System Overview

System overview

control module




Remote Digital Audio Receiver (RDAR) has the task of receiving both digital satellite and terrestrial radio signals, process them and transmit them onward on the MOST network.
Remote Digital Audio Receiver (RDAR) is located behind the rear seat.
The control module has serial optical communication with other components in the MOST network. This means that all communication with Remote Digital Audio Receiver (RDAR) occurs via the Infotainment control module (ICM) or on the initiative of the Infotainment control module (ICM).
The control module checks the input and output signals through an integrated diagnostic system.
The control module communicates with directly connected components, and via MOST communication.
Any diagnostic trouble codes are stored in the control module memory. The information can be read out via the data link connector in the vehicle.
For further information, also see Signal specifications.

Signals
The table below summarizes the input signals to and output signals from the Remote Digital Audio Receiver (RDAR). The signal types are divided into directly connected signals and MOST communication. The illustration below displays the same information with the Volvo component designations.