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.
2010 Lexus IS 350CFACTORY OEM SERVICE PROCEDURE
Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch: Description
- If the pulse sensor on the power window regulator motor assembly (for driver side) malfunctions, the regulator will enter fail-safe mode, and the auto up and down function will not operate.
- If the power window initialization. Refer to INITIALIZATION has not been performed, the auto up and down function will not operate.
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.