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E90 General Vehicle Electrical
Components of Comfort Access System
The following graphic shows all components of the Comfort Access System with the
respective control modules and control components.
Comfort Access Control Module
In addition to providing Central Locking
functions, the option SA 322 Comfort
Access is installed to facilitate Passive
Entry, Passive Go and Passive Exit func-
tions.
The Comfort Access control module is
located at the right rear of the luggage
compartment.
The Comfort Access Module controls/acti-
vates the antennas located on the exterior
and interior of the vehicle, plus reads/trans-
fers the data received from the Electronic
Outer Door Handle Module to the CAS2.
Index Explanation
1
N/A
2
Comfort Access Module (CA)
3
Park Distance Control Module (PDC)
4
N/A
Index Explanation Index Explanation
1
Car Access System (CAS 2)
6
Comfort Access (CA)
2
Footwell Module (FRM)
7
Electric Steering Lock (ELV)
3
Dynamic Stability Control (DSC)
8
Electric Outer Door Handle Module (TAGE)
4
Digital Motor Electronics (DME/ECM)
9
Remote Control Receiver
5
Junction Box Electronics Control Module (JBE)
10
Antennas
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