AH6 CHECK FOR CORRECT DACMC (DIGITAL AUDIO CONTROL MODULE C) OPERATION

No	The system is operating correctly at this time. The concern was caused by an inoperative ANC microphone.

Ignition OFF. Disconnect and inspect all the ACM 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 ACM 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 ACM. 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.

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 ACM. REFER to: Audio Front Control Module (ACM) (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.

B117A:01

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 ANC, ANC Microphones, and DACMC.

DTC Fault Trigger Conditions

Description	Fault Trigger Conditions	DTC Type
B117A:01 Backup Microphone: General Electrical Failure	Set by the DACMC when a failure is detected on the LHR quarter panel ANC microphone circuits (convertible only).	On-demand

Description

Fault Trigger Conditions

DTC Type

B117A:01 Backup Microphone:

General Electrical Failure

Set by the DACMC when a failure is detected on the LHR quarter panel ANC microphone circuits (convertible only).

On-demand

DTC

Possible Sources

Wiring, terminals, or connectors LHR quarter panel ANC microphone DACMC

PINPOINT TEST AI : B117A:01

AI1 CHECK THE LHR (LEFT-HAND REAR) QUARTER PANEL ANC (ACTIVE NOISE CONTROL) MICROPHONE CIRCUITS FOR A SHORT TO VOLTAGE

Source reference 4508

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.