Here are some I found. I am not sure if they work so you will have to try them and see.
Enter one of the following codes while in Don view to activate the corresponding cheat function. There is a five minute lockout before a code can be re-enabled. To bypass this, save the game after a code has been enabled, quit the game, then reload your saved game.
Press Square, Triangle, Square(2), Triangle, L3.
Press Triangle, Left, Triangle, Right, Square, R3.
Press Left, Square, Right, Triangle, Right, L3.