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Home >> Infiniti >> 2007 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1225 To P2A03 >> 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 and the housing.

    OK or NG 

    OK: GO TO 2.

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

    Fig 1: CONSULT-II Display - DATA MONITOR
    G04900621Courtesy of NISSAN NORTH AMERICA, INC.
  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