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.
2008 Scion tC Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Power Window Master Switch: Inspection
- INSPECT POWER WINDOW MASTER SWITCH (w/o Jam Protection Function)
- Measure the resistance when the switch is operated according to the value(s) in the table below.
Standard resistance
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RESISTANCE SPECIFICATIONTester Connection Switch Condition Specified Condition 1 (E) - 6 (D) Manual UP Below 1 Ω 5 (U) - 3 (B) Below 1 Ω 1 (E) - 5 (U) - 6 (D) OFF Below 1 Ω 1 (E) - 5 (U) Manual DOWN Below 1 Ω 6 (D) - 3 (B) Below 1 Ω 1 (E) - 5 (U) Auto DOWN Below 1 Ω 6 (D) - 3 (B) Below 1 Ω
- Measure the resistance when the switch is operated according to the value(s) in the table below.
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.