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PINPOINT TEST M : The Audio DSP Module Does Not Respond To The Diagnostic Scan Tool: Notes

WARNING: This page is about a different car, the 2016 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- 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 DSP 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 5 (20A) or BCM fuse 19 (20A) (THX ® only) is OK.

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