Information Bus: Description and Operation

DATA LINK COMMUNICATIONS DESCRIPTION AND OPERATION

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.