MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Information and Entertainment Systems

K7 CHECK THE LH (LEFT-HAND) AUDIO SIGNAL FROM THE ACM (AUDIO FRONT CONTROL

415-00B General Information -Vehicles With Touchscreen Display

2016 MustangReference 4,398 / 6,619HTML edition
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No

GO to K7

K7 CHECK THE LH (LEFT-HAND) AUDIO SIGNAL FROM THE ACM (AUDIO FRONT CONTROL MODULE) TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR A SHORT TO VOLTAGE

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

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C2385A-7

Ground

C2385A-8

Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

No

GO to K8

K8 CHECK THE LH (LEFT-HAND) AUDIO SIGNAL FROM THE ACM (AUDIO FRONT CONTROL MODULE) TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR A SHORT TO GROUND

Ignition OFF. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C2385A-7

Ground

C2385A-8

Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to K9

No

REPAIR the circuit in question.

K9 CHECK THE LH (LEFT-HAND) AUDIO SIGNAL FROM THE ACM (AUDIO FRONT CONTROL MODULE) TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE FOR AN OPEN

Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C2385A-7

C240A-10

C2385A-8

C240A-22

Source reference 4398

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.