BMW 7 Owners & Service Manuals
BMW 7 Series (F01/F02) 2008-2015 Service Manual / General Vehicle Electronics / Seats / System Overview

BMW 7 Series: System Overview

System Circuit Diagram, Multifunction Seat (comfort seat)

Seats
Fig. 93: Multifunction Seat System Circuit Diagram

COMPONENTS DESCRIPTION CHART

  1. Switch block, driver's door
  2. Button block in the armrest, driver's side
  3. Motors, mirror adjustment, driver's side
  4. Footwell module (FRM)
  5. Central gateway module (ZGM)
  6. Driver's seat module (SMFA)
  7. Integrated automatic heating/air conditioning (IHKA)
  8. Junction box electronics (JB)
  9. Motors, mirror adjustment, passenger's side
  10. Fuses in the front distribution box
  11. Motor, longitudinal seat adjustment
  12. Motor, seat-inclination adjustment
  13. Motor, seat-height adjustment
  14. Motor, backrest-inclination adjustment
  15. Motor, seat-depth adjustment
  16. Motor, upper backrest adjustment (LKV)
  17. Motor, head-restraint height adjustment
  18. Motor, backrest-width adjustment
  19. Pump, lumbar support/active seat
  20. Pressure distributor, active seat
  21. Fan, active seat ventilation, seat surface
  22. Fan, active seat ventilation, backrest surface
  23. (1) Lumbar support pump
  24. Lumbar support, solenoid valves
  25. Seat-heating pad, seat surface
  26. Seat-heating pad, backrest surface
  27. Seat function buttons, driver's seat

K-CAN2 - Body CAN2
K-CAN - Body CAN
LIN-Bus - Local interconnect network bus
KI. 30B - Terminal 30 basic operation

(1) Pump in a vehicle equipped with lumbar support. In a vehicle equipped with active seats, a different pump is used. This pump supplies the active seat and lumbar support with air.

K-CAN signals at the seat module

K-CAN SIGNALS CHART

Seats

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