Data Link Connector: Description and Operation

Figure 5 - Data Link Connector (DLC):

Data Link Connector (DLC)
Refer to Control Module Wiring Diagrams for detailed illustration.

The provision for communicating with the control module is the Data Link Connector (DLC). The DLC is usually located under the instrument panel. The DLC is used to connect to a scan tool. Some common uses of the scan tool are listed below:
- Identifying stored Diagnostic Trouble Codes (DTCs).
- Clearing DTCs.
- Performing output control tests.
- Reading serial data.