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.
2002 Mercury Villager BaseFACTORY OEM SERVICE PROCEDURE
Anti-Lock Control
- Specifications
- Description And Operation
- Diagnosis And Testing
- Anti-Lock Control
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- Anti-Lock Brake Control Module Diagnostic Trouble Code (DTC) Index
- Anti-Lock Brake Control Module Parameter Identification (PID) Index
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: No Communication With The Anti-Lock Brake Control Module
- Pinpoint Test B: Unable To Enter Self-Test
- Pinpoint Test C: DTC 18 - Anti-Lock Brake Sensor Indicator Output Failure
- PINPOINT TEST D: DTC 21 (RF), 22 (RF), 25 (LF), 26 (LF), 31 (Reidentifying R), 32 (RR), 35 (LR), 36 (LR) - ANTI-LOCK BRAKE SENSOR CIRCUIT FAILURE
- Pinpoint Test E: DTC 41 (RF Outlet), 42 (RF Inlet), 45 (LF Outlet), 46 (LF Inlet), 51 (RR Outlet), 52 (RR Inlet), 55 (Rear Outlet), 56 (Rear Inlet) - Hydraulic Control Unit Valve Failure
- Pinpoint Test F: DTC 57 - Battery Voltage Low
- Pinpoint Test G: DTC 61 - Pump Motor Or Pump Motor Relay Failure
- Pinpoint Test H: DTC 63 - Solenoid Valve Relay
- Pinpoint Test I: DTC 71 - Ecu Internal Failure
- Pinpoint Test J: The Yellow Abs Warning Indicator Does Not Self-Check
- Pinpoint Test K: Soft/Excessive Pedal Travel
- Anti-Lock 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.
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