System wiring diagram
Comfort Access
Body Domain Controller (BDC)
Fuse in the Body Domain Controller
Switch in door lock of front passenger door
Outside door handle electronics (TAGE), front passenger door
CAN terminator
Comfort Access antenna, side sill, right
Switch in door lock of rear p
Point A in the heat management module circuit diagram designates the cold
start with an engine that
has completely cooled down.
Cold-start phase, Bx8TU engine
In the cold-start phase, the coolant circulates exclusively via a bypass in
the coolant pump. The rotary
valve in the heat management mod