BMW 5 Series: Control units on the PT-CAN2
Electronic transmission control (EGS)
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Electronic transmission control (EGS)
Gear selector switch (GWS)
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Gear selector switch (GWS)
The gear selector switch (GWS) is used for selecting a drive position.
The bus connection is via the PT-CAN2 and additionally via a local CAN to the electronic transmission control (EGS) unit.
Power Control Unit (PCU)
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Power Control Unit (PCU)
The Power Control Unit is required:
- For charging the auxiliary battery.
- For supplying the vehicle electrical system from the auxiliary battery.
The Power Control Unit (PCU) contains a DC/DC converter with a power of 500 W.
The preconditions for the direction of the energy management are calculated from the use of the vehicle. The auxiliary battery is charged by the PCU when the engine is running. During the phases in which the combustion engine is not running, e.g. automatic engine start/stop function, the PCU supplies energy from the auxiliary battery to the vehicle electrical system.
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Control units on the FlexRay
Advanced Crash Safety Module (ACSM)
Advanced Crash Safety Module (ACSM)
The function of the Advanced Crash Safety Module (ACSM) is to evaluate all
sensor signals in order
to identify a crash situati
Control units on the local CAN
The control units on the local CAN are not displayed in the bus overview by
the BMW diagnosis
system ISTA. Diagnosis takes place via the corresponding primary control unit.
Radar sensor (primary)
Ra
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Speed Limit Warning
The driver has the option of setting a speed at which a warning is issued
when the system is activated
and the preset speed is exceeded.
Operation
The speed limit warning can be switched on and off in the iDrive menu, as
well as the speed setting at
which the warning should be issued, by making th
Components
Overview of luggage compartment
Battery
Power distribution box, battery, right
Power distribution box, rear
Power Control Unit (PCU) 500 W
Power Control Unit (PCU) 150 W
Power distribution box with safety battery terminal
Battery
Separator
Auxiliary battery, luggage compartment
The vehicl
