NOTE: The audio unit must be in radio mode before entering the Self-Diagnostic Mode.
1. To enter the audio unit Self-Diagnostic Mode, switch the audio unit ON. Within four seconds depress the preset buttons 3 and 6 together.
2. Release the preset buttons 3 and 6 and the audio unit will enter the Self-Diagnostic Mode.
3. The Self-Diagnostic Mode will automatically stop after one iterration or to interrupt it , switch the audio unit OFF.
Self-Diagnostic Mode
4. If the cause is not evident after the Self-Diagnostic Mode, connect the Ford approved diagnostic tool to the data link connector (DLC).