KMS MP25 ECU
This data protocol is valid for data speeds of 9600 baud or 115200 baud, which can be set within the KMS software.
Default baud rate after reset is 115200 bit/sec.
This ECU must be connected via RS232 (serial) connections:
Connect the Race Technology ECU Serial Interface directly to the ECU communication port.
If using a data logger or dashboard with direct connection capability, use the following ECU communication port pinouts to wire in.
Data Channel Listing:
|ECU Message Name
||Race Technology Data Channel
||Resolution of Data
||RPM (Engine RPM)
||Battery voltage (misc 3)
|Air to Fuel Ratio
||Lambda 1 (misc 1)
|| Coolant temp (temperature 8)
||Ambient air temp (temperature 1)
||Boost pressure (pressure 5)
||Oil pressure (pressure 2)
||Ignition angle (angle 2)
|Inject pulse time
||Fuel inj 1 PW on (measured time 1)
Not all channels listed in the table above may be available from your ECU. The available data channels vary with the vehicle model, year of manufacture & connected sensors.