Theory Of Operation
WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
The radio is provided with a fused Battery and Ground circuit. When the Ignition is turned on, the BCM transmits a wake up signal over the CAN bus to the Radio. The Radio monitors the Speaker circuits for electrical faults.
For additional detailed description and operation of the Audio System, refer to DESCRIPTION AND OPERATION .