MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Information and Entertainment Systems

Positive Lead Measurement / Action Negative Lead

415-00A General Information -Vehicles With AM-FM-CD-SYNC

2016 MustangReference 4,176 / 6,619HTML edition
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Ignition OFF. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C240B-12

Ground

C240B-13

Ground

C240B-25

Ground

C240B-26

Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to Q5

No

REPAIR the circuit in question.

Q5 CHECK THE APIM (SYNC MODULE) STEREO OUTPUT CIRCUITS TO THE ACM (AUDIO FRONT CONTROL MODULE) FOR AN OPEN

Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C240B-12

C2383-23

C240B-13

C2383-25

C240B-25

C2383-24

C240B-26

C2383-26

Are the resistances less than 3 ohms?

Yes

GO to Q6

No

REPAIR the circuit in question.

Q6 CHECK THE APIM (SYNC MODULE) STEREO OUTPUT CIRCUITS TO THE ACM (AUDIO FRONT CONTROL MODULE) FOR A SHORT TOGETHER

Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C240B-12

C240B-13

C240B-12

C240B-25

C240B-12

C240B-26

C240B-13

C240B-25

C240B-13

C240B-26

C240B-25

C240B-26

Source reference 4176

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.