System Overview: Signals

WARNING: This page is about a different car, the 2010 Volvo V70, 2009 Volvo V70, and 2008 Volvo V70. 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).