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 4,425 / 6,619HTML edition
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Positive Lead

Measurement / Action

Negative Lead

C396-1

C396-4

415-00B General Information -Vehicles With Touchscreen Display — original illustration 1, reference 4425Original colors & callouts · Select to enlarge

Is a fluctuating AC voltage present?

Yes

INSTALL a new RHR quarter panel speaker. REFER to: Rear Quarter Panel Speaker (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation).

No

GO to Q2

Q2 CHECK THE AUDIO CIRCUITS TO THE RHR (RIGHT-HAND REAR) QUARTER PANEL SPEAKER FOR A SHORT TO VOLTAGE

Ignition OFF. Disconnect: Audio DSP Module C2385B. Ignition ON. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C396-1

Ground

C396-4

Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

No

GO to Q3

Q3 CHECK THE AUDIO CIRCUITS TO THE RHR (RIGHT-HAND REAR) QUARTER PANEL SPEAKER FOR A SHORT TO GROUND

Ignition OFF. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C396-1

Ground

C396-4

Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to Q4

No

REPAIR the circuit in question.

Source reference 4425

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.