WARNING: This page is about a different car, the 2000 Mercury Mountaineer and 2000 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition off. Deactivate air bag system. See appropriate AIR BAG RESTRAINT SYSTEMS article. Disconnect Restraint Control Module (RCM) 26-pin connector C232. See Figure. Inspect RCM connector for physical damage, bent terminals or corrosion. Repair connector as necessary and retest system for normal operation. If connector is okay, go to next step.
Measure resistance of Light Blue/White wire between RCM connector C232 terminal No. 5 and DLC terminal No. 7. See Figure and Fig 1 . If resistance is less than 5 ohms, replace RCM and retest system for normal operation. If resistance is 5 ohms or more, repair open in Light Blue/White wire between RCM connector C232 and DLC. Retest system for normal operation.

Fig 1: Identifying Restraint Control Module (RCM) Connector C232 Terminals

Courtesy of FORD MOTOR CO.

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.

Safety Warning

Test C: Restraint Control Module (RCM) Does Not Respond To NGS Tester

Use the Manual With the Right Hardware

When to See a Mechanic

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