MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Information and Entertainment Systems

Positive Lead Measurement / Action Negative Lead

415-00A General Information -Vehicles With AM-FM-CD-SYNC

2016 MustangReference 4,157 / 6,619HTML edition
← Chapter contents

J2 CHECK THE AUDIO CIRCUITS TO THE RHF (RIGHT-HAND FRONT) A-PILLAR TWEETER SPEAKER FOR A SHORT TO VOLTAGE

Ignition OFF. Disconnect: ACM C240A. Disconnect: RHF Door Speaker C612. Ignition ON. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C9065-1

Ground

C9065-3

Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

No

GO to J3

J3 CHECK THE AUDIO CIRCUITS TO THE RHF (RIGHT-HAND FRONT) A-PILLAR TWEETER SPEAKER FOR A SHORT TO GROUND

Ignition OFF. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C9065-1

Ground

C9065-3

Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to J4

No

REPAIR the circuit in question.

J4 CHECK THE AUDIO CIRCUITS TO THE RHF (RIGHT-HAND FRONT) A-PILLAR TWEETER SPEAKER FOR AN OPEN

Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C9065-1

C240A-23

C9065-3

C240A-11

Are the resistances less than 3 ohms?

Source reference 4157

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.