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.
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HOMESERVICE MANUALSFORD2007FOCUS SES, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESMODULE COMMUNICATIONS NETWORK
2007 Ford Focus SES, 4D Sedan, Standard
Module Communications Network
2007 Ford Focus SES, 4D Sedan, StandardSECTION Module Communications Network
- Description And Operation
- Diagnostic Tests
- Communications Network
- Notes
- Principles of Operation
- Inspection and Verification
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: The PCM Does Not Respond To The Scan Tool or No High Speed Controller Area Network (HS-CAN) Communication
- Pinpoint Test B: The Generic Electronic Module (GEM) Does Not Respond To The Scan Tool
- Pinpoint Test C: The Restraints Control Module (RCM) Does Not Respond To The Scan Tool
- Pinpoint Test D: The ABS Module Does Not Respond To The Scan Tool
- Pinpoint Test E: The Instrument Cluster (IC) Does Not Respond To The Scan Tool
- Pinpoint Test F: No International Standards Organization (ISO) 9141 Communications Network Communication
- Pinpoint Test G: No Power To The Scan Tool
- Communications Network
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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.