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Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1225 Through P2A03 (Convertible) >> DTC P1226, P1235: 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 (1) and the housing.
      Fig 1: Identifying Throttle Valve
      G08443851Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Remove the foreign matter and clean the electric throttle control actuator inside, and then perform throttle valve closed position learning. Refer to "THROTTLE VALVE CLOSED POSITION LEARNING: SPECIAL REPAIR REQUIREMENT ".

  2. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
    1. Replace malfunctioning electric throttle control actuator. Refer to "EXPLODED VIEW ".
    2. Go to "SPECIAL REPAIR REQUIREMENT ".

INSPECTION END