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 Windstar BaseFACTORY OEM SERVICE PROCEDURE
Module Communications Network System
- Specifications
- Description And Operation
- Diagnosis And Testing
- Communications Network
- Notes
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- System Precheck
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: The Anti-Lock Brake Control Module (Abs) Does Not Respond To The Diagnostic Tool
- Pinpoint Test B: The Parking Aid Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test C: The Left Power Sliding Door Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test D: The Right Power Sliding Door Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test E: The Remote Keyless Entry (RKE) Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test F: The Restraint Control Module (RCM) Does Not Respond To The Diagnostic Tool
- Pinpoint Test G: The Rear Electronic Module (Rem) Does Not Respond To The Diagnostic Tool
- Pinpoint Test H: The Next Generation Speed Control (NGSC) Servo Does Not Respond To The Diagnostic Tool
- Pinpoint Test I: The Front Electronic Module (Fem) Does Not Respond To The Diagnostic Tool
- Pinpoint Test J: The Powertrain Control Module (Pcm) Does Not Respond To The Diagnostic Tool
- Pinpoint Test K: The Instrument Cluster Does Not Respond To The Diagnostic Tool
- Pinpoint Test L: No International Standards Organization (ISO) 9141 Module/Network Communication
- Pinpoint Test M: No Standard Corporate Protocol (SCP) Module/Network Communication
- Pinpoint Test N: No Module / Network Communication - No Power To The Diagnostic Tool
- Communications Network
- General Procedures
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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