Audio Front Control Module (ACM) Self-Test

For information on Ford Color Coded Illustrations refer to OEM Color Coding .

Check

NOTE: This procedure can be used to obtain the ACM part number. If the ACM diagnostics cannot be accessed because of an inoperative ACM (blank or does not power on), obtain the ACM part number by referencing the label attached to the ACM. Refer to Information and Entertainment System to diagnose the inoperative ACM.

Ignition ON.
Operate the audio system in AM/ FM mode.

Simultaneously press and hold buttons 1 and 6 until the Speaker Walk-Around Test begins. The display indicates each speaker as it is tested.

Before the Speaker Walk-Around Test is complete, the following actions can be carried out:

Preset Button Press	Diagnostic Function	Diagnostic Function Description
1	On-Demand Self-Test	The ACM carries out a self-test. At the end of the self-test, the display indicates either SELF PASS or SELF FAIL. If the self-test fails, access and scroll through the Diagnostic Trouble Codes (DTCs) by pressing the SEEK UP or SEEK DOWN buttons.
2	View Continuous Diagnostic Trouble Codes (DTCs)	The ACM displays DTCs FOUND if Diagnostic Trouble Codes (DTCs) are present. Scroll through the Diagnostic Trouble Codes (DTCs) by pressing the SEEK UP or SEEK DOWN buttons. If no Diagnostic Trouble Codes (DTCs) are present, the ACM displays NO DTCs. To clear Diagnostic Trouble Codes (DTCs), press the MENU button.
3	AM/ FM Test 1	The ACM displays the AM/ FM antenna signal strength. To view the AM signal strength, the audio system must be in AM radio tuner mode before entering bezel diagnostics. To view the FM signal strength, the audio system must be in FM radio tuner mode before entering bezel diagnostics. If no antenna is present, a signal strength of 0 is displayed.
4	Part Numbers and Software Levels	The ACM displays part numbers and software levels. If number is longer than 12 characters, use the SEEK UP or SEEK DOWN buttons to scroll.
5	Display Test	All of the ACM display segments illuminate for 10 seconds.
7	BT SW Version (if equipped)	The ACM displays the current Bluetooth software version being used.

To exit the bezel diagnostics, turn the ACM off, or select "Exit Diagnostics."