No, I haven't fixed it yet. I am waiting to have to get it on a lift so i can look at some of the wiring. And may have to take the rear hatch panel to get to the camera. Those are my plans.
to remove the back door finisher requires you to pull up the finisher off the rear door. its held on by plastic pieces. you may end up breaking some of them so be prepared for that. you can get replacements from nissan or amazon.
once you remove the door finisher, the camera is screwed onto the door.
