Functions Of Roof Function Center - BMW E90 Manual

Functions of Roof Function Center

The Roof Function Center (FZD) serves as:
• Controller of Sunroof Functions
• Gateway for Rain Light Sensor (Data transmitted from RLS to FZD via LIN Bus
then transmitted via K-CAN from FZD to other modules)
• Evaluator of data from Condensation sensor and calculates relative humidity
(data is transmitted via K-CAN to IHKA)
• Evaluator of data from Interior Electrochromatic Rear View Mirror (data from mirror is
converted and transmitted to FRM via K-CAN, FRM dips the outside mirrors)
• Supplies power to Universal Garage Door opener
• Activation/Controller of Vanity Mirror lighting, Map/Reading and Interior Light
• Integration point for Passenger Airbag light, Microphone, and Emergency call button
Index
1
Connection to Main Wiring Harness (20-pin)
2
Connection to Interior Rear View Mirror (20-pin)
Slide/tilt
Sunroof
Airbag
Indicator
Lamp
LIN-Bus
K-CAN
Explanation
Interior
Lighting
Emergency
Call Button
Micro-
FZD
tion Sensor
Electro-
chromatic
Interior Rear
View Mirror
Index
3
Connection to Main Wiring Harness (4-pin)
4
Connection to Rear Interior Lighting (20-pin)
phone
Explanation
E90 General Vehicle Electrical
13