Getting ti up and running is a bigger project than you likely have time for, on the order of hours. Mariah might be able to take a dump of the memory on her datapad in about twenty minutes, but analyzing it will take some time beyond that, depending a lot on luck. It's possible if you reactivate the droid it might be able to give you information.
The vocabulator is very basic, so you're not going to bet anything from it verbally beyond beeps, clicks and whistles.
Mariah could focus her efforts on the more recent memories, that can narrow the time required quite a bit.
You're still looking at something close to 20 minutes, barring exceptional circumstances, CP expenditures and the like.