Audio Unit Self-Diagnostic Mode - CD6

WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: To enter the speaker walk-around test or the audio unit self-diagnostic mode, the audio unit must be turned on, and in the radio tuner mode (AM/FM).

To enter the following tests, press the desired preset button while in the speaker walk-around test or while in the audio unit self-diagnostic mode.
To exit the audio unit self-diagnostic mode, turn the ignition switch or the audio unit off.
If the concern remains and the fault is not detected, GO to SYMPTOM CHART to continue diagnosis.
The self-diagnostic mode has 6 manual tests available:
- Preset button 1 = ENTER DIAGNOSTICS. This test enters the audio self-test from the speaker walk-around test. Press the tune > button after the audio self-test to display the diagnostic trouble codes.
- Preset button 2 = View continuous DTCs. Press the tune > button to scroll through the DTCs.
- Preset button 3 = SIGNAL STRENGTH.
- Preset button 4 = Software configuration level. This test queries each radio system controller for its software configuration level. Press the tune > button to scroll through the software levels.
- Preset button 5 = DISPLAY TEST. This test lights all the display segments for 5 seconds and then turns all segments off.
- Preset button 6 = MODULE CONFIGURATION. Press the tune > button to scroll through the configuration list.
To exit the self-diagnostic mode, turn the ignition switch off or the audio unit off.
If the concern remains and the fault is not detected, GO to SYMPTOM CHART to continue diagnosis.