BDM pro (Background Debug Module)
BDM pro (background debug module) is a device that allows you to interface with the hardware of the ecu through internal pins, in order to access to the data contained in the ecu.
Communication between BDM pro and the ecu components is done through the microprocessor.
For this reason, the ecu supported by BDM pro use Motorola MPC5xx microprocessor and usually are equipped with 2 external memories, an eeprom and a 1.024KB or 2.048 flash eprom.
To use BMDpro you must remove the ecu from the car and open the protective box. So, we have to localize the diagnostic pins