I believe he will do fine, but you will need to move his paper, little by little to the door you want him to go out from. You don't move the paper until he is consistent in pottying in each new location. When it gets to the door, you will need to place the paper 1/2 in and 1/2 out and then later with just a little bit left peeking out the door. When he can longer pee on the scrap of paper still peeking out, (hopefully) he will bark or scratch at the door to be let out so he can go.
Sometimes, you may have to only move the paper in minute increments, it's barely noticeable that it has been moved. This is to avoid his confusion and to avoid any mistakes he may make.
Once he is outside, I would still put the paper out, introducing him to the grass with it. |