MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Information and Entertainment Systems

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

415-00B General Information -Vehicles With Touchscreen Display

2016 MustangReference 4,490 / 6,619HTML edition
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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 AF7

No

GO to AF22

AF7 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 AF8

No

GO to AF21

AF8 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 Information - Vehicles With: Touchscreen Display, Removal and Installation). Ignition ON. Measure:

Positive Lead

Measurement / Action

Negative Lead

Satellite radio antenna coaxial cable core at the ACM

Ground

Satellite radio antenna coaxial cable shield at the ACM

Ground

Is any voltage present?

Source reference 4490

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.