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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Control Unit Box
REMOVING AND INSTALLING/REPLACING ELECTRONICS BOX
IMPORTANT: Read and comply with notes on protection against electrostatic
damage (ESD
protection).
NOTE: Follow instructions for removing and installing CONTROL UNITS !
Necessary preliminary work
Read fault memory.
Disconnect BATTERY EARTH LEAD.
Procedure After Airbag Triggering As Result Of An Accident
Check and/or replace following components after airbag triggering:
Satellites (control unit + sensor)
Components
Satellite, A-/B-pillar, left/right
Satellite, front door
Satellite, rear seat
Satellite, driver's/front passenger seat
Satellite, vehicle center
Procedure
Inspect visually for me
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