Is the audio system USB output OK with the MIT 105-00120 connected to the front USB port?

U6 ISOLATE THE FRONT USB (UNIVERSAL SERIAL BUS) PORT/CABLE

Install a new front USB port/cable. REFER to: SYNC Module [APIM] to Universal Serial Bus (USB) Port Cable (415-00A Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC, Removal and Installation). Connect: MIT 105-00120 to the front USB port. Select USB mode on the MIT. Operate the audio system in USB mode and observe the audio output.

Yes	The system is operating correctly at this time. The concern was caused by an inoperative front USB cable.
No	GO to U7

U7 CHECK FOR CORRECT APIM (SYNC MODULE) OPERATION

Ignition OFF. Disconnect and inspect the APIM connector. 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 APIM connector. Make sure it seats and latches correctly. Wait at least 2 minutes for the APIM to re-initialize. 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, PERFORM the APIM Hardware Test. Click here to access Guided Routine (APIM).
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, PERFORM the APIM Hardware Test.

Click here to access Guided Routine (APIM).

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 Rear USB Port (USB2) Is Inoperative Or Does Not Operate Correctly

Refer to Wiring Diagrams Cell 132 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Information and Entertainment System - System Operation and Component Description (415-00A Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC, Description and Operation). See SYNC® AppLink™, USB Audio Mode, and USB Port.

The MIT 105-00120 is powered by the USB port

DTC Fault Trigger Conditions

Source reference 4189

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.