MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Information and Entertainment Systems

Is a fluctuating AC voltage present?

415-00B General Information -Vehicles With Touchscreen Display

2016 MustangReference 4,403 / 6,619HTML edition
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Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C2385A-7

C2385A-8

415-00B General Information -Vehicles With Touchscreen Display — original illustration 1, reference 4403Original colors & callouts · Select to enlarge

Is a fluctuating AC voltage present?

Yes

GO to L12

No

GO to L7

L7 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 L8

L8 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 L9

Source reference 4403

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.