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 MANUALSFORD1999WINDSTAR BASE, VAN CARGO, 3.8 4REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESMODULE COMMUNICATIONS NETWORK SYSTEMSYSTEM TESTSTEST F: RESTRAINT CONTROL MODULE DOES NOT RESPOND TO NGS TESTER
1999 Ford Windstar Base, Van Cargo, 3.8 4
Test F: Restraint Control Module Does Not Respond To NGS Tester
1999 Ford Windstar Base, Van Cargo, 3.8 4SECTION Test F: Restraint Control Module Does Not Respond To NGS Tester
NOTE:
If repairs to a module communication network circuit is required, see REPAIRING BUS WIRING
. If module replacement is necessary, see PROGRAMMING
and REMOVAL & INSTALLATION
.
- Turn ignition switch to OFF position. Deactivate air bag system. See appropriate AIR BAG RESTRAINT SYSTEMS article. Disconnect Restraint Control Module (RCM) 26-pin harness connector. Inspect connector for damage. If connector is okay, go to next step. If connector is not okay, repair as necessary.
- Turn ignition switch to OFF position. Measure resistance between RCM harness connector C231 terminal No. 5 (Light Blue/White wire) and Data Link Connector (DLC) terminal No. 7 (Light Blue/White wire). If resistance is less than 5 ohms, replace RCM. If resistance is 5 ohms or more, repair open in Light Blue/White wire between RCM and DLC.
RENDER: 1.0x
NO RELATED
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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.