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.
2002 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
System Testing: Notes
WARNING: This page is about a different car, the 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
SYSTEM INDEX
| Symptom | Perform Test |
|---|---|
| ABS Warning Light Always On, Malfunction In Skid Control ECU | A |
| VSC Warning Light Always On, Malfunction in ECU Warning Light Circuit | B |
| ABS Warning Light Circuit | C |
| SLIP Indicator Light Circuit | D |
| TC Terminal Circuit | E |
| TRAC OFF Indicator, TRAC Cut Switch Circuit | F |
| TS Terminal Circuit | G |
| VSC Buzzer Circuit | H |
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.