BMW 5 Series: Control units on the K-CAN2
Roof function center (FZD)
Roof function center (FZD)
Depending on the vehicle equipment the roof function center FZD includes the corresponding components for:
- Alarm system
- Control, slide/tilt sunroof
- Gesture recognition camera
- Emergency call button
On vehicles with gesture control, the gesture recognition camera is installed in the FZD. The gesture recognition camera is not shown as a control unit by the BMW diagnosis system. Diagnosis takes place via the FZD. The gesture recognition camera is connected to the PT-CAN4. As a result, the bus signals do not have to be forwarded to another CAN bus by the Body Domain Controller.
The FZD is not responsible for the control of the interior light. The interior light unit and the FZD electronics are located in the same housing.
Trunk function module (HKFM)
Trunk function module (HKFM)
The control unit for the power trunk function module (HKFM) is responsible for control of the lift.
Seat modules
Seat module
The following seat modules are present corresponding to the vehicle equipment:
- Driver's seat module (SMFA)
- Front passenger seat module (SMBF)
The seat modules are responsible for actuation of the servomotors in the corresponding seat.
Depending on the equipment, there may be 2 identical seat modules installed in the vehicle. Encoding of the control units takes place by connection to the wiring harness. The control unit is assigned correspondingly in the vehicle depending on the additional ground encoding.
Seat pneumatics modules
Seat pneumatics module back right SPNMHR
The following seat pneumatics modules are present corresponding to the vehicle equipment:
- Seat pneumatics module front left (SPNMVL)
- Seat pneumatics module front right (SPNMVR)
The seat pneumatics modules are responsible for the massage function in the corresponding front seat. Depending on the equipment, there may be 2 identical seat pneumatics modules installed in the vehicle. Encoding of the control units takes place by connection to the wiring harness. The control unit is assigned correspondingly in the vehicle depending on the additional ground encoding.
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Control units on the K-CAN3
Frontal Light Electronics
Frontal Light Electronics Right and Left
The control units Frontal Light Electronics Right (FLER) and Frontal Light
Electronics Left (FLEL) are
installed in the correspondi
Control units on the K-CAN4
Active Sound Design (ASD)
Active Sound Design (ASD)
The control unit for Active Sound Design generates the engine sound for
output in the vehicle interior.
The engine sound is calculated according
Control units on the Ethernet
Active Cruise Control (ACC) Long Range Radar (LRR) sensor
Active Cruise Control ACC Long Range Radar (LRR) sensor
The control unit for active cruise control for ACC Stop & Go contains a
radar-ba
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Chain drive
Features:
Chain drive at the side of the engine emitting the forces
Single-part chain drive for driving the camshafts
Single sleeve-type chain 8 mm
Electric motor of the combined oil-vacuum pump via a separate chain
Plastic tensioning and guide rail
Hydraulic chain tensioner with spring
Malfunction
Message
The yellow warning light flashes
and is
then illuminated continuously. A Check
Control message is displayed. It may not
be possible to identify tire pressure losses.
Measure
A wheel without TPM wheel electronics, such
as an emergency wheel, is mounted: have
the wheels checked, if needed
