Takair;
Thanks for the suggestion to sign up for Beechtalk, as they had many threads on the KFC225.
Here is a quote from John Collins who is quite knowledgeable regarding the kfc225
The KFC225 has built in roll steering (often called GPSS on other systems), but it is a well kept secret as there is no mention of its operation in the KFC225 Pilot Guide. Roll steering is automatic and there is no annunciation of its operation. Roll steering is in effect anytime the GNS530W has GPS as the CDI source, the GNS530W is providing the roll steering information, and Nav mode on the KFC225 is engaged. This enables the autopilot to fly the holds, procedure turns, T style 90 degree turns, flightplan course changes, etc.
I talked to him this morning regarding my problem and he pretty much felt that it was a wiring issue. If the ouput from the Arinc 429 is not wired properly or the 430 not configured properly then the roll steering does not work. He did say that if you manually changed the course selector when the 530 said to turn this would work as you had suggested; but that is not roll steering.....it should follow the course change automatically. Here is the required wiring for it to work;
530 Connector P50001 pin2 to KFC225 Connector P2pin34
530 Connector P50001 pin14 to KFC225 Connector P1pin7
530 Connector P50001 pin46 to KFC225 Connector P1pin46
530 Connector P50001 pin47 to KFC225 Connector P2pin47
If Connector P50006pin29(ILS energize) is connected to KFC225 Connector P1pin7 then remove
Anyway, it looks like I have a little work to do, and I will let you know what I find
Thanks for all your help,
Bob