Ok to get the cheats codes and the console working go to your medal of honor pacific assualt shortcut. Now type in at the end of your shortcut which should look like this. Example: C:\ProgramFiles\EA Games\mohpasetup.exe" setdeveloper 1 then press the ` button.

Cheats:

Godmode- Dog
All weapons- Wuss
Noclip- Noclip