Intelligent Battery Sensor IBS
DDE power supply for IBS
Functional description, see BMW Technology:
TIS -> Document -> SI Technology -> 61 03 04092
Brief description:
The IBS is a mechatronic component for monitoring the battery condition.
The IBS is secured and connected to the negative terminal of the battery. The power supply for the IBS is fed across a separate cable. For data transmission, the IBS is connected to the DME (Digital Engine Electronics) or DDE (Digital Diesel Electronics) via the BSD (bit-serial data interface).
Notes for Service department
General information
Replacing the IBS.
The vehicle with the new IBS must be placed in the idle state for at least 3 hours: Only then can the new IBS determine the battery status.
The Check Control message