Corsica V6-3100 3.1L VIN M SFI (1996)
Audible Warning Device: Component Tests and General Diagnostics
General Information
The Audible Warnings System is controlled by the Multi-function Alarm Module and sounds a chime to bring attention to several conditions. These
conditions are:
^
Key is in the Ignition Cylinder (with door open)
^
Seat Belt is not fastened
^
Headlights are on (with door open)
^
Turn signal is on (vehicle travels over 3/4 mile).
The Multi-function Alarm Module also controls a battery run down protection feature.
Key-In Ignition Chime
Voltage is applied at all times to Conn C2 term "D" of the Multi-Function Alarm Module through Fuse 11. When the key is in the Ignition and LH front
door is open, Conn C1 term "H" and term "E" of the Multi-function Alarm Module are grounded. This sounds the chime.
Fasten Belts Chime
With the Ignition Switch in "RUN," "BULB TEST" or "START," voltage is applied through Fuse 9 to Conn C1 term "M" of the Multi-function Alarm
Module. With the LH front seat belt unbuckled, Conn C1 term "K" of the Multi-function Alarm Module is grounded through the Seat Belt Switch. The
fasten belts chime sounds for 4 to 8 seconds.
Fasten Belts Indicator
The Fasten Belts Indicator is also controlled by the Multi-function Alarm Module. The indicator will light:
^
For 20 seconds and then flashes for an additional 55 seconds, after the Ignition is turned on if the doors are closed and the left hand front seat belt
is unbuckled.
^
Any time the Seat Belt Retractors are energized by a door opening and the Ignition Switch is in "RUN," "BULB TEST," or "START"
^
If there is an open circuit detected in the Seat Belt Retractor Solenoids circuit.
Lights-on Chime
The Multi-function Alarm Module sounds the Lights-on chime when the following three conditions are met:
^
Battery voltage at Conn C1 terminal "D" indicates that the Park or Headlights are on.
^
0 volts at Conn C1 terminal "M" indicates that the Ignition Switch is in "OFF," "ACCY," or "LOCK."
^
Ground at Conn C1 terminal "H" indicates that the LH door is open.
Battery Run Down Protection
The Battery Run Down Protection Feature is made up of three independent features: The Parasitic Power Control, the Inadvertent Power Control, and the
Courtesy Lights Control.
Parasitic Power Control
The Parasitic Power Control output of the Multi-function Alarm Module supplies voltage to the Radio. The output timer will shut off power to the
Radio where one of these two conditions occurs:
^
Vehicle travels for less than 15 miles since battery power is applied to the Multi-function Alarm Module and is parked for 3 days following
the last ignition cycle.
^
Vehicle travels for more than 15 miles since battery power is applied to the Multi-function alarm module and is parked for 24 days following
the last ignition cycle.
Inadvertent Power Control
The Inadvertent Power Control output of the Multi-function Alarm Module supplies voltage to these lights: Courtesy, Dome, Reading, and
Luggage Compartment. For more information, refer to Illuminated Entry. See: Lighting and Horns
Courtesy Lights Control
The Courtesy Lights Control output of the Multi-function Alarm Module supplies ground to the Courtesy and Dome lamps. For more information,
refer to Illuminated Entry. See: Lighting and Horns
Power Output Diagnostic Mode
There is a Power Output Diagnostic Module in the Multi-function Alarm Module that can be used to run a quick check on the operation of the
Parasitic Power Control, the Courtesy Lights Control and the Inadvertent Power Control outputs. It is activated after all of the following actions
have been performed:
^
Close all doors
^
Set Park Brake
^
Turn Interior Lights on using Panel Dimmer Switch
^
Turn Ignition Switch to "RUN" and, before 15 seconds pass, perform these steps.
