CAN DI Freq 1-4 are LF, RF, LR, RR wheel speed respectively
CAN DI 1 is Sport button
CAN DI 2 is AC Request
CAN DI 3 is Start Signal
CAN DI 4 is Traction Disable Switch
Transmits Brake NO, Brake NC, Ignition Switch, AC Request, Clutch, Oil pressure Switch, Driving Wheel Speed, Charge Temperature,