LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2015 >> Q60 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Trouble Codes (DTCS) P0447-P2123) (Convertible) >> DTC/Circuit Diagnosis >> DTC P1225, P1234: TP Sensor >> Diagnosis Procedure >> Diagnostic Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Test

  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
      G05207803Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Remove the foreign matter and clean the electric throttle control actuator inside, and then perform throttle valve closed position learning. Refer to 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