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Link G4+ & LINK G4X


  • Link G4
  • Link G4X

These instructions are compatible with the following models of ECU:

ECU Configuration

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

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 CAN High from the Race Technology device to LINK ECU CAN High
  • Connect CAN Low from the Race Technology device to LINK ECU CAN Low

Race Technology CAN connections

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

Data Channel Listing

ECU Message name Race Technology Data Channel Resolution of Data
Engine Speed RPM (Engine RPM) 1
MGP Boost Pressure (pressure 5) kPa 1
ECT Coolant temp (temperature 8) 1°C
IAT Inlet Post Intercooler 1 (temperature 6) 1°C
ECU Volts Battery Voltage (misc 3) 0.1 V
Oil Temp Oil Temperature (temperature 9) 1°C
TPS Throttle Position (aux 1) Raw Value
Ignition Angle Ignition Angle (angle 2)
Non Driven Wheel Speed Speed From ECU (Misc 4) km/h .1
Oil Pressure Oil Pressure (Pressure 2) kPa 1
Fuel Pressure Fuel Pressure (pressure 3) kPa 1
ECU Temp ECU temperature (temperature 16) 1°C
Lambda 1 Lambda 1 (misc 10 1 Lambda

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 07:13 PM