im having trouble with my ac in the mini van. yea, its a mini....hahaha

anyways the ac light is blinking like crazy. im trying to get some trouble diag codes but no luck. i think im doing it wrong.

i was taugh like this, 1- blower on high, 2- turn temp to coldest, 3- press rear washer button simultaneously for 5 sec. is that right?

thanks in advance