MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Information and Entertainment Systems

AG6 CHECK FOR ACM (AUDIO FRONT CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE)

415-00B General Information -Vehicles With Touchscreen Display

2016 MustangReference 4,499 / 6,619HTML edition
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Is the voltage between 4.7 and 5.8 volts?

Yes

REPAIR or INSTALL a new satellite radio/GPS splitter/cable assembly. REFER to: Audio Unit Antenna Cable (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation).

No

GO to AG22

AG6 CHECK FOR ACM (AUDIO FRONT CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B1A89:11 OR DTC (DIAGNOSTIC TROUBLE CODE) B1A89:13

Ignition ON. Using a diagnostic scan tool, clear the ACM Diagnostic Trouble Codes (DTCs). Using a diagnostic scan tool, perform the ACM self-test.

Is DTC B1A89:11 or DTC B1A89:13 set in the ACM?

Yes

GO to AG7

No

GO to AG22

AG7 CHECK FOR CORRECT ACM (AUDIO FRONT CONTROL MODULE) OUTPUT VOLTAGE FROM THE SATELLITE RADIO COAXIAL CABLE CONNECTION

Ignition OFF. Disconnect: Satellite radio antenna coaxial cable from the ACM. REFER to: Audio Front Control Module (ACM) (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation). Ignition ON. Measure:

Click to display connectors

Positive Lead

Measurement /

Action

Negative Lead

Satellite radio antenna coaxial cable core at the ACM (component side)

Ground

Is the voltage between 4.4 and 5.5 volts?

Yes

GO to AG8

No

GO to AG21

AG8 CHECK THE FRONT SATELLITE RADIO ANTENNA COAXIAL CABLE CORE AND SHIELD FOR A SHORT TO VOLTAGE

Ignition OFF. Disconnect: Satellite radio antenna coaxial cable from the ACM. REFER to: Audio Front Control Module (ACM) (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation). Disconnect: Satellite radio/GPS antenna inline coaxial cable connection behind the LH lower cowl trim panel. REFER to: Audio Unit Antenna Cable (415-00B Information and Entertainment System - General

Source reference 4499

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.