BMW 7 Series (F01/F02) 2008-2015 Service Manual / General Vehicle Electronics / Comfort Access
BMW 7 Series: Comfort Access
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Introduction
Keyless Vehicle Access
Using Comfort Access, the customer can unlock and open the vehicle without
active use of the ID transmitter.
Access to the vehicle can be gained from any point. It is importan
System Overview
Input/Output - Comfort Access
Fig. 1: Comfort Access Input/Output Diagram
COMPONENTS DESCRIPTION CHART
CAS 4 Car Access System 4
Footwell module (FRM)
Junction box electronics (JB)
Emergency sta
Functions
Function Overview
Comfort Access is divided into the following functions:
Passive Entry
Passive Go
Passive Exit.
ID transmitters are required for Comfort Access to function.
An ID transmitter co
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Controls
Parking Brake Button
The parking brake button supplies the EMF control unit with the button
operation signal. The signal is
duplicated on the parking brake button and transmitted to the EMF control unit
via double direct wired
connections. It not only enables the EMF control unit to distinguish be
Speed Limit Assist
Concept
When the systems in the vehicle, e.g., Speed
Limit Info, detect a change of the speed limit
along the route, this new speed value can be applied
for the following systems:
Speed Limiter.
Cruise control.
Active Cruise Control with Stop & Go function
ACC.
The speed value is suggested
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