Microphone Circuit [12/2019 - 10/2022]: Description
- The radio receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines.
- Using this circuit, the DCM (telematics transceiver) sends power to the telephone microphone assembly, and the telephone microphone assembly sends microphone signals to the radio receiver assembly and navigation ECU via the DCM (telematics transceiver).