Audio Control Module (ACM) Self-Diagnostic Mode (Except Navigation)

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: To enter the audio control module (ACM) self-diagnostic mode, the ACM must be turned on and in radio tuner (AM/FM) mode.

To enter the following tests, press the desired preset button while in the speaker walk-around test or while in the ACM self-diagnostic mode.
The self-diagnostic mode has the following functions available:
- Preset button 1 = On-Demand Self-Test. This button runs the on-demand self-test.
  - Rotating the TUNE dial allows scrolling of any DTCs found during the test while in this menu.
- Preset button 2 = Display Continuous DTCs. This button enables viewing of any continuous DTCs that have been logged.
  - Rotating the TUNE dial allows scrolling of any DTCs while in this menu.
  - While continuous DTCs are being displayed, pressing the EJECT button will clear all present DTCs.
- Preset button 3 = Signal Strength Test. This button displays the antenna signal strength.
- Preset button 4 = Software Version Display. This button displays the ACM software version.
  - Rotating the TUNE dial allows scrolling of all audio subsystem software versions while in this menu.
- Preset button 5 = Display Test. This test illuminates all the display segments for 5 seconds, then turns all segments off.
- Preset button 6 = Configuration Status. This button enables ACM configuration status.
  - Rotating the TUNE dial displays the ACM part number while in this menu.
To exit the self-diagnostic mode, turn the ACM off or turn the key to OFF.
If the concern remains and the fault is not detected, go to Symptom Chart - Audio System to continue diagnostics.