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.
2005 Ford Freestar BaseFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake System
- Specifications
- Description And Operation
- Diagnosis And Testing
- Anti-Lock Control
- Notes
- Special Tool(s)
- Principles of Operation
- Traction Control with Stability Assist
- Low Tire Warning System
- Yaw Rate Sensor
- Lateral Accelerometer
- Steering Wheel Rotation Sensor
- Active Brake Booster
- Electronic Brake Distribution (EBD)
- Panic Assist Braking
- Diagnostic Trouble Code (DTC) C1963
- Stability Assist Module Calibration
- Inspection and Verification
- Symptom Chart
- Connector Circuit Reference
- Pinpoint Tests
- Pinpoint Test A: No Communication With the anti-lock brake system (ABS) Module
- Pinpoint Test B: DTC C1288 - Pressure Transducer Main/Primary Input Circuit Failure
- Pinpoint Test C: The Stability Assist System Cannot Be Disabled
- Pinpoint Test D: DTCs C1095 and C1096 - ABS Hydraulic Pump Motor Circuit Failure/Open
- Pinpoint Test E: DTCs C1145, C1155, C1165, and C1175 - Wheel Speed Sensor Input Circuit Failure
- Pinpoint Test F: DTCs C1222, C1233, C1234, C1235, and C1236 - Wheel Speed Sensor Input Signal Missing/Mismatch
- Pinpoint Test G: DTCs C1277 and C1278 - Steering Wheel Angle 1 and 2 Circuit Failure/Faulted
- Pinpoint Test H: DTCs C1279, C1280, C1281, and C1282 - Sensor Cluster Faults
- Pinpoint Test I: DTC C1285 - Booster Solenoid Circuit Failure, DTC C1286 - Booster Mechanical Failure
- Pinpoint Test J: DTC C1287 - Brake Booster Pedal Force Switch Circuit Failure
- Pinpoint Test K: The Stability Assist Is Inoperative
- Pinpoint Test L: DTCs B1317 and B1318- Battery Voltage High/Low
- Pinpoint Test M: DTC C1991 - Module Calibration Failure
- Pinpoint Test N: DTCs B2061, B2062, B2063, B2064, B2065, B2066, B2067, B2068, B2069, B2070, B2071, B2072, and B2073 - Valve Solenoid Overtemp
- Pinpoint Test O: Spongy/Soft Brake Pedal With No Warning Indicator
- Pinpoint Test P: DTC C1446 - Brake Pedal Switch Circuit Failure
- Pinpoint Test Q: DTC C1730 - Reference Voltage Out of Range (+5 V)
- Anti-Lock Control
- Removal And Installation
Factory Service Tools
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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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