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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 691 (Entertainment System - General Information -- Excursion & F250-F550 Super Duty) >> Diagnosis And Testing >> Audio System >> Audio Unit Self-Diagnostic Mode

Audio Unit Self-Diagnostic Mode

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. 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 be in tuner mode (AM/FM).
  1. 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.
  2. To exit the audio unit self-diagnostic mode, turn the ignition switch or the audio unit off.
  3. If the concern remains and the fault is not detected, proceed to the Symptom Chart to continue diagnostics.
  4. The audio unit self-diagnostic mode has six tests available:
    • Preset button 1 = Audio internal/external SELF TEST. This test is an on-demand self-test. If SELF FAIL is displayed, press TUNE > to scroll view the DTCs stored. Refer to Audio Unit Diagnostic Trouble Code (DTC) Index  . If the system is OK, SELF PASS will be displayed.
    • Preset button 2 = View/Clear continuous DTCs. NO DTCS is displayed if no DTCs are retrieved. If DTCS FOUND is displayed, press TUNE > to view the DTCs retrieved. Refer to Audio Unit Diagnostic Trouble Code (DTC) Index  . To clear all DTCs, press the EJECT button. DTCS CLEAR will be 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 audio unit system controller for its software configuration level. SOFT LEVELS will be displayed upon completion of the query. Press TUNE > to scroll view the software configuration version level.
    • Preset button 5 = DISPLAY TEST. This test will light all the audio unit display segments for five seconds. When the test is complete, DISPLAY TEST is displayed on the bezel.
    • Preset button 6 = RAM CONTENTS READOUT. To enter these tests, press preset button 1 while in the speaker walk-around test, then the desired preset button.
NOTE: Always document, clear and carry out the audio unit on-demand self-test again.
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