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Home >> Lincoln >> 2017 >> MKZ Hybrid Select >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (Module Communications Network (Except Hybrid)) >> Diagnosis And Testing >> Communications Network >> Pinpoint Tests >> Pinpoint Test T : The DSP (Audio Digital Signal Processing Module) Does Not Respond To The Diagnostic Scan Tool >> Notes

Pinpoint Test T : The DSP (Audio Digital Signal Processing Module) Does Not Respond To The Diagnostic Scan Tool: Notes

WARNING: This page is about a different variant/trim than selected.

Refer to Power Distribution for schematic and connector information.

Refer to Audio System/Navigation - Fusion Without Touchscreen for schematic and connector information.

Normal Operation and Fault Conditions 

The DSP communicates on the HS-CAN3. Diagnostic messages are sent/received between the DLC and the diagnostic scan tool through the HS-CAN2 circuits at the DLC, and are translated through the GWM to the HS-CAN3.

Possible Sources 

Visual Inspection and Diagnostic Pre-checks 

Verify BCM fuse 5 (20A) and 28 (20A) are OK.

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