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  • Hondata K4PRO
  • Hondata S300


The ECU software must be setup as follows: CAN Output - Hondata Protocol (500kbps)


Connect Race Technology CAN High to the CAN High pin on the Hondata K4Pro or S300 ECU

Connect the Race Technology CAN Low to the CAN Low pin on the Hondata K4Pro or S300 ECU

Data Channel Listing:

ECU Message name Race Technology Data Channel Resolution of Data
RPM Engine RPM (RPM) 1 RPM
Speed Speed From ECU (misc 4) 1Kph
Gear Auxiliary 1 (aux 26) Raw Value
Battery Voltage Battery Voltage (misc 3) 0.1v
Throttle Position Throttle Position (aux 1) 0.1%
Lambda Lambda 1 (misc 1) 1 Lambda
MAP Boost Pressure (pressure 5) 1 kPa
ECT Coolant temp (temperature 8) 1C
Analog 0 Lambda 2 Short Trim (aux 3) 0.1v
Analog 1 Lambda 1 Long Trim (aux 4) 0.1v
Analog 2 Lambda 2 Long Trim (aux 5) 0.1v
Analog 3 Fuel Inj 1 PW (aux 6) 0.1v
Analog 4 Fuel Inj 2 PW (aux 7) 0.1v
Analog 5 Fuel Inj 3 PW (aux 8) 0.1v

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 August 20, 2021, at 11:08 AM