L12 CHECK FOR CORRECT AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) — 2016 workshop reference 4405

REFER to: Audio Front Control Module (ACM) (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

L12 CHECK FOR CORRECT AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE OPERATION

Ignition OFF. Disconnect and inspect all the audio DSP module connectors. Repair:

Corrosion (clean module pins or install new connectors or terminals) Damaged or bent pins (install new terminals or pins) Pushed-out pins (install new pins as necessary)

Reconnect the audio DSP module connectors. Make sure they seat and latch correctly. Operate the system and determine if the concern is still present.

Is the concern still present?

Yes	CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new audio DSP module. REFER to: Audio Digital Signal Processing (DSP) Module (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation).
No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new audio DSP module. REFER to: Audio Digital Signal Processing (DSP) Module (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation).

The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

The Center Instrument Panel Speaker Is Inoperative

Refer to Wiring Diagrams Cell 131 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Information and Entertainment System (415-00B) . See Audio DSP Module.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Conditions DTC Type B1A08:01 Speaker #8: Set by the audio DSP module when a failure is detected on On-demand General Electrical the center instrument panel speaker circuits. Failure B1A08:11 Speaker #8: Circuit Set by the audio DSP module when a short to ground is Continuous and Short To Ground detected on the center instrument panel speaker circuits. on-demand When DTC B1A08:11 is set, the speaker output is disabled. B1A08:12 Speaker #8: Circuit Set by the audio DSP module when a short to voltage is Continuous and Short To Battery detected on the center instrument panel speaker circuits. on-demand When DTC B1A08:12 is set, the speaker output is disabled.

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Source reference 4405

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.