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Home >> Infiniti >> 2012 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P1424 >> DTC P1226: TP Sensor >> Diagnosis Procedure
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Diagnosis 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.

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Remove the foreign matter and clean the electric throttle control actuator inside, then perform throttle valve closed position learning. Refer to "WORK PROCEDURE ".

  2. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

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

    : INSPECTION END