Data Link Connector (DLC)
The Data Link Connector (DLC) is a 16-pin connector that provides the technician a means of accessing serial data for aid in the diagnosis. This connector allows the technician to use a scan tool in order to monitor the various serial data, parameters, and display the DTC information. The DLC is located inside of the drivers compartment, underneath the dash. Pin-4 and pin-5 are grounds. Pin-7 is the ISO serial data. Pin-16 is B+.