BMW i3 Technical Training Manual page 92

I01￿General￿Vehicle￿Electronics
9.￿Steering￿Column￿Switch￿Cluster
Index
1
2
3
4
5
6
7
8
9
10
11
12
13
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For￿the￿optional￿equipment￿traffic￿jam￿assistant￿a￿capacitive￿sensor￿with￿relevant￿electronics￿HOD
(hands￿of￿device)￿detects￿whether￿the￿steering￿wheel￿is￿touched.
All￿signals￿of￿the￿buttons￿and￿switches￿of￿the￿multifunction￿steering￿wheel￿(MFL)￿and￿the￿steering
column￿switch￿cluster￿(SZL)￿are￿transmitted￿via￿Local￿Interconnect￿Network￿to￿the￿Body￿Domain
Controller.￿There￿are￿2￿LIN￿lines￿from￿the￿steering￿column￿switch￿cluster￿(SZL)￿to￿the￿Body￿Domain
Controller:
• LIN￿from￿SZL￿to￿BDC￿and
• LIN￿from￿MFL￿through￿SZL￿looped￿through￿to￿BDC.
86
Explanation
Body￿Domain￿Controller
Fuse￿in￿the￿power￿distribution￿box￿in￿the￿passenger￿compartment
Drop￿arm,￿right
Crash￿Safety￿Module￿(ACSM)
Drop￿arm,￿left
Steering￿column￿switch￿cluster
Clock￿spring
Touch￿detection￿HOD￿(hands￿of￿device)
Switch￿block,￿radio/telephone
Driver's￿airbag
Horn￿button
Switch￿block￿for￿cruise￿control
Instrument￿cluster
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