Audible Warnings Description and Operation

Audible Warnings Description and Operation

The audible warning system is controlled by the seat belt alarm or the multifunction alarm module (MFAM). The seat belt alarm or the MFAM will produce an audible warning in order to alert the driver of a system concern or a critical vehicle condition.

Fasten Safety Belt Warning

The seat belt alarm incorporates the fasten safety belt indicator in the DIC. The indicator lamp is an electronically timed reminder. The fasten safety belt indicator will illuminate for approximately 8 seconds and the fasten safety belt audible warning will be activated, when the ignition switch transitions to ON.

Lights On Chime

The lights on audible warning activates when the headlamp switch is in the HEAD or PARK position and the ignition is OFF. The seat belt alarm activates the audible warning when the following occurs:

* The ignition is OFF.
* The headlamp or the park lamp switch input is active.

The audible warning activates until the headlamp switch is placed in the OFF position.

Additional Warnings

The MFAM produces an audible warning and illuminates one of the following indicators:

* CHECK GAGES
The check gages audible warning will activate when one of the following conditions exist:

- The engine coolant temperature is at or above 107°C (225°F). The audible warning will activate at a rate of two pulses per second.
- The engine coolant temperature is at or above 111°C (232°F). The audible warning will activate at a rate of five pulses per second.
- The engine oil pressure is at or below 34 kPa (5 psi). The audible warning will activate at a rate of five pulses per second.

* LOW AIR
The low air audible warning will activate when the air pressure in the air brake system is at or below 483 kPa (70 psi). The audible warning will activate at a continuous rate.
* LOW COOLANT
The low coolant audible warning will activate when the engine coolant level is low, and the engine coolant switch is closed. The audible warning will activate at a rate of five pulses per second.

For further information on the indicators and warning messages, refer to Indicator/Warning Message Description and Operation Indicator/Warning Message Description and Operation