Yeah, it's really not hard...
Look for the two connectos by the drivers strut tower (hear the hood hinge). Take your piece of wire and plug it into the connectos accoding to the websites diagram and then just turn the key into the 'on' position. This starts the KOEO (key on / engine off) tests. Next, cycle the key to 'off' and then start the car. This starts KOER (key on / engine running). Record all your codes on a scrap of paper and then refer to the website for your numbers.
Remeber, the flash is the numbers. Example: flash, flash, flash, flash... [pause] flash. Then the flash repeats. This would be code 41.
It is very easy... It'll take less than 5 minutes and it's free.