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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Information Center - Instrument Cluster (Ic), Message Center, & Warning Chimes) >> Diagnostic Tests >> Instrument Cluster (IC), Message Center and Warning Chimes >> Principles of Operation >> Warning Chimes >> Air Bag Warning Chime

Air Bag Warning Chime

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

The air bag warning chime warns the driver that a fault has occurred in the supplemental restraints system (SRS) and that the air bag warning indicator lamp is not working by sounding a chime when the ignition switch is in the RUN position for more than 20 seconds. When these conditions exist, the restraints control module (RCM) sends a chime request through the communication network to the instrument cluster (IC). The instrument cluster (IC) then activates the warning chime. The warning consists of 5 sets of five 1-second tone bursts. Each set is separated by 5 seconds of silence. The warning is repeated every 30 minutes.

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