Auxiliary Consumers And Terminal 0

If the driver switches on an auxiliary consumer it logs itself on by issuing the message "Auxiliary consumer power management". By doing so, it triggers the PM to precisely calculate the battery charge level.

Following a successful log-on, the auxiliary consumer goes into operation and the charge level of the battery is monitored.

If the charge level falls below the minimum level for starting the car, the following Check Control message appears:

Fig 1: Auxiliary Consumers And Terminal 0

Courtesy of BMW OF NORTH AMERICA, INC.

Five minutes later, if no legally required consumers are switched on, the PM automatically switches to "closed-circuit current monitoring" mode.