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It only works with ECUs with version numbers ending in C. If the version numbers ends in A then the ECU is compatible with a serial interface.


  • CAN High: Pin 1 of the MD35 connector
  • CAN Low: Pin 2 of the MD35 connector

ECU external DASHboard needs setting to KMS_CAN (0.5 MHz):

Channel listing:

ECU Name Race Technology message Race Technology Default name Race Technology VAR number Resolution
RPM Engine RPM RPM VAR_0010 10 RPM
Water temp temperature 8 Water temp VAR_1007 1oC
Air temp temperature 1 temperature 1 VAR_1000 1oC
Boost pressure pressure 5 Boost pressure VAR_3504 0.1 kPa
Oil pressure pressure 2 Oil pressure VAR_3501 0.1 kPa
Throttle position aux 1 Throttle position VAR_2000 0.1 (0-16)
Battery voltage misc 3 Battery voltage VAR_4002 0.25V
Lambda 1 misc 1 Lambda 1 VAR_4000 0.005 lambda
Lambda 2 misc 2 Lambda 2 VAR_4001 0.1 lambda
Ambient air pressure pressure 1 Ambient air pressure VAR_3500 0.1 kPa
Selected gear aux 26 Auxiliary 1 VAR_2025 1
rpm limiters and overrun aux 27 Auxiliary 2 VAR_2026 1

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.

Page last modified on May 13, 2019, at 07:40 PM