BMW 5 Series: Central locking system
System wiring diagram
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Central locking system
- Hotel position switch
- Fuse for front right power distribution box
- Body Domain Controller (BDC)
- Door lock, front passenger door
- Central locking button, front passenger door
(depending on the national-market version)
- Power window electronics, passenger's side front
- Door lock, passenger's side, rear
- Actuator for fuel filler flap
- Trunk contact switch in the trunk lock
- Automatic Soft Close drive
- Fuse in the rear power distribution box
- Button for closing trunk
- Fuse in the rear power distribution box
- Remote control receiver (FBD)
- Door lock, driver's side, rear
- Power window electronics, driver's side front
- Door lock, driver's door
- Central locking button, driver's door
- Switch block, driver's door
- Button for opening trunk
Function
The function of the central locking system of the G30 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 of the trunk and the
hotel 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 trunk.
- Activation of fuel filler flap unlocking is also performed by the BDC.
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Body Domain Controller (BDC)
Body Domain Controller (BDC)
BDC functions
The Body Domain Controller BDC is responsible for the following functions:
Gateway
Electronic immobilizer
Terminal control
Central locking system
Exterior lights
Power windows
Horn
Interior light
Wash/wipe system
Veh
Parking
While driving forward, the system applies minor
steering corrections as needed.
1. Approach the parking space driving forward,
centered and in a straight line. Stop at a distance
of maximum 6.5 ft/2 m.
2. Apply parking brake and switch drive-ready
state off using the Start/Stop button.
3.