Finally It works !!! I will explain how to:
The tractor is New Holland T7.245 with autocommand with Screen Intelliview iV.
Connect aurduino to Can connector green behind the seat. can-H Pin H, can L pin J
First, configure HH menus Ch1 yes, and Ch2 yes , Ch1 is for CustomSteer ( rotate fast) second for autosteering.
With motor off :
Press this button 2 seconds ( button for engage autosteer on console)
Andy, I marked up your diagram to how I wired it, I think there was some confusion with the five farmer notes as they used the DRC22 40 connector on the ag open box. This is how to wire if you are going from the ampseal to CNH DRC22 40 factory plug. I supplied the 6/2 valve from the other connector as the factory steer enable switch switches this supply.
I eventually managed to find Ch1 and Ch2 and set them on and to callibrate the WAS and Spool.
But I am stuck. Pressing the autosteer button doesnt give me “NAV” or anything on the dasboard and no steering logo on the Intelliview IV. The tractor is in field mode.
Recently I have tried same procedure with CASE cvx, it was autosteer ready ( theoretically) , but i didnt found the Nav option in the HH menu, so , my conclusion is that yes, it has electrovalves, i can see them, but, something was missing, may be control ecu. So this can be your case, but not sure. We are contacting with the dealer to verify the status of this tractor. If i get some interesting info i will post you.
It is the NH autosteer button on the RHS of the cab (actually a three position rocker switch, centre biased).
“NAV” should show on the centre console in front of you. Getting this setting right seems to be an essential precondition for the tractor to accept third party CAN steering commands such as from AgOpen. Certainly it is not taking any notice at the moment (but that could be for any number of reasons …)!
hi on a case puma cvx 200 i can find the was and the ch1 for calibrating the was and unlock the auto guidance in the HH menu. if anybody had a discreption or a sulotion thanks.
