+Size tire inflation pressure ?

Hello there,
I have a 03 Pathfinder LE , OEM 245x65x17 105S on a stock 17x8.0 with
+ 20 mm offset, it should be 30 psi, now i will be running on momo
twin suv 20x8.5 rims with a + 9 offset and Toyo proxes s/t 255/45/20 105V
any idea about these issues :-

1-Can i use the original trie pressure monitors," i think these have a minimum air pressure setting of 22 psi".

2-What will be the air pressure on the new setup ?
3-Would i feel any rubbing due to the bigger size rims and tires ?
4-Are the traction control , VDC and suspension will be affected in a bad way.?
I thank everbody in advance for their kind help.,
Cheers.

i'd be careful about going to oversized rims and tires i've heard it throws the handling out of wack...real bad for wet roads. although it will look cool!

Just got reply from ToyoCanada tech. support team.
for that size and since it is a reinforced edition, minimum pressure
will be 39 PSI, so for evryone installing a larger wheels &/or tires the
maker of the tire knows better you can not use the oem inflation pressure
nor the Maxi. pressure stamped on the tire, well i am glad that they answered me before i install these tires.