BMW G12 2015 Technical Training Manual page 67

G12￿Voltage￿Supply￿and￿Bus￿Systems
3.￿Voltage￿Supply
3.2.10.￿Power￿distribution￿box,￿rear
Power￿distribution￿box,￿rear
The￿following￿relays￿are￿installed￿in￿the￿rear￿power￿distribution￿box:
• 1￿or￿2￿terminal￿30F￿relays
• 2￿terminal￿30B￿relays
• 1￿terminal￿15N￿relay
• 1￿relay￿for￿rear￿window￿heating
All￿relays￿are￿bi-stable￿relays.￿The￿relays￿area￿activated￿by￿the￿Body￿Domain￿Controller￿via￿LIN.
The￿hard-wired￿terminal￿30B￿relays￿of￿the￿two￿front￿power￿distribution￿boxes￿are￿activated
via￿the￿rear￿power￿distribution￿box.
3.2.11.￿Body￿Domain￿Controller
The￿Body￿Domain￿Controller￿(BDC)￿is￿responsible￿for￿the￿terminal￿control.
A￿terminal￿30F￿relay￿is￿installed￿in￿the￿BDC.
A￿number￿of￿consumers￿are￿supplied￿with￿terminal￿30,￿terminal￿30F,￿and￿provided￿with￿corresponding
fuse￿protection￿via￿the￿BDC.
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