Operation CHARM: Car repair manuals for everyone.

Audible Warning Device: Description and Operation


Seat Belt Warning

When the Ignition Switch is turned to RUN or START, power is supplied through circuit 640 (R/Y) to the Warning Chime Module, which then supplies power through circuit 450 (DG/LG) to illuminate the Fasten Belts Indicator for six seconds, whether or not the driver's seat belt is fastened. If the driver's seat belt is NOT fastened during this time, the seat belt buckle remains closed, and ground is supplied from the Seat Belt Switch through circuit 85 (BR/LB) to the Warning Chime Module, causing it to sound for six seconds.

Key-IN-Ignition Warning

The warning chime sounds when the driver's door is open and the key is in the Ignition Switch, and continues to sound until the key is removed or the door is closed.

When the key is in the ignition, the Key Warning Switch is closed and ground is supplied to Warning Chime Module through circuit 158 (BK/PK). When the driver's door is open, the Driver's Courtesy Lamp Switch is closed and power is supplied through circuit 159 (R/PK) to the Module.

Headlamps-ON Warning

The warning chime sounds when the Main Light Switch is in PARK or HEAD and the driver's door is open. It continues to sound until the switch is moved to OFF or the door is closed. When the Main Light Switch in PARK or HEAD, power is supplied through circuits 257 (W/R) to the Warning Chime Module. When the driver's door is open, power is supplied to the Module through circuit 159 (R/PK).

Trip Minder Beep Tone

Whenever a button on the Trip Minder is pressed, the trip Minder momentarily grounds circuit 183 (T/Y) to the Warning Chime Module, causing it to emit a momentary beep tone.