Audible Warning Device: Description and Operation

The Generic Electronic Module (GEM) will sound the following warnings:
1. Key in ignition warning.
2. Safety belt warning.
3. Headlamp switch ON warning.
4. Door ajar warning.

Key-in-Ignition Warning
The Generic Electronic Module (GEM) sounds when the driver door is opened with the key in the ignition switch and it continues to sound until the key is removed or the door is closed.
1. When the key is in the ignition switch, the ignition key warning switch terminal and wire is closed and ground is supplied through Circuit 57 (BK) to the Generic Electronic Module (GEM).
2. When the driver door is open, the driver's door open warning lamp switch closes and ground is supplied through Circuit 57 (BK) to the Generic Electronic Module (GEM).

Safety Belt Warning
When the key is turned to RUN or START from OFF or ACC and remains in RUN or START, the chime will sound for six seconds or until the safety belt is buckled.

The safety belt warning indicator lamp will turn on for 60 seconds, or until the driver's safety belt is fastened. Both the chime and lamp activate at the same time.

If the safety belt is buckled when the key is turned to RUN or START from OFF or ACC, the lamp will prove out for two seconds but chime will not be activated.

Any time the key is changed to RUN from START while the safety belt warning indicator is activated, the safety belt warning indicator will remain activated until either the timing sequence has been executed, or the safety belt is buckled.

Headlamp Switch On Warning
The Generic Electronic Module (GEM) sounds when the driver door is opened while the headlamp switch is in parking or headlamp position, and continues to sound at a rate of 4 chimes per second until the headlamp switch is turned off or the door is closed.
1. When the headlamp switch is in parking or headlamp position, power is supplied through Circuit 293 (O) to the Generic Electronic Module (GEM).
2. When the driver door is open, the driver door open warning lamp switch is closed and ground is supplied to the Generic Electronic Module (GEM).
On vehicles equipped with autolamps, a delayed headlamps on repetitive chime will sound for a period of three seconds beginning twenty seconds after the key is turned to OFF, LOCK, or ACC, the headlamp switch is in the parking or headlamp position, and the driver's door is closed and delayed headlamps on is terminated by opening and closing the driver's door again.

Door/Liftgate Ajar Warning
The Generic Electronic Module (GEM) sounds a warning tone for one second when any vehicle door, liftgate window, or the liftgate is ajar without any other door already open and the ignition switch is in the RUN position. Power is then supplied through Circuit 627 (BK/O) to the door ajar warning indicator lamp which remains illuminated until all doors are closed or the ignition switch is no longer in RUN.