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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 444 (Information Center And Entertainment System) >> Diagnosis And Testing >> Information and Entertainment System >> Audio Unit Self-Diagnostic Mode

Audio Unit Self-Diagnostic Mode

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The audio unit self-diagnostic mode can only be entered while in the speaker walk-around test.
  1. The audio unit self-diagnostic mode has 5 tests available:
    • Preset button 1 = Audio internal/external SELF-TEST. If SELF FAIL is displayed, press the TUNE button to scroll view the diagnostic trouble codes (DTCs) stored. Refer to the AUDIO CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX . If the system is OK, SELF PASS is displayed.
    • Preset button 2 = View/clear continuous DTCs. NO DTCS is displayed if no DTCs are retrieved. If DTCS FOUND is displayed, press the TUNE button to view the DTCs retrieved. Refer to the AUDIO CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX . To clear all DTCs, press the EJECT button. DTCS CLEAR is displayed.
    • Preset button 3 = SIGNAL TEST. This test measures the average strength at the current tuner setting.
    • Preset button 4 = Software configuration level. This test queries each radio system controller for its software configuration level. SOFT LEVELS is displayed upon completion of the query. Press the TUNE button to scroll view the software configuration version level.
      CONFIGURATIONS AND SOFTWARE LEVELS

      Controller Description Radio Display Example
      Main Main micro software version MAIN ######
      CDSP CDSP micro software version CDSP ######
      ADSP ADSP micro software version ADSP ######
      CD/DJ CD/DJ software version DJ ######
      CD changer CDR software version CD ######
      RICP Rear seat control RICP ######
      RSWC Redundant steering wheel control software version RSWC ######
      EQ EQ ID, model, EQ version EQ ######
    • Preset button 5 = DISPLAY TEST. This test lights all the audio unit display segments for 5 seconds and then turns all segments off. When the test is complete, DISPLAY TEST is displayed on the bezel.
  2. To enter these tests, press the preset button desired while in the speaker walk-around test. This aborts the speaker walk-around test and starts the selected test.
  3. To exit the audio unit self-diagnostic mode, turn the ignition switch or audio unit off.
  4. If the concern remains and the fault is not detected, GO to SYMPTOM CHART .
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