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Link G4+ and LINK G4X CAN


These instructions are compatible with the following models of ECU.

Following information relates to Link G4+ firmware version 5.1.0 and later.

ECU Configuration

In order for Race Technology products to communicate via CAN to the Link ECU some CAN setup is required on the PCLink Software. To do this go to ECU Controls > CAN Setup

Depending on which LINK ECU you are running you maybe able to configure 1, 2 or both CAN buses. Refer to connections section on which option (1,2 or both) the ECU supports and which one is best for you and select the following settings.

Using the screen below, set up the CAN to the “User Defined” mode at a bit rate of 1Mbit/s.

  • Select “Channel 1” and using the Mode drop down list select “Transmit DASH2PRO”.
  • Set the Transmit Rate to 20Hz
  • Set the CAN ID to 1000

Click apply and then select OK. This will take you back into the main map screen. Apply the changes to the ECU and save the file as a revised copy on the Computer.


  • Connect Race Technology CAN+ to LINK CAN+
  • Connect Race Technology CAN- to LINK CAN-

Race Technology CAN connections

It is important to insure the CAN bus is correctly terminated. See here for more details>>>

Channel Listing

ECU name Race Technology message Race Technology Default name Race Technology VAR number Resolution
Engine Speed RPM Engine Speed VAR_0010 1
MGP Pressure 5 Boost Pressure VAR_3504 kPa 1
ECT Temperature 8 Water Temperature VAR_1007 1°C
IAT Temperature 6 Inlet Post Intercooler 1 VAR_1005 1°C
ECU Volts Misc 3 Battery Voltage VAR_4002 0.1 V
Oil Temp Temperature 9 Oil Temperature VAR_1008 1°C
TPS Aux 1 Throttle Position VAR_2000 Raw Value
Ignition Angle Angle 2 Ignition Angle VAR_3001
Non Driven Wheel Speed Misc 4 Speed From ECU VAR_4003 km/h .1
Oil Pressure Pressure 2 Oil Pressure VAR_3501 kPa 1
Fuel Pressure Pressure 3 Fuel Pressure VAR_3502 kPa 1
ECU Temp Temperature 16 ECU temperature VAR_1015 1°C
Lambda 1 Misc 1 Lambda 1 VAR_4000 1 Lambda

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 June 29, 2020, at 01:24 PM