The LHF Door Midwoofer Speaker Is Inoperative (except 5.2L)

module connections. ADDRESS the root cause of any connector or pin issues.

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.

The LHF door midwoofer speaker and LHF A-pillar tweeter speaker share the same audio signal.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Conditions DTC Type B13F9:13 Audio Input 3: Set by the audio DSP module when an open is detected on the Continuous Circuit Open LH audio signal circuits from the ACM to the audio DSP module. B1A03:01 Speaker #3: Set by the audio DSP module when a failure is detected on the On-demand General Electrical LHF door midwoofer or LHF A-pillar tweeter speaker circuits. Failure B1A03:11 Speaker #3: Circuit Set by the audio DSP module when a short to ground is Continuous and Short To Ground detected on the LHF door midwoofer or LHF A-pillar tweeter on-demand speaker circuits. When DTC B1A03:11 is set, the speaker output is disabled. B1A03:12 Speaker #3: Circuit Set by the audio DSP module when a short to voltage is Continuous and Short To Battery detected on the LHF door midwoofer or LHF A-pillar tweeter on-demand speaker circuits. When DTC B1A03:12 is set, the speaker output is disabled. B1A03:13 Speaker #3: Circuit Set by the audio DSP module when an open is detected on the On-demand Open LHF door midwoofer or LHF A-pillar tweeter speaker circuits.

Original table alignment retained · Scroll horizontally if needed

Possible Sources

Speaker Wiring, terminals, or connectors ACM Audio DSP module

PINPOINT TEST K : THE LHF (LEFT-HAND FRONT) DOOR MIDWOOFER SPEAKER IS INOPERATIVE

(EXCEPT 5.2L)

K1 CHECK THE AUDIO SIGNAL TO THE LHF (LEFT-HAND FRONT) DOOR MIDWOOFER SPEAKER

Ignition OFF. Disconnect: LHF Door Midwoofer Speaker C513. Operate the audio system in AM/ FM mode. Measure:

Click to display connectors

Source reference 4395

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.