LeSabre V6-3.8L VIN K (1996)
Audible Warning Device: Component Tests and General Diagnostics
Circuit Operation - Chime
The audio alarm system brings to the driver's attention one or more of several conditions:
1. Lamps are on, ignition switch is set to LOCK, OFF or ACCY, and driver's door is open.
2. Key is in ignition switch, ignition switch is set to LOCK, OFF or ACCY, and driver's door is open.
3. Seat belt is unbuckled and ignition switch is in RUN, BULB TEST or START
4. A turn signal is left on and vehicle has traveled over 1.2 km (3/4 mile).
5. Park brake is engaged and vehicle has traveled approximately 12 m (40 feet).
Module Power
Voltage is applied at all times on CKTS 540 and 640 to Body Control Module (MALL) connector C1 terminal H and G respectively, to power the
module, With the ignition switch in RUN, BULB TEST or START, voltage is applied on CKT 39 to module connector C2 terminal C13.
Lamps On Chime
If the LH front door is open and the Body Control Module (MALL) does not sense voltage at the lamps off input (terminal D5) and there is no
voltage at the ignition on input (terminal C13), the fast-pulsed lamps on chime sounds.
Key In Ignition Chime
The key in ignition chime sounds with the key in ignition switch and the driver's door open. When the ignition key warning switch and the LH
front door lock switch are closed, the Body Control Module (MALL) senses ground at the key in ignition and sounds the medium-pulsed chime.
Fasten Belts Chime
With ignition switch in RUN, BULB TEST, or START, voltage is applied through IGN/CHIME/CLUSTER Fuse to module connector C2
terminal C13 to the Body Control Module (MALL). With the driver's seat belt unbuckled, module connector C2 terminal D1 is grounded through
the seat belt switch, and the FASTEN BELTS indicator lights for 4 to 8 seconds.
The fasten belts chime sounds for 4 to 8 seconds if driver's seat belt is unbuckled and ignition switch is turned to RUN, BULB TEST or START.
If driver's seat belt is buckled when the ignition switch is turned to RUN, BULB TEST or START, no chime sounds.
Turn Signal On Chime
When a turn signal is operated, the Body Control Module (MALL) begins to monitor vehicle distance. If the turn signal is still flashing after the
vehicle has traveled 1.2 km (3/4 mile), the turn signal on chime sounds.
Park Brake Chime
Refer to Brake Warning Systems for park brake chime operation.
