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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: Vehicle Electrical System Control Unit - Circuit Diagram
G09841347Courtesy 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