System Overview: Signals

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The table below summarizes the input signals to and output signals from the traffic message channel module (TMC). The signal types are divided into directly connected signals and MOST communication. The illustration below (Fig 1) displays the same information with the Volvo component designations.

Input signals	Output signals
Directly connected:	Directly connected:
Antenna amplifier (16/16)	The AM/FM tuner module (AFM) (16/94) (applies to vehicles with structure week up to and including 200445) The Integrated Audio Module (IAM) (16/1) (applies to vehicles with structure week from and including 200446)
Via MOST communication:	Via MOST communication:
Infotainment control module (ICM) (16/1) Multimedia module (MMM) (16/108).	Infotainment control module (ICM) (16/1) Multimedia module (MMM) (16/108).

Fig 1: Identifying Signals

Courtesy of VOLVO CARS CORPORATION