Pinpoint Test Ai : No Power To The DLC: Notes
WARNING: This page is about a different car, the 2015 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
Refer to Module Communications Network , for schematic and connector information.
Normal Operation and Fault Conditions
The scan tool is connected to the Data Link Connector (DLC) to communicate with modules on the High Speed Controller Area Network (HS-CAN) and the Medium Speed Controller Area Network (MS-CAN).
A loss of ground or poor ground at the DLC may result in HS-CAN or MS-CAN faults while the scan tool is connected.