The Data Link Connector (DLC) contains the following components:
| • | The UART serial data line circuit which allows a scan tool to
communicate with the following modules for diagnostic and testing purposes: |
| • | The Powertrain Control Module (PCM) |
| • | The Electronic Brake Traction Control Module (EBCM) (if equipped
with ABS) |
| • | The trip calculator (if equipped) |
| • | The heater-A/C control module (if equipped with auto A/C) |
| • | The Class 2 serial data line circuit which allows a scan
tool to communicate with the PCM and inflatable restraint sensing and diagnostic
module for diagnostic and testing purposes |
| • | The Entertainment and Comfort (E&C) serial data line circuit
which allows for the communication of data among the following components: |