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System Overview: Notes

Fig 1: Identifying General System Overview
GLL151974Courtesy of VOLVO CARS CORPORATION
NOTE:

This document describes the central locking system in cars with a keyless vehicle module (KVM). Some components are different from the standard central locking system. This document outlines the main functionality of the central locking system with keyless entry.

The central locking system contains a number of functions. The system is monitored by the central electronic module (CEM).

The central electronic module (CEM) communicates with the constituent units, whether directly connected or connected in series, via the CAN network.

The functions covered are: