2007 Lexus GX 470FACTORY OEM SERVICE PROCEDURE

Problem Symptoms Table

POWER WINDOW CONTROL SYSTEM 

PROBLEM SYMPTOMS TABLE

Symptom Suspected Area Information
AUTO UP/DOWN function does not operate at driver side Power window regulator motor assembly LH (Driver side) POWER WINDOW REGULATOR MOTOR 
Wire harness -
Power window regulator master switch assembly DRIVER SIDE POWER WINDOW AUTO UP/DOWN FUNCTION DOES NOT OPERATE WITH POWER WINDOW MASTER SWITCH 
AUTO UP/DOWN function does not operate at passenger Power window regulator motor assembly RH POWER WINDOW REGULATOR MOTOR 
Wire harness -
Power window regulator switch assembly RH FRONT PASSENGER SIDE POWER WINDOW AUTO UP/DOWN FUNCTION DOES NOT OPERATE WITH FRONT PASSENGER SIDE POWER WINDOW SWITCH 
AUTO UP/DOWN function does not operate at rear LH Power window regulator motor assembly LH (Rear LH) POWER WINDOW REGULATOR MOTOR 
Wire harness -
Power window regulator switch assembly rear (Rear LH) REAR POWER WINDOW LH AUTO UP/DOWN FUNCTION DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH LH 
AUTO UP/DOWN function does not operate at rear RH Power window regulator motor assembly RH (Rear RH) POWER WINDOW REGULATOR MOTOR 
Wire harness -
Power window regulator switch assembly rear (Rear RH) REAR POWER WINDOW RH AUTO UP/DOWN FUNCTION DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH RH 
Manual UP/DOWN function does not operate at driver Power window regulator master switch assembly MANUAL UP/DOWN FUNCTION DOES NOT OPERATE ON DRIVER SIDE 
Power window regulator motor assembly LH (Driver side) POWER WINDOW REGULATOR MOTOR 
Wire harness -
Manual UP/DOWN function does not operate at passenger Power window regulator switch assembly (Passenger side) MANUAL UP/DOWN FUNCTION DOES NOT OPERATE ON PASSENGER SIDE ONLY 
Power window regulator motor assembly RH POWER WINDOW REGULATOR MOTOR 
Wire harness -
Manual UP/DOWN function does not operate at rear LH Power window regulator switch assembly rear (Rear LH) MANUAL UP/DOWN FUNCTION DOES NOT OPERATE ON REAR LH ONLY 
Power window regulator motor assembly LH (Rear LH) POWER WINDOW REGULATOR MOTOR 
Wire harness -
Manual UP/DOWN function does not operate at rear RH Power window regulator switch assembly rear (Rear RH) MANUAL UP/DOWN FUNCTION DOES NOT OPERATE ON REAR RH ONLY 
Power window regulator motor assembly RH (Rear RH) POWER WINDOW REGULATOR MOTOR 
Wire harness -
Remote UP/DOWN function does not operate Power window regulator master switch assembly REMOTE UP/DOWN FUNCTION DOES NOT OPERATE 
Power window regulator switch assembly (Passenger side) -
Power window regulator switch assembly rear (Rear LH) -
Power window regulator switch assembly rear (Rear RH) -
Wire harness -
Instrument panel J/B assy (Body ECU) -
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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