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.
2003 Mitsubishi Lancer LSFACTORY OEM SERVICE PROCEDURE
Section 249 (Anti-Lock Brake System & Traction Control System - Abs/TCS)
WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
- Precautions
- Preparation
- General Information
- Trouble Diagnosis
- Trouble Diagnosis For Self-Diagnostic Items
- Trouble Diagnoses For Symptoms
- 1. ABS Works Frequently
- 2. Unexpected Pedal Action
- 3. Long Stopping Distance
- 4. ABS Does Not Work
- 5. Pedal Vibration and Noise
- 6. ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On
- 7. ABS Warning Lamp Stays On When Ignition Switch Is Turned On
- 8. During ABS/TCS Control, Vehicle Behavior is Jerky.
- Wheel Sensors
- Sensor Rotor
- Actuator And Electric Unit (Assembly)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.