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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Information Center - Instrumentation, Message Center, And Warning Chimes >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Principles of Operation >> Warning Chimes >> Air Bag Secondary Warning Chime

Air Bag Secondary Warning Chime

The air bag secondary warning chime warns that the air bag warning indicator light does not work correctly and that a Supplemental Restraint System (SRS) fault condition exists. The IPC monitors the air bag warning indicator status internally. When a fault is present in the air bag warning indicator and the IPC receives an air bag warning indicator on request from the Restraints Control Module (RCM), the air bag secondary warning chime sounds.

The air bag secondary warning chime sounds for 1 second on then 1 second off for 5 seconds (5 1-second chime tones) then pauses for 5 seconds and repeats the chime on/off sequence for 5 minutes. The IPC then turns off the air bag chime for approximately 30 minutes and repeats the cycle if the condition still exists.

The air bag secondary warning chime inputs are:

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