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Home >> Infiniti >> 2013 >> FX37 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1089 To P2138 >> 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.

      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 .

      Fig 1: Locating Throttle Valve
      G09000927Courtesy of NISSAN NORTH AMERICA, INC.
  2. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR 
    1. Replace malfunctioning electric throttle control actuator.
    2. Go to "SPECIAL REPAIR REQUIREMENT ".

      : INSPECTION END