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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Integrated Sensor System
The sensors that were previously accommodated separately in the DSC sensor
are now installed in the ICM
control unit.
The ICM control unit uses these sensors to calculate variables that provide key
information on the vehicle's
dynamic state:
Longitudinal acceleration and pitch of the vehicle in
Removing And Installing/Replacing Heating And Air-Conditioning Unit
Notes
WARNING: Danger of injury! Refrigerant circuit is under high
pressure! Avoid contact with refrigerant and refrigerant fluid.
Read and comply with safety information:
Follow safety information for handling R 134a tetrafluorethane
refrigerant.
HANDLING REFRIGERANT FLUID
IMPORTANT: Risk of
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