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.
2001 Lexus LX 470FACTORY OEM SERVICE PROCEDURE
System Testing: Notes
SYSTEM INDEX
| Symptom | Perform Test |
|---|---|
| ACTIVE TRAC Indicator Light Circuit | Test A |
| DTC Always On, Malfunction In EC | Test B |
| DTC Always On, Malfunction In ABS ECU/VSC/TRAC Warning Light Circuit | Test C |
| ABS Warning Light Circuit | Test D |
| Brake Warning Light Circuit | Test E |
| Brake Warning, VSC Buzzer Circuit | Test F |
| Deceleration Sensor Check | Test G |
| SLIP Indicator Light Circuit | Test H |
| Speed Sensor Signal Check | Test I |
| Tc Terminal Circuit | Test J |
| Ts Terminal Circuit | Test K |
| VSC OFF Indicator Light, Center Diff Lock Switch Circuit | Test L |
| VSC Sensor Check | Test M |
| VSC TRAC Warning Light Circuit | Test N |
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.