Misfire cylinder 3-4 yaris 2007

[vandammages]

Hi Getting codes misfire cylinder 3-4 P0303 and P0304.
just on first start of the Day both of them same time.

replaced plugs.
swapped Coil with 1-2.. issue continues 3-4.
wiring looks ok..but need to re-check more in depth.. need wiring diagram,


what is common do these 2 cylinders.?

Fuel injectors? both failing same time?

any assistance appreciated.