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ECUType / Maf-Map-EngineeringECU481

Maf-Map-Engineering ECU481


  • ECU481


ECU Configuration

  • Needs to be set to AIM protocol
  • 19200
  • 8,N,1


ECU should be connected via serial (RS232) connections:

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

Data Channel Listing

ECU Message Name Race Technology Data Channel Resolution of Data
AIM_AIRCHARGETEMP Inlet post intercooler 1 (temperature 6) 0.1C
AIM_WATERTEMP Coolant temp (temperature 8) 0.1C
AIM_OILTEMP Oil temp (temperature 9) 0.1C
AIM_EXHTEMP Exhaust 1 temp (temperature 17) 0.1C
AIM_WHEELSPEED Auxiliary 1 (aux 26) 1km/h
AIM_GEAR Auxiliary 2 (aux 27) 1
ECU481_CYLCHARGE Auxiliary 3 (aux 28) 0.05%
ECU481_KNOCKNOISE Auxiliary 4 (aux 29) 0.40%
ECU481_MAF1 Fuel aux temp comp (aux 30) 1 kg/h
ECU481_MAF2 Fuel aux volt comp (aux 31) 1 kg/h
AIM_THROTANG Throttle angle (angle 1) 0.1 degrees
ECU481_IGNANGLE Ignition angle (angle 2) 0.4 degrees
AIM_OILPRESS Oil pressure (pressure 2) 1mb
AIM_FUELPRESS Fuel pressure (pressure 3) 1mb
AIM_MANIFPRESS Boost pressure (pressure 5) 1mb
AIM_LAMBDA Lambda 1 (misc 1) 0.001 lambda
AIM_BATT_VOLT Battery voltage (misc 3) 1mV

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 December 01, 2021, at 07:48 PM