Well

Would be nice to know the exact fault codes a sub category

Then the arm bolted to the motor is in the wrong position. You need to make sure the motor is in park so do a wipe and let it park in mid screen if it wants to, turn them off and the ignition. Then undo the nut for the arm from the motor without turning the motor and lift the arm off the motor then ...

If you put it on intermittent do they pause in the correct position of the screen ?

Probably end up having a ADCM (adblue control module) if available if not then a tank as it comes with an ADCM.

An injector leak off test I would recommend first

If it has an in tank pump then the priming bulb isnt a priming bulb it's there to dampen the pulses and stop unwanted ticking noise. You will notice there wont be an arrow on the priming bulb because it's not got a one way valve in it. If you have can crank sync then I'd say timing is fine. Can you ...

Yeah the board and one of them will be alright which ever is worst or most commonly used

Replace the blower motor transistor

Can you post picture of the ikey board please?