MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Information and Entertainment Systems

Positive Lead Measurement / Action Negative Lead

415-00B General Information -Vehicles With Touchscreen Display

2016 MustangReference 4,509 / 6,619HTML edition
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Ignition OFF. Disconnect: ACM C240B. Ignition ON. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C240B-2

Ground

C240B-15

Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

No

GO to AI2

AI2 CHECK THE LHR (LEFT-HAND REAR) QUARTER PANEL ANC (ACTIVE NOISE CONTROL) MICROPHONE CIRCUITS FOR A SHORT TO GROUND

Ignition OFF. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C240B-2

Ground

C240B-15

Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to AI3

No

REPAIR the circuit in question.

AI3 CHECK THE LHR (LEFT-HAND REAR) QUARTER PANEL ANC (ACTIVE NOISE CONTROL) MICROPHONE CIRCUITS FOR AN OPEN

Disconnect: LHR Quarter Panel ANC Microphone C4828. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C240B-2

C4828-1

C240B-15

C4828-2

Are the resistances less than 3 ohms?

Yes

GO to AI4

No

REPAIR the circuit in question.

Source reference 4509

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.