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Disable air bag system before servicing any air bag system or steering column component.Allow system capacitor to discharge for 2 minutes before removing air bag components. Disconnect and isolate negative battery cable before servicing vehicle.Observe the following precautions when working with or near air bag systems: WARNING: To avoid injury from accidental air bag deployment, read and carefully follow all appropriate SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM procedures. Perform air bag system self-diagnostics, and repair air bag system. If AIR BAG indicator fails to come on, comes on and stays on, or comes on while driving, a system malfunction exists.It should come on for 6-8 seconds and then go out, indicating system is functioning properly.

From a position outside vehicle and away from air bag modules (in case of air bag deployment), turn ignition switch to OFF position for about 10 seconds, and then back to ON position.

Ignition switch should still be in ON position.

If a problem still exists DTC data will not clear. Using DRB, read and record active and any stored Diagnostic Trouble Codes (DTCs).

After ensuring there is no one inside vehicle, connect negative battery cable or negative battery cable remote terminal.

Ensure latest version of correct DRB cartridge is being used. Turn ignition switch to ON position and exit vehicle. Connect Diagnostic Read-Out Box III (DRB-III) scan tool to 16-pin Data Link Connector (DLC) located left of steering column at lower edge of instrument panel.

Ensure negative battery cable or negative battery cable remote terminal is disconnected and isolated.

Unless specific models are mentioned, the following procedures apply to all models with an air bag system. CHRYSLER CORP.Īll Chrysler vehicles are equipped with driver-side and passenger-side air bags. If air bag system is not functional, park vehicle until system is repaired and functions properly. DO NOT remove bulbs, modules, sensors or other components, or in any way disable system from operating normally. If air bag system is not fully functional for any reason, DO NOT drive vehicle until system is repaired and functions properly.

Failure to disable system properly may result in accidental air bag deployment and possible personal injury. See appropriate DISABLING & ACTIVATING AIR BAG SYSTEM procedure. Always disable air bag system before servicing vehicle. NEVER probe air bag system electrical wires with an analog volt-ohmmeter or test light. Electrical sources should NEVER be allowed near inflator on back of air bag module. Observe specific manufacturer SERVICE PRECAUTIONS when working on vehicle with an air bag system.

In some instances, it may be necessary to remove the steering column or instrument panel to access blower motor housing, heater assembly, evaporator assembly and other related A/C-heater system components. 2003 Ford F-150 Service and Repair manual