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 SC 430FACTORY OEM SERVICE PROCEDURE
Front Passenger Side Power Window Switch: Inspection
- INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY
- Measure the resistance of the switch when the switch is operated.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Switch Condition Specified Condition 3 (A) - 8 (PCT) AUTO UP Below 1 Ω 1 (U) - 8 (PCT) Below 1 Ω 1 (U) - 8 (PCT) UP Below 1 Ω - OFF - 6 (D) - 8 (PCT) DOWN Below 1 Ω 6 (D) - 8 (PCT) AUTO DOWN Below 1 Ω 3 (A) - 8 (PCT) Below 1 Ω Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, replace the regulator switch assembly.
- Measure the resistance of the switch when the switch is operated.
Factory Service Tools
Use the Manual With the Right Hardware
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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.