What would you recommend to replace or check? on 1996 Toyota Camry

My vehicle will not start. There is no fire to the plugs.I had unhooked battery cables to clean them before I hooked up the diagnostic machine so it read no codes.What do I need to do next or replace?

Asked by for the 1996 Toyota Camry
1 answer
if no spark check or replace coil inside distributor and igniter also.