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. |
All APIM Stereo Outputs Are Inoperative Or Do Not Operate Correctly
Refer to Wiring Diagrams Cell 131 for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Information and Entertainment System - System Operation and Component Description (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Description and Operation). See Bluetooth Mode, SYNC® System, USB Mode, ACM, APIM, and USB Hub.
Possible Sources
Wiring, terminals, or connectors APIM ACM
PINPOINT TEST W : ALL APIM (SYNC MODULE) STEREO OUTPUTS ARE INOPERATIVE OR DO NOT
OPERATE CORRECTLY
W1 CHECK FOR AN AC (ALTERNATING CURRENT) VOLTAGE SIGNAL ON THE APIM (SYNC MODULE) STEREO OUTPUT CIRCUITS TO THE ACM (AUDIO FRONT CONTROL MODULE)
NOTICE: This pinpoint test step directs testing circuits using a back-probe method. Use the special back-probe tool POM6411. Do not force test leads or other probes into connectors. Adequate care must be exercised to avoid connector terminal damage, while ensuring that good electrical contact is made with the circuit or terminal. Failure to follow these instructions may cause damage to wiring, terminals, or connectors, and may cause subsequent electrical faults.
Access Bezel Diagnostics. REFER to: Bezel Diagnostics (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, General Procedures). While back-probing ACM C240B, measure the AC voltage while performing the Tones Test.
Click to display connectors
Stereo Left
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C240B-12 | C240B-25 |
Click to display connectors
Stereo Right
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.