Energy Diagnosis: Terminal Control: Notes

The terminal control is distributed across various control units. The following block diagram provides an overview of the control units involved and the integration in the vehicle electrical system.

Fig 1: Control Unit - Circuit Diagram

Courtesy of BMW OF NORTH AMERICA, INC.

JBE	Junction Box electronics
SV	Power distribution box from the Junction box
CAS	Car access system
RAD2	Radio 2 (depends on level of equipment)
M-ASK	Multi Audio System Controller (depends on level of equipment)
CCC	Car Communication Computer (depends on level of equipment)
DME	Digital Engine Electronics
DDE	Digital diesel electronics
IBS	Intelligent battery sensor (depends on level of equipment)
K-CAN SYSTEM	Bus system for body systems
MOST	Bus system in the area of audio and communication (depends on level of equipment)
PT-CAN	Bus system for power train and chassis functions