Audio Unit Self-Diagnostic Mode - Single CD/Dual Media
WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 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 audio unit self-diagnostic mode, the audio unit must be turned on and in 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, proceed to the Symptom Chart to continue diagnostics.
- The self-dagnostic mode has 6 manual tests available:
- Preset button 1 = ENTER DIAGNOSTICS. This test enters diagnostics from the speaker walk-around test.
- Preset button 2 = EEPROM BLOCK STATUS. This test shows validity of memory to calibrate clock and seek sensitivity.
- Preset button 3 = EXIT DIAGNOSTICS.
- Preset button 4 = Software configuration level. This test queries each radio system controller for its software configuration level.
- Preset button 5 = DISPLAY TEST. This test lights all the display segments. Press preset button 1 to return to the diagnostic mode.
- Preset button 6 = RAM CONTENTS READOUT.
- 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, proceed to the Symptom Chart to continue diagnostics.