Pinpoint Test Y : The Audio DSP Module Does Not Respond To The Scan Tool: Notes
WARNING: This page is about a different car, the 2015 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Diagnostics in this service information 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.
Refer to AUDIO SYSTEM/NAVIGATION for schematic and connector information.
Normal Operation and Fault Conditions
The audio Digital Signal Processing (DSP) module communicates with the scan tool through the High Speed Controller Area Network (HS-CAN). The IPC is used as a gateway module.
Visual Inspection and Diagnostic Pre-checks
Verify BCM fuse 5 (20A) and fuse 19 (20A) are OK.