Under the passenger dash, take the panel in the corner off and you'll see the ECU an blue connector hanging above.

Next, jump the blue connector with a wire (insert both ends of wire into the blue connector)

, Don't worry, your car will not explode...
Next, insert your keys to ignition and turn it to see the what code you have. Use the check engine light to indicate what code. For ex:
If you still have trouble figuring this out, go to this link:
http://www.honda-tech.com/zerothread?id=978933
Codes are also on the link above, hope this helps bro....