2010 Lexus IS 350CFACTORY OEM SERVICE PROCEDURE

Power Window cannot be Operated by Wireless Operation: Description

When a transmitter switch is pushed, the following occurs: 1) the door control receiver receives the transmitter's signal; 2) the door control receiver sends a signal to the certification ECU (smart key ECU assembly); 3) the certification ECU (smart key ECU assembly) sends the operation permission signal to the power window regulator motor via the power window regulator master switch assembly; and 4) the power window motors are activated.

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:

  • 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.