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  • Hydra 2.60


The ECU must be configured to output data with the standard checksum at a baud rate of 19200.


This ECU utilises standard RS232 (serial) connections:

If using a Race Technology ECU Serial Interface, connect the 'ECU' labelled connector directly to the ECU.

If using a product with a built-in interface, use the below image to connect the product to the ECU:

Data Channel Listing:

ECU Message Name Race Technology Data Channel Resolution of Data
Engine Speed Engine RPM (RPM) 25 RPM
Air Temp Ambient air temp (temperature 1) 0.1 oC
Coolant Temp Coolant temp (temperature 8) 0.1 oC
Throttle Position Throttle position (aux 1) 0.1%
Air fuel Ratio Lambda 1 (misc 1) 0.01 lambda
air fuel ratio target Lambda 2 (misc 2) 0.01 lambda
battery voltage Battery voltage (misc 3) 0.01 V
Boost Pressure Boost pressure (pressure 5) 0.1 kPa
Ignition angle Ignition angle (angle 2) 0.1o BTDC
Injector time Fuel inj 1 PW on (measured time 1) µs
Injector duty cycle Fuel inj 1 PW (aux 6) 0.1%
Lambda 1 short term trim Lambda 1 short trim (aux 2) 0.1%

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.

Page last modified on August 20, 2021, at 02:27 PM