BMW G12 2015 Technical Training Manual page 52

G12￿Voltage￿Supply￿and￿Bus￿Systems
2.￿Control￿Units
2.10.2.￿Gear￿selector￿switch￿(GWS)
Gear￿selector￿switch￿GWS
The￿gear￿selector￿switch￿is￿used￿for￿selecting￿a￿drive￿position.
The￿bus￿connection￿is￿done￿via￿the￿PT-CAN2￿and￿an￿additional￿local￿CAN￿to￿the￿electronic
transmission￿control￿(EGS).
2.10.3.￿Power￿Control￿Unit￿(PCU)
PCU
The￿Power￿Control￿Unit￿is￿required:
• For￿charging￿the￿auxiliary￿battery
• For￿supplying￿the￿vehicle￿electrical￿system￿with￿the￿auxiliary￿battery
The￿Power￿Control￿Unit￿(PCU)￿contains￿a￿DC/DC￿converter￿with￿a￿power￿of￿500￿W.
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