Hondata

Just so people have a better understanding of the Hondata Blue Box. It is a hardware lock. ROMs made with Hondata software have a different syntax than other stock ROM images. If you have an aftermarket chip designed to run off the ECU alone then simply disconnecting the Hondata Blue Box will allow ...

Here what I can tell. I've got a 2B and I've recently began to upgrade from a P28 to a P30 (JDM OBD 1 ECU).

1) The real determining factor will be if it's a USDM or JDM ecu. The USDM ecus use regular IC 74HC373N chips. The JDM ECU's use surface mount chips (smaller). Here is the info off the ...