Zippy reading the flow chart made me laugh.Its funny that when we have to check something on new cars that we have to do all that stuff.Then people complain because you charge an hour to diag a problem.Most think that its our fault that it takes so long to really check something.Worst thing is thats a short diag compared to most stuff.Most people think all you do is hook up the machine and it tells you everything and fixes the problem.LOL Rocky