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Home >> Nissan-Datsun >> 2004 >> Altima Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System - 2.5L >> DTC P1226: TP Sensor >> Diagnostic Procedure

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 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: Identifying Electric Throttle Control Actuator & Throttle Valve
      G02884693Courtesy of NISSAN MOTOR CO., U.S.A.
  2. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR 
    1. Replace the electric throttle control actuator.
    2. Preform "THROTTLE VALVE CLOSED POSITION LEARNING ".
    3. Preform "IDLE AIR VOLUME LEARNING ".
    1. >> INSPECTION END