Cheats And Codes Of Pokemon Light Platinum ACTION REPLAY DS I NEED HELP?

ACTION REPLAY DS I NEED HELP? - cheats and codes of pokemon light platinum

In the experiment, in Pokemon Diamond cheat, but the menu of game action game, says unknown game, I went to the game then put my ID to add, but when I press the next screen, under the DS you just run the red light blinks and blue? Help? I do not know how to make codes