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 Ford Mustang Mach 1, AutomaticFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake System
- Specifications
- Description And Operation
- Diagnosis And Testing
- Anti-Lock Control - Traction Control
- Notes
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: No Communication With Anti-Lock Brake Control Module
- Pinpoint Test B: Unable To Enter Self-Test
- Pinpoint Test C: DTC B1318, Battery Voltage Low
- Pinpoint Test D: DTC B1484, Brake Pedal Input Open Circuit
- Pinpoint Test E: DTC C1095, Abs Hydraulic Pump Motor Failure
- Pinpoint Test F: Anti-Lock Brake Sensor Input Circuit Failure
- Pinpoint Test G: DTC C1222, Anti-Lock Brake Sensor Mismatch
- Pinpoint Test H: Anti-Lock Brake Sensor Input Signal Missing
- Pinpoint Test I: The Yellow Abs Warning Indicator Does Not Self-Check
- Pinpoint Test J: Spongy Brake Pedal With No Warning Indicator
- Pinpoint Test K: Poor Vehicle Tracking During Anti-Lock Function
- Pinpoint Test L: The Traction Control Is Inoperative - Does Not Operate Correctly
- Pinpoint Test M: The Traction Control Indicator Is Inoperative - Traction Control Switch
- Anti-Lock Control - Traction Control
- Removal And Installation
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.