Forum Thread: 2006 Nissan Altima,a/C Leaks Water into Rear Passager floor.where Is the Drain for the a/C.

how to find drain for a/c.

Not sure if this helps, but here's a video showing the drain tube in a 2009 Toyota Camry, which had a very similar problem that you have. Your drain tube could be dislodged and in a similar location.