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 Sable LS PremiumFACTORY OEM SERVICE PROCEDURE
Section 197 (Module Communications Network System)
WARNING: This page is about a different car, the 2002 Mercury Grand Marquis and 2002 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
- Description & Operation
- Component Locations
- Repairing Bus Wiring
- Programming
- Self-Diagnostic System
- Diagnostic Trouble Code Definitions
- Parameter Identification Definitions
- System Tests
- Notes
- Test A: Anti-Lock Brake System Control Module Does Not Respond To Scan Tool
- Test B: Lighting Control Module Does Not Respond To Scan Tool
- Test C: Driver's Door Module Does Not Respond To Scan Tool
- Test D: Natural Gas Vehicle Module Does Not Respond To Scan Tool
- Test E: Electronic Automatic Temperature Control Module Does Not Respond To Scan Tool
- Test F: Restraint Control Module Does Not Respond To Scan Tool
- Test G: Powertrain Control Module Does Not Respond To Scan Tool
- Test H: Passive Anti-Theft System Module Does Not Respond To Scan Tool
- Test I: No Module/Network Communications - ISO 9141 Link
- Test J: No Module/Network Communications - SCP Network
- Test K: No Module/Network Communication
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
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.