BMW E90 - Functions of Footwell Module

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E90 General Vehicle Electrical
Functions of Footwell Module
The Footwell Module (FRM) serves as:
• Gateway Module for communication between devices connected to
the LIN Bus and K-CAN (Outside Mirror & Drivers Switch Cluster).
• Evaluator of data from Door Contacts and Door Lock Cylinders
• Activator/controller of all Exterior Lights, Adaptive Headlights,
• Controller of Front Power Windows, Electric Load Shut-down
• Activation of Power Window Anti-Trap
• Stores the Vehicle Order information
Adaptive
Headlight
Control
Outside
Mirror
Exterior
Lighting
FRM
Gateway
LIN-Bus
K-CAN
Interior
Lighting
Electric
Load
Shutdown
Central
Locking
System
Power
Windows
Door
Contact
Index Explanation Index Explanation
1
Connection to Main Wiring Harness (51-pin)
3
Connection to Instrument Cluster (46-pin)
2
Connection to Main Wiring Harness (51-pin)
4