Yaris mk1 cd/radio audio system not working after battery removed

[Gpav6]

So I had to reset my ecu after having the engine management light on due to a bar maf sensor which i then replaced and reset the ecu by removing the positive wire that goes to the battery. I removed this for 10 mins after which everything reset including the ecu, job done i thought until now.
I now cannot do nothing with the radio or cd player, although i can change station it does not work, even when i press steering wheel buttons i cannot change volume , there is no volume.
Even when i press eject on the cd player it does not reel it in.
Prior to this everything was working.
Is this a code issue or has the fuse blown?

Edit: its a yaris mk1 2003 t-spirit eith a standard toyota cd / radio system