MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Information and Entertainment Systems

Q7 CHECK THE RH (RIGHT-HAND) AUDIO SIGNAL FROM THE ACM (AUDIO FRONT CONTROL

415-00B General Information -Vehicles With Touchscreen Display

2016 MustangReference 4,427 / 6,619HTML edition
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No

GO to Q7

Q7 CHECK THE RH (RIGHT-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-3

Ground

C2385A-4

Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

No

GO to Q8

Q8 CHECK THE RH (RIGHT-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-3

Ground

C2385A-4

Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to Q9

No

REPAIR the circuit in question.

Q9 CHECK THE RH (RIGHT-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-3

C240A-11

C2385A-4

C240A-23

Source reference 4427

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.