Normally these are frequency based inputs and should be connected between Digital Input 1 - 8. The ECU can can read a frequency range on these input from 0Hz - 25kHz (25000Hz).


The following Speed Options are available:


  • Left Drive Speed.
  • Right Drive Speed
  • Left Drive Speed 2
  • Left Drive Speed 2
  • Left Ground Speed
  • Right Ground Speed
  • Drive Speed
  • Ground Speed
  • Turbo Speed 1
  • Turbo Speed 2
  • Input Shaft Speed
  • Tail Shaft Speed


The following channel assigns are recommended. 


Four wheel drive 

If the speed data is collected by the ECU on all 4 wheels, then assign the front wheels to the Left and Right Drive Speed Channels and the rear wheels to the Left an Right Speed 2 Channels


Gearbox Output

Assign this to the Drive Speed Channel.




CAN Data: Input Source = Factory CAN bus 


This allows speed data that is available on a factory CAN bus to be displayed. The following channels can be used for different CAN bus systems.


NOTE: When the Input Source is selected as "Factory CAN" only the Filter setting is used. All other settings are not required as the data is already calibrated. 


Subaru MY06-12 CAN Bus


ECU Channel Name        ECU Source Input        Description 


Drive Speed                 Factory CAN Bus         This is the average speed of the front wheels.


Left Drive Speed                Factory CAN Bus        The ECU will put the Wheel Speed Front Left CAN data into this channel

Right Drive Speed        Factory CAN Bus        The ECU will put the Wheel Speed Front Right CAN data  into this channel

Left Drive 2 Speed        Factory CAN Bus        The ECU will put the Wheel Speed Rear Left CAN data into this channel

Right Drive 2 Speed        Factory CAN Bus        The ECU will put the Wheel Speed Rear Right CAN data into this channel


More information on the Subaru CAN bus is available here: Subaru MY06- MY12 CAN Setup