The BCM controls horn output by energizing the non-serviceable horn
relay in the BCM-C and sounding the horn/dual horns (if equipped).
Other information:
Removal
De-energize the High Voltage battery.
Refer to: High Voltage System De-energizing (414-03A High Voltage Battery, Mounting and Cables, General Procedures).
Disconnect the 12 volt battery.
Refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures).
Release the tabs and battery junction box cover.
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Overview
Multiplexing
is a method of sending 2 or more signals simultaneously over a single
circuit. Multiplexing allows 2 or more electronic modules (nodes) to
communicate over a twisted wire pair [data (+) and data (-)] network.
The information or messages that can be communicated on these wires
consists of commands, status or data. Multiplexing reduces the weight of
the vehicle by reduci..