr25DE) >> DTC P1225 TP Sensor >> Diagnostic Procedure
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Diagnostic Procedure

  1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY 
    1. Turn ignition switch OFF.
    2. Remove the intake air duct.
    3. Check if foreign matter is caught between the throttle valve (1) and the housing.
      • <= : Vehicle front
      • Electric throttle control actuator (2)

    OK or NG 

    OK: GO TO 2.

    NG: Remove the foreign matter and clean the electric throttle control actuator inside.

    Fig 1: Identifying Throttle Valve And Electric Throttle Control Actuator
    G04926149Courtesy 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 ".

    : INSPECTION END