Data Link Connector (DLC)
The data link connector (DLC) terminal 2 contains the
class 2 serial data link.
The DLC also provides a power source for the scan tool as follows:
| • | Battery voltage at the DLC terminal 16. |
| • | Ground at terminals 4 and 5. |
Class 2 Serial Data Link
The class 2 serial data link allows the following modules to communicate
with each other:
| • | The body control module (BCM) |
| • | The electronic brake control module (EBCM) |
| • | The integrated radio chassis (IRC) |
| • | The powertrain control module (PCM) |
| • | The Remote Control Door Lock Receiver (RCDLR) |
| • | The inflatable restraint sensing and diagnostic module (SDM) |
The class 2 serial data link allows a scan tool to communicate
with the above modules for diagnostic and testing purposes.