MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Information and Entertainment Systems

Possible Sources

415-00A General Information -Vehicles With AM-FM-CD-SYNC

2016 MustangReference 4,165 / 6,619HTML edition
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Description

Fault Trigger Conditions

B1A03:13 Speaker #3: Circuit

Open

Set by the ACM when an open is detected on the right parcel shelf speaker circuits.

DTC

Possible Sources

Speaker Wiring, terminals, or connectors ACM

PINPOINT TEST M : THE RIGHT PARCEL SHELF SPEAKER IS INOPERATIVE (COUPE)

M1 CHECK THE AUDIO SIGNAL TO THE RIGHT PARCEL SHELF SPEAKER

Ignition OFF. Disconnect: Right Parcel Shelf Speaker C485. Operate the audio system in AM/ FM mode. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C485-1

C485-4

415-00A General Information -Vehicles With AM-FM-CD-SYNC — original illustration 1, reference 4165Original colors & callouts · Select to enlarge

Is a fluctuating AC voltage present?

Yes

INSTALL a new right parcel shelf speaker. REFER to: Parcel Shelf Speaker (415-00A Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC, Removal and Installation).

No

GO to M2

M2 CHECK THE AUDIO CIRCUITS TO THE RIGHT PARCEL SHELF SPEAKER FOR A SHORT TO VOLTAGE

Ignition OFF. Disconnect: ACM C240A. Ignition ON. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C485-1

Ground

C485-4

Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

No

GO to M3

Source reference 4165

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.