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Home >> Nissan-Datsun >> 2008 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 194 (Engine Control System - DTCS P0455 To P1421) >> DTC P1225 TP Sensor >> Diagnostic Procedure
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Diagnostic Procedure

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  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 and the housing.
    4. Fig 1: Identifying Electric Throttle Control Actuator And Throttle Valve
      G04897207Courtesy 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.

  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