Get a cup of coffee, this could take a while. Lots of people often ask me about automotive scan tools. I use a lot of scan tools in my every day life. Being an ASE master and instructor of automotive techs...
Ah, yes! The infamous 1997 TJ Check Engine Light; official designation, the Malfunction Indicator Lamp (MIL). If you have a 1997 TJ, then you have most likely had this stupid light come on one time or another....
The diagnostic trouble codes on all models can be extracted from the Powertrain Control Module (PCM) using a SCAN tool. On 1991 through 1995 models only, the PCM can be placed in the diagnostic mode and the...