Famous 2003 Honda Check Engine Light Ideas. These scanners plug into the data link connector (dlc) of the civic's ecu to obtain the diagnostic trouble codes (dtcs). Web the video above shows how to locate the on board diagnostics obd plug location on your 2003 civic, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your civic.
Web is your ‘check engine’ light on? Web common causes for honda check engine light. Web check engine light problems in 2003 honda civic maintenance/repairs honda wncgirl august 31, 2013, 4:22pm #1 hi all, i bought a 2003 honda civic ex coupe with almost 132,000 miles a little over a month ago and continue to experience headaches with it, even though i had a mechanic check it out before buying.
