Audio Control Module (ACM) Self-Diagnostic Mode

NOTE: If the ACM is completely inoperative (does not power up), the part number decal on the ACM chassis can be used to attain the ACM part number.

1. Turn the ACM on.

2. Operate the audio system in radio tuner (AM/FM) mode.

3. Press and hold the eject button, and within 1 second, press the seek up button until the speaker walk-around test begins.
   • The display indicates each speaker as it is tested.

4. NOTE: If the speaker walk test is the only test required, this procedure can be stopped after Step 3 by turning the ACM off or by selecting exit using the audio system control buttons.

   Once the speaker walk-around test is complete, the following information is available through the “BEZEL DIAGNOSTICS” menu using the audio system control buttons:
   
   

   NOTE: The AHU Diagnostics refers to the ACM and EFP Diagnostics refers to the FCIM .

   Menu	Sub-Menu
   AHU	Software Part Number
   	Hardware Part Number
   	Calibration Part Number
   	Radio Signal Strength
   	Sirius ESN
   	All Speaker Test
   EFP	Software Part Number
   	Hardware Part Number
   	Calibration Part Number
   Exit Diagnostics	Exit Diagnostics

   
   

5. To exit the self-diagnostic mode, turn the ACM off.