Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2007 Lexus IS 350FACTORY OEM SERVICE PROCEDURE

Driver Side Power Window

DRIVER SIDE POWER WINDOW DESCRIPTION

Malfunctioning Part	Disabled Function	Operative Function
Pulse sensor circuit in power window motor	AUTO UP/DOWN function Power window operation function after engine switch is turned off	Manual UP (fully pulled UP position) Manual DOWN Remote (AUTO and manual) Remote function after engine switch is turned off (AUTO and manual)
CPU in power window master switch	AUTO UP/DOWN function Remote function (AUTO and manual)	Manual UP (fully pulled UP position) Manual DOWN

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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