Entertainment and Comfort (E&C) Serial Data Link

ENTERTAINMENT AND COMFORT (E&C) SERIAL DATA LINK
The Entertainment and Comfort (E&C) serial data link allows a scan tool to communicate with the radio and Remote CD player (if equipped with RPO U1S) for diagnostic and testing purposes. In addition, the E&C serial data link allows the radio and the Remote CD player (if equipped with RPO U1S) to communicate data with each other. The E&C serial data link is located at the DLC connector terminal 14, circuit 835.