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Home >> Infiniti >> 2021 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 5) >> Engine (ECM) >> DTC P1226: TP Sensor >> DTC Diagnosis Procedure

DTC 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 INTAKE MANIFOLD : Removal & Installation .

    INSPECTION END