Is there a proper order to bleed the brakes?
 

Just trying to figure out which order I bleed each wheel. I've never had to bleed an entire system before so I don't know the whole process.

passenger rear - drivers rear - passenger front then drivers front (assuming your master cylinder is on the right hand side of the engine bay)

Depends on the car. On Nissans, it's RR, LF, LR, RF. This is because the rear port of the master cylinder goes to the RR and LF corners. The front port goes to the LR ans RF corners. It's easy to figure out on older non-ABS cars. Just follow the lines. The port on the master cylinder closest to the firewall is the one you bleed first. On newer cars, you'll need to Google the layout because you can't see inside the ABS block.

I always did front to back

i am an ASE under-car specialist, and did brake work professionally for almost 10 years. if you start furthest from master cyl and work closer, you will be fine.