Ok, attached is an Excel worksheet that allows you to play with the three AFM Transfer Function Tables. This worksheet will output a graph of the transfer function, and will hopefully allow people to get a better understanding of the 944/951 workings by manipulating the tables.
Transfer Function Worksheet
Furthermore, those with aftermarket MAFs, can try to get the transfer function to match their aftermarket unit (and see why the 944/951 stock code is limiting).
-Rogue