2008 Lexus GS 450hFACTORY OEM SERVICE PROCEDURE

Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated): Description

If the door glass or the power window regulator motor does not operate smoothly, the jam protection function may be triggered automatically, resulting in the AUTO UP function being unable to fully close the window.

HINT:

This symptom may occur for all the windows.

NOTE: When the power window regulator motor is reinstalled or replaced, the power window control system must be initialized.
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When to See a Mechanic

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

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