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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System Overview
Components in the Vehicle
Fig. 137: Identifying DCC, ACC Stop & Go Components, F01/F02 (View From
Front)
DCC/ACC STOP AND GO SYSTEM COMPONENTS REFERENCE CHART
Electronic transmission control module
Engine control system
Short-range radar sensor (SRR), right
Long-range radar sensor (LRR)
Electronic Ride-Height Control
Function of Air Springs
The various control modes on the F01/F02 are similar to those on other model
series such as the E70:
Fig. 131: EHC Control Mode Flowchart, F01/F02
Control Modes with Single-axle Air Suspension
Ongoing control operations are not affected by transitions from one mode to
anot
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