Are the resistances less than 3 ohms?
Yes | GO to U5 |
|---|---|
No | REPAIR the circuit in question. |
U5 CHECK THE AUDIO CIRCUITS TO THE LHR (LEFT-HAND REAR) QUARTER PANEL SPEAKER FOR A SHORT TOGETHER
Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C395-1 | C395-4 |
Is the resistance greater than 10,000 ohms?
Yes | GO to U6 |
|---|---|
No | REPAIR the circuit in question. |
U6 CHECK THE LH (LEFT-HAND) AUDIO SIGNAL FROM THE ACM (AUDIO FRONT CONTROL MODULE) TO THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE
Ignition OFF. Connect: Audio DSP Module C2385B. Disconnect: Audio DSP Module C2385A. Ignition ON. Operate the audio system in AM/ FM mode. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C2385A-7 | C2385A-8 |
Is a fluctuating AC voltage present?
Yes | GO to U12 |
|---|---|
No | GO to U7 |
U7 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:
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.