2006 Toyota Avalon XLSFACTORY OEM SERVICE PROCEDURE

On-Vehicle Inspection

  1. INSPECTION THROTTLE BODY 
    1. Inspect the throttle control motor for operating sound.
      1. Turn the ignition switch on (IG).
      2. When turning the accelerator pedal position sensor lever, check the running sound of the motor. The motor should be running smoothly without friction sounds.

        If operation is not as specified, check the throttle control motor, wiring and ECM (See REMOVAL ).

        Fig 1: Inspecting Throttle Control Motor For Operating Sound
        G04375244Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Inspect the throttle position sensor.
      1. Connect the intelligent tester (with CAN VIM) to the DLC3.
      2. Turn the ignition switch on (IG).
      3. Check that the MIL does not light up.
      4. Check that, under the CURRENT DATA, THROTTLE POS (throttle valve opening percentage) is within the standard value below.

        Standard throttle valve opening percentage: 60 % or more 

        If operation is not as specified, check the throttle position sensor, wiring and ECM (See REMOVAL ).

        Fig 2: Connecting Intelligent Tester (With CAN VIM) To DLC3
        G04375245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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