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13.03.2009: ECU
The ECU circuit has a clearly visible location for a BDM connector. Pins 1 (marked by the arrow) and 2 are not used, so you don't need to solder anything there.

Here's a brief guide on how to connect a BDM interface to a Trionic7 ECU.

BDM (stands for Background Debug Mode) is an electronic interface for debugging microcontrollers and other embedded systems. It allows direct access to circuit components. In our case, we will be using it to overwrite the flash memory on the Trionic ECU. Normally, connecting via the CAN bus is a more convenient way to flash it, but if that process fails, you end up with a dead ECU. The only way to revive it is by attaching a BDM controller. Guess what happened to me ;].

Related Links: ECUProject forums, T7Suite, T7Tool and BDM utilities, BD32 How-To.

 

 
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