System Overview: Signals

The table below summarizes the input signals to and output signals from the AM/FM tuner module (AFM). The signal types are divided into directly connected signals and MOST communication. The illustration below displays the same information with the Volvo component designations.

Input signals	Output signals
Directly connected:	Directly connected:
Antenna amplifier (16/16) Traffic message channel module (TMC) (16/49) (option).	Antenna amplifier (16/16) Traffic message channel module (TMC) (16/49) (option).
Via MOST communication:	Via MOST communication:
Infotainment control module (ICM) (16/1) Audio module (AUD) (16/105).	Infotainment control module (ICM) (16/1) Audio module (AUD) (16/105).

Fig 1: Identifying AM/FM Tuner Module (AFM) Communications Diagram

Courtesy of VOLVO CARS OF NORTH AMERICA.