PINPOINT TEST L : The Audio RCU Module Does Not Respond To The Diagnostic Scan Tool: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Module Communications Network for schematic and connector information.
Refer to Audio System/Navigation - With SYNC Without Touchscreen for schematic and connector information.
Refer to Audio System/Navigation- Sony With SYNC/Touchscreen Display for schematic and connector information.
Refer to Audio System/Navigation - THX With SYNC/Touchscreen Display for schematic and connector information.
Normal Operation and Fault Conditions
The audio RCU module communicates with the diagnostic scan tool through the HS-CAN. The IPC is used as the gateway module.
Visual Inspection and Diagnostic Pre-checks
Verify BCM fuse 2 (15A) is OK.