System Overview: Signals

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2013 Volvo C70, 2012 Volvo C70, 2011 Volvo C70, 2010 Volvo C70, and 2009 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

The table below summarizes the input signals and output signals to and from the Central electronic module (CEM).

Input signals	Output signals
Via serial communication (LIN):	Via serial communication (LIN):
Remote Receiver Module (RRX) for communication with remote keys and the Alcohol Analyzing Start Inhibitor handset unit (only vehicles without the keyless entry system).	Remote Receiver Module (RRX) for communication with remote keys and the Alcohol Analyzing Start Inhibitor handset unit (only vehicles without the keyless entry system).