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.
2004 Lincoln Aviator AWDFACTORY OEM SERVICE PROCEDURE
Section 301 (Module Communications Network System)
WARNING: This page is about a different car, the 2003 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Diagnosis And Testing
- Communications Network
- Notes
- Principles of Operation
- Inspection and Verification
- System Precheck
- Symptom Chart
- Pinpoint Test A: The Anti-Lock Brake Control (ABS) Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test B: The Audio Control Module (ACM) Does Not Respond To The Diagnostic Tool
- Pinpoint Test C: The Driver Door Module (DDM) Does Not Respond To The Diagnostic Tool
- Pinpoint Test D: The Driver Seal Module (DSM) Does Not Respond To The Diagnostic Tool
- Pinpoint Test E: The Electronic Automatic Temperature Control (EATC) 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 Lighting Control Module (LCM) 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 Telematics Control Module 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 Rear Air Suspension Module (RASM) Does Not Respond To The Diagnostic Tool
- Pinpoint Test L: The Hybrid Electronic Cluster (HEC) Does Not Respond To The Diagnostic Tool
- Pinpoint Test M: The Overhead Console Does Not Respond To The Diagnostic Tool (SCP)
- Pinpoint Test N: The Overhead Console Does Not Respond To The Diagnostic Tool (ISO)
- Pinpoint Test O: The Parking Aid Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test P: The Luggage Compartment Lid Module Does Not Respond To The Diagnostic Tool
- Pinpoint Test Q: No International Standards Organization (ISO) 9141 Network Communication
- Pinpoint Test R: No Standard Corporate Protocol (SCP) Network Communication
- Pinpoint Test S: No UART Based Protocol (UBP) Network Communication
- Pinpoint Test T: 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.