Lotus

Data
ECU to IPC

400h 8 AA BB CC DD EE FF GG HH

AA > speed in km/hr

BB > unused (always 00)

CC DD --> tach rpms d(CCh)*256undefined+d(DDh), 06 D2 = 1746 rpm

EE ---> fuel level (00=empty, FF=full)

FF > engine coolant temperature ~= [d(XXh)*160/256 - 40] Deg Celcius

GG -> MIL 06-on, 04-crank, 00-running, 01-shift light

HH --> unused (always 00)

Links
Lotus CANBus