The maps shown in FIGS 2 and 3 are stored in an updatable manner in {HEAD ~ a predetermined area} of a memory of {TAIL ~ the ECU} 
The maps shown in FIGS 2 and 3 are stored in an updatable manner in { HEAD ~ a predetermined area } of a memory of { TAIL ~ the ECU }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL