Ok, go under the pass. floorboard and look up under the glove box kinda in the corner (right side). What you are looking for is a green or blue rubber boot inside the boot will be one or two connectors that do not plug in anywhere. the two pin(has two holes) is the one to jump with a paper clip. jump it with a paper clip then turn on the ign. switch to the II position and count how many times the check engine light flashes, one long flash=10, short flash =1