Is the voltage between 3.5 and 5 volts?
Yes | GO to S7 |
|---|---|
No | GO to S4 |
S4 CHECK THE SUBWOOFER AMPLIFIER ENABLE CIRCUIT FOR A SHORT TO VOLTAGE
Ignition OFF. Disconnect: Subwoofer Amplifier C4109A. Disconnect: Audio DSP Module C2385B. Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C4109A-1 | Ground |
Is any voltage present?
Yes | REPAIR the circuit. |
|---|---|
No | GO to S5 |
S5 CHECK THE SUBWOOFER AMPLIFIER ENABLE CIRCUIT FOR A SHORT TO GROUND
Ignition OFF. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C4109A-1 | Ground |
Is the resistance greater than 10,000 ohms?
Yes | GO to S6 |
|---|---|
No | REPAIR the circuit. |
S6 CHECK THE SUBWOOFER AMPLIFIER ENABLE CIRCUIT FOR AN OPEN
Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C4109A-1 | C2385B-9 |
Is the resistance less than 3 ohms?
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.