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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1116 (Warning System) >> Diagnostic Tests >> Warning Devices >> Pinpoint Tests >> Pinpoint Test E: The Safety Belt/Belt-Minder® Warning Chime Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

The instrument cluster receives the safety belt and Belt-Minder® requests from the restraints control module (RCM) over the high speed controller area network (HS-CAN). The safety belt warning chime sounds for approximately 6 seconds when the driver or passenger safety belt is not fastened and the ignition lock cylinder is turned from the OFF/LOCK or ACC to the ON or START position.

The Belt-Minder® feature supplements the safety belt warning function and is enabled after the safety belt warning is complete. The Belt-Minder® simultaneously sounds the chime and illuminates the safety belt warning lamp in the instrument cluster once the vehicle speed has exceeded 5 km/h (3 mph), and remains active for 5 minutes from the time it is started.

There are two Belt-Minder® strategies that are used and implemented by the instrument cluster as commanded by the RCM. The two strategies are designed to provide an increased level intensity of the chime. Belt-Minder® A provides 6 one-second sequences of 0.5-second on/0.5-second off for the first minute of the Belt-Minder® warning cycle. Belt-Minder® B provides 6 one-second sequences of 0.2-second on/0.2-second off then 0.3-second on/0.3-second off for the remainder of the Belt-Minder® warning cycle.

Possible Causes

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