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.
1999 Lexus LS 400FACTORY OEM SERVICE PROCEDURE
Traction Control: Anti-Lock
- Description
- Operation
- Bleeding Brake System
- Servicing
- Trouble Shooting
- Diagnosis & Testing
- Diagnostic Tests
- Notes
- DTC C0278/11 Or C0279/12: Abs Solenoid Relay Circuit
- DTC C0273/13 Or C0274/14: Abs Motor Relay Circuit
- DTC C0226/21: Right Front Abs Solenoid Circuit, DTC C0236/22: Left Front Abs Solenoid Circuit, DTC C0246/23: Right Rear Abs Solenoid Circuit Or DTC C0256/24: Left Rear Abs Solenoid Circuit
- DTC C1225/25: TRAC/VSC Actuator Solenoid Circuit, DTC C1226/26: TRAC/VSC Actuator Solenoid Circuit Or DTC C1227/27: TRAC/VSC Actuator Solenoid Circuit
- DTC C0200/31: Right Front Wheel Speed Sensor Circuit
- DTC C0205/32: Left Front Wheel Speed Sensor Circuit
- DTC C0210/33: Right Rear Wheel Speed Sensor Circuit
- DTC C0215/34: Left Rear Wheel Speed Sensor Circuit
- DTC C1233/33 & 1234/34: Yaw Rate Sensor Circuit
- DTC C1241/41: IG Power Supply Circuit
- DTC C1243/43 & C1245/45: Deceleration Sensor Malfunction
- DTC C1246/46: Master Cylinder Pressure Sensor Circuit
- DTC C1249/49: BRAKELIGHT Switch Circuit
- DTC C1251/51: Abs Pump Motor Lock
- System Tests
- Component Tests
- Removal & Installation
- Overhaul
- Adjustments
- Torque Specifications
- Wiring Diagrams
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.
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