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.
2004 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Service Specifications
GENERATOR SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Rotor Coil resistance @ 68°F (20°C) | 2.1-2.5 Ohms | |
| Slip Ring Diameter | ||
| Standard | .559-0.567 in. (14.2-14.4 mm) | |
| Minimum | .504 in. (12.8 mm) | |
| Brush Exposed Length | ||
| Standard | .374-.453 in. (9.5-11.5 mm) | |
| Minimum | .059 in. (1.5 mm) | |
GENERATOR OUTPUT SPECIFICATIONS (1)
| Application | Amps | Volts | ||
|---|---|---|---|---|
| SC430 | 10 Or Less | 13.2-14.8 | ||
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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.