How do i activate Sony HS-USB Android Diag ports on Xperia Z3?

Hi People.

I have been trying to get the HS-USB Android Diag/Modem/Serial ports activated so that they show in Device Manager, to no avail. I am using Windows 7.

Is there a special number sequence i enter into the dialler on the Xperia Z3? Or is there a special USB driver i have to install? I...

How do i activate Sony HS-USB Android Diag ports on Xperia Z3?

How do i activate Sony HS-USB Android Diag ports on Xperia Z3?