EMERALD K3 & K6 (CAN)
Compatibility
Configuration
This generic protocol can be enabled on Emerald K3 ECU’s that have a firmware version v1.05 or higher.
Connections:
Race Technology supply a cable that directly connects Race Technology equipment to the Emerald's Comms port. In case the cable cannot be supplied, pinout information for the communications port below:
| Pin Number
| Connection
| Comments
|
| 1
| CAN_H
| CAN bus interface
|
| 2
| CAN_L
| CAN bus interface
|
| 3
| -
| Not used
|
| 4
| -
| Not used
|
| 5
| earth
| Signal earth
|
| 6
| -
| Not Used
|
| 7
| Rx
| RS232 serial interface, data receive
|
| 8
| Tx
| RS232 serial interface, data transmit
|
| 9
| CTS
| RS232 serial interface, clear to send
|
Data Channel Listing:
| ECU Message Name
| Race Technology Data Channel
| Resolution of Data
|
| RPM
| RPM (Engine RPM)
| 1 RPM
|
| MAP
| Boost pressure (pressure 5)
| 0.1 kPa
|
| BARO
| Ambient air pressure (pressure 1)
| 0.1 kPa
|
| TPS%
| Throttle position (aux 1)
| 1%
|
| Coil on-time
| Coil 1 PW (measured time 9)
| 1 ms
|
| Coolant temp
| Coolant temp (temperature 8)
| 1 oC
|
| Road speed
| Speed from ECU (misc 4)
| 0.1 MPH
|
| AFR/Lambda_1
| Lambda 1 (misc 1)
| 0.1 lambda
|
| AFR/Lambda_2
| Lambda 2 (misc 2)
| 0.1 lambda
|
| Status flags
| Auxiliary 1 (aux 26)
| 1
|
| Error flags
| Auxiliary 2 (aux 27)
| 1
|
| Injector duration
| Fuel inj 1 PW on (measured time 1)
| 1 ms
|
| Gear
| Auxiliary 3 (aux 28)
| 1
|
| Selected map
| Auxiliary 4 (aux 29)
| 1
|
| Battery
| Battery voltage (misc 3)
| 0.01V
|
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.
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