BMW G12 2015, Technical Training Manual

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G12�General�Vehicle�Electronics
4.�Locking�and�Security�Functions
30
Index Explanation
1 Valet�position�switch
2 Fuse�in�the�power�distribution�box,�front�right
3 Body�Domain�Controller�(BDC)
4 Door�lock,�front�passenger�door
5 Central�locking�button,�front�passenger�door
6 Power�window�electronics,�passenger's�side�front
7 Door�lock,�passenger's�side,�rear
8 Servodrive�for�fuel�filler�flap
9 Tailgate�contact�switch�in�the�tailgate�lock
10 Automatic�Soft�Close�drive
11 Fuse�in�the�rear�power�distribution�box
12 Number�plate�light�strip�with�button�for�tailgate
13 Button�for�closing�tailgate
14 Fuse�in�the�rear�power�distribution�box
15 Remote�control�receiver�(FBD)
16 Door�lock,�driver's�side,�rear
17 Power�window�electronics,�driver's�side�front
18 Door�lock,�driver's�door
19 Central�locking�button,�driver's�door
20 Switch�block,�driver's�door
21 Button�for�opening�tailgate
4.2.2.�Function
The�function�of�the�central�locking�system�of�the�G12�is�based�on�that�of�current�BMW�models.
All�functions�relevant�for�the�central�locking�system�are�controlled�by�the�Body�Domain�Controller.
The�function�is�as�follows:
• The�radio�signal�from�the�ID�transmitter�is�received�by�the�remote�control�receiver.
• The�signal�causes�the�BDC�to�activate�the�central�locking�system�and�the�interior�lighting.
• The�BDC�evaluates�the�status�of�all�door�contacts,�the�tailgate�and�valet�position�switch.
• The�status�of�the�central�locking�system�button�is�also�evaluated�by�the�BDC.
The�BDC�activates�the�central�locking�system,�depending�on�the�status.
• The�BDC�is�responsible�for�activation�of�the�central�locking�system�and�the�drive�for
automatic�soft-close�in�the�tailgate.
• Activation�of�fuel�filler�flap�unlocking�is�also�performed�by�the�BDC.