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