Hydra ECUs
The ECU must be configured to output data with the standard checksum at a baud rate of 19200.
| ECU Name
| Race Technology message
| Race Technology Default name
| Race Technology VAR number
| Resolution
|
| RPM
| Engine RPM
| RPM
| VAR_0010
| 25 RPM
|
| Knock Retard Angle
| Angle 1
| Throttle Angle
| VAR_3000
| 0.1°
|
| Vacuum
| Pressure 2
| Oil Pressure
| VAR_3501
| 0.1 kPa
|
| Knock Voltage
| Analogue Input 1
| Analog 1
| VAR_0200
| 0.01 V
|
| ISC Valve Position
| Aux 27
| Auxiliary 2
| VAR_2026
| 0.1
|
| Ignition Angle
| Angle 2
| Ignition Angle
| VAR_3001
| 0.1°
|
| Injector Time
| Measured Time 1
| Fuel Inj 1 PW on
| VAR_2500
| µs
|
| Injector Duty Cycle
| Aux 6
| Fuel Inj 1 PW
| VAR_2005
| µs
|
| Oxygen Sensor Left
| Aux 28
| Auxiliary 3
| VAR_2027
| 0.1
|
| Oxygen Sensor Right
| Aux 29
| Auxilary 4
| VAR_2028
| 0.1
|
| Short Term Trim Left
| Aux 2
| Lambda 1 Short Trim
| VAR_2001
| 0.1%
|
| Short Term Trim Right
| Aux 3
| Lambda 2 Short Trim
| VAR_2002
| 0.1%
|
| Air Temperature
| Temperature 1
| Temperature 1
| VAR_1000
| 0.1 oC
|
| Coolant Temperature
| Temperature 8
| Water Temperature
| VAR_1007
| 0.1 oC
|
| Throttle Position
| Aux 1
| Throttle Position
| VAR_2000
| 0.1%
|
| Air To Fuel Ratio
| Misc 1
| Lambda 1
| VAR_4000
| 0.1 Lambda
|
| Vehicle Speed
| Misc 4
| Speed From ECU
| VAR_4003
| 0.1 KPH
|
| Battery Voltage
| Misc 3
| Battery Voltage
| VAR_4002
| 0.01 V
|
| Air Fuel Ratio Target
| Misc 2
| Lambda 2
| VAR_4001
| 0.1 Lambda
|
| Boost Pressure
| Pressure 5
| Boost Pressure
| VAR_3504
| 0.1 kPa
|
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