Hondata K4Pro and S300 ECU
Connection
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
- Note
- If not using Race Technology supplied CAN terminator, a 120ohm resistor must be installed between CAN High and CAN Low.
Configuration
The ECU software must be setup as follows: CAN Output - Hondata Protocol (500kbps)
Channel Listing
ECU name
| Race Technology message
| Race Technology Default name
| Race Technology VAR number
| Resolution
|
RPM
| Engine RPM
| RPM
| VAR_0010
| 1 RPM
|
Speed
| Misc 4
| Speed From ECU
| VAR_4003
| 1Kph
|
Gear
| Aux 26
| Auxiliary 1
| VAR_2025
| Raw Value
|
Battery Voltage
| Misc 3
| Battery Voltage
| VAR_4002
| 0.1v
|
Throttle Position
| Aux 1
| Throttle Position
| VAR_2000
| 0.1%
|
Lambda
| Misc 1
| Lambda 1
| VAR_4000
| 1 Lambda
|
MAP
| Pressure 5
| Boost Pressure
| VAR_3504
| 1 kPa
|
ECT
| Temperature 8
| Water Temperature
| VAR_1007
| 1°C
|
Analog 0
| Aux 3
| Lambda 2 Short Trim
| VAR_2002
| 0.1v
|
Analog 1
| Aux 4
| Lambda 1 Long Trim
| VAR_2003
| 0.1v
|
Analog 2
| Aux 5
| Lambda 2 Long Trim
| VAR_2004
| 0.1v
|
Analog 3
| Aux 6
| Fuel Inj 1 PW
| VAR_2005
| 0.1v
|
Analog 4
| Aux 7
| Fuel Inj 2 PW
| VAR_2006
| 0.1v
|
Analog 5
| Aux 8
| Fuel Inj 3 PW
| VAR_2007
| 0.1v
|
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.