Maf-Map-Engineering ECU481
ECU Configuration
- Needs to be set to AIM protocol
- 19200
- 8,N,1
ECU connection
ECU has standard female RS232 connector labelled COM. Plug the Race Technology ECU interface connector labelled ECU directly in to the ECU or using an extension cable
Channel naming
ECU Name
| Race Technology message
| Race Technology Default name
| Race Technology VAR number
| Resolution
|
AIM_RPM
| Engine RPM
| RPM
| VAR_0010
| 1 RPM
|
AIM_AIRCHARGETEMP
| temperature 6
| Inlet post intercooler 1
| VAR_1005
| 0.1C
|
AIM_WATERTEMP
| temperature 8
| Water temp
| VAR_1007
| 0.1C
|
AIM_OILTEMP
| temperature 9
| Oil temp
| VAR_1008
| 0.1C
|
AIM_EXHTEMP
| temperature 17
| Exhaust 1 temp
| VAR_1016
| 0.1C
|
AIM_WHEELSPEED
| aux 26
| Auxiliary 1
| VAR_2025
| 1km/h
|
AIM_GEAR
| aux 27
| Auxiliary 2
| VAR_2026
| 1
|
ECU481_CYLCHARGE
| aux 28
| Auxiliary 3
| VAR_2027
| 0.05%
|
ECU481_KNOCKNOISE
| aux 29
| Auxiliary 4
| VAR_2028
| 0.40%
|
ECU481_MAF1
| aux 30
| Fuel aux temp comp
| VAR_2029
| 1 kg/h
|
ECU481_MAF2
| aux 31
| Fuel aux volt comp
| VAR_2030
| 1 kg/h
|
AIM_THROTANG
| angle 1
| Throttle angle
| VAR_3000
| 0.1 degrees
|
ECU481_IGNANGLE
| angle 2
| Ignition angle
| VAR_3001
| 0.4 degrees
|
AIM_OILPRESS
| pressure 2
| Oil pressure
| VAR_3501
| 1mb
|
AIM_FUELPRESS
| pressure 3
| Fuel pressure
| VAR_3502
| 1mb
|
AIM_MANIFPRESS
| pressure 5
| Boost pressure
| VAR_3504
| 1mb
|
AIM_LAMBDA
| misc 1
| Lambda 1
| VAR_4000
| 0.001 lambda
|
AIM_BATT_VOLT
| misc 3
| Battery voltage
| VAR_4002
| 1mV
|
Note - Not all channels listed in the table(s) above may be available from your ECU. This can be dependent on the vehicle model & year of manufacture.