Key - In - Ignition Warning

The chime producer activates the key - in - ignition audible warning as requested by the body control module (BCM). The BCM sends a serial data message to the chime producer indicating the chime frequency of a medium rate and continuous duration. The key - in - ignition warning sounds when the following occurs:

• The ignition switch is OFF.
• The BCM determines that the driver door is open and the signal circuit is low. The IPC also receives a serial data message from the BCM indicating the door ajar status
• The BCM determines that the key - in - ignition switch is open and the signal circuit is high. The IPC receives a serial data message from the BCM indicating the key - in - ignition status.