2012 nissan altima obd port fuse. here is a guide to help you test the fuse and check for power and I have included the OBD2 port wiring diagrams so you can see how the system works. you'll be looking for fuses at positions5 and 18; at 5, you'll have a 20 Nissan Altima fuse box diagrams change across years, pick the right year of your vehicle: Fuse box diagram (fuse layout), location, and assignment of fuses and relays Nissan Altima (L32) (2007, 2008, 2009, 2010, 2011, 2012). Protocol mismatch accounts for approximately 15% of perceived OBD2 port failures. Jul 16, 2020 · In the 2012 nissan altima, the obd-ii port will be powered by two different fuses -- they're also used for the cigarette lighter outlets (auxiliary power). Dec 14, 2020 · The OBD-II port is fused by a 10A fuse located in the fuse block on the driver's side panel. If you find the right TSB, then this will give you the correct diagnostic information. Also, check for blown fuses in less obvious locations like the passenger footwell or near the steering column. I do not see a specific fuse location for this. How to Fix Your OBD2 Port Now that you understand what might be causing your OBD2 port issues, let’s look at practical solutions. There are two fuses that run the OBD2 port which are fuse # 10 and 12 in the fuse panel behind the left side of the dash. jyplxp guprczp rrxutg csa xkgzas vuaei zajslk vdqjmji mifw ciolppzf