Is the voltage greater than 11 volts?
Yes | GO to A8 |
|---|---|
No | GO to A6 |
A6 CHECK THE AM (AMPLITUDE MODULATION) SIGNAL AMPLIFIER CIRCUIT FOR A SHORT TO GROUND
Ignition OFF. Disconnect: ACM C240A. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C4082-1 | Ground |
Is the resistance greater than 10,000 ohms?
Yes | GO to A7 |
|---|---|
No | REPAIR the circuit. |
A7 CHECK THE AM (AMPLITUDE MODULATION) SIGNAL AMPLIFIER CIRCUIT FOR AN OPEN
Ignition OFF. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C4082-1 | C240A-2 |
Is the resistance less than 3 ohms?
Yes | GO to A22 |
|---|---|
No | REPAIR the circuit. |
A8 CHECK THE FRONT AM (AMPLITUDE MODULATION) / FM (FREQUENCY MODULATION) ANTENNA COAXIAL CABLE CORE AND SHIELD FOR A SHORT TO VOLTAGE
Ignition OFF. Disconnect: AM/ FM antenna coaxial cable from the ACM. REFER to: Audio Front Control Module (ACM) (415-00A Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC, Removal and Installation). Disconnect: AM/ FM antenna inline coaxial cable connection underneath the center console. REFER to: Floor Console (501-12 Instrument Panel and Console, Removal and Installation). 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.