Turn the key ON, OFF, ON, OFF, ON - leave ON this time, the CHECK ENGINE light will come on then go off shortly. Then start to flash the codes, count the numbder of flashes, each code will be in double digit form with a short pause between digits and a long pause between codes.
example: | = 1 CHECK ENGINE light flash
| pause | | = 12,
pause pause pause pause pause
| | | | | pause | | | | | = 55,
Code 12 - Power to PCM was lost within the last 50 ignition cycles, Battery was disconnected.
Code 55 - End Of fault codes.
You could go to that site Dale just sent to get the meaning of each code or just post them here and we will tell you what they mean..