Read the Password/PIN with maxisys then follow the same instructions, it is done the same way. Write it down on a paper then go to Security log in and type there...
According to the video, you need two PINs, PIN of original cluster and PIN of replacement cluster. You need to transfer PIN from the original to the replacement.
You only need the PIN of the new clustet in order to adapte the keys. The problem is, that in some keys, you need to change the old transponder to a new one, in both keys.