Front electronic module (FEM): Front Electronic Module

The front electronic module controls the interior lighting and exterior lighting. In the event of an accident with the corresponding severity, the interior lighting and hazard warning lights switch on automatically. The Front Electronic Module provides input signals for terminal voltages (such as Terminal 15 wake-up wire ON). The Front Electronic Module supplies the Crash Safety Module (ACSM) with voltage from terminal 30B ON.

The Front Electronic Module represents a new generation superseding existing control units and their functions. For example, the front electronic module safeguards functions from the following former control units:

• FRM: Footwell module
• CAS: Car Access System
• JBE: Junction Box Electronics
• ZGM: Central gateway module

  The central gateway module (ZGM) is integrated in the Front Electronic Module (FEM). The central gateway module is seen as a control unit within the control unit, as the central gateway module (ZGM) acts as a self-sufficient control unit within the Front Electronic Module (FEM).