I`m hoping someone can point me in the right direction here. On my 08 4x4 Dmax, the 4 WD is not working, and the message "Service 4 Wheel Drive" is on the DIC. It is in 2 WD, but will not shift into 4 Hi or 4 Lo. I checked the fuse in the underhood box, and it is fine. When I first turn on...