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 Ford Focus SVTFACTORY OEM SERVICE PROCEDURE
Test E: Restraint Control Module Does Not Respond To Scan Tool
NOTE:
Restraint Control Module (RCM) may also be referred to as Electronic Crash Sensor (ECS) or Air Bag Diagnostic Monitor (ADM).
- Turn ignition switch to LOCK position. Disconnect RCM harness connector C424. Inspect connector for loose, damaged or corroded terminals. Repair as necessary. If connector is okay, measure resistance between RCM harness connector C424 terminal No. 15 (White/Red wire) and DLC terminal No. 7 (White/Black wire). See Figure and Fig 1 . If resistance is less than 5 ohms, replace RCM and test system operation. If resistance is 5 ohms or more, repair open between C424 and DLC connector. Test system operation.
Factory Service Tools
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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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