Audible Warning Device Control Module: Description and Operation

PURPOSE
The Warning Chime Module controls operation of the warning device.

OPERATION
Activate Chime Input: A ground path is provided by the Warning Chime Module to light the indicator for 4 to 8 seconds when the Ignition Switch is initially placed in the RUN position. With the driver`s seat belt unbuckled, the Warning Chime Module will supply a ground path to light the indicator for 1-2 minutes. With a passive restraint belt unbuckled or a passive restraint system fault present, the Passive Restraint Module will supply a ground path to light indicator indefinitely and sound the Warning Chime Module.

Door Open Input: With the Ignition Switch in the RUN position, any door that is ajar will cause the Warning Chime Module to beep. During this time, the Instrument Cluster Door Ajar Indicator illuminates.

Belt Buckled Input:With Seat belt unbuckled and power applied to Warning Chime Module, a ground signal is applied to an electronic timer to sound warning buzzer for six seconds.

Key In Ignition Input: Sends a ground signal to Warning Chime Module to notify operator that keys are still in ignition.

Lamps On Input: With the Main Light Switch in PARK or HEAD, voltage is applied to the Lamps On input of the Warning Chime Module. The chime will sound when the driver's door is opened until the door is closed or the lamps are turned off.