Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 316 (ENTERTAINMENT SYSTEM)DIAGNOSIS AND TESTINGENTERTAINMENT SYSTEMAUDIO UNIT SELF-DIAGNOSTIC MODENOTES
2004 Ford Econoline E150, Van Cargo, 4.6 W
Audio Unit Self-Diagnostic Mode: Notes
2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Notes
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. 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 on and in tuner mode (AM/FM). The audio unit self-diagnostic mode can only be entered while in the speaker walk-around test.
- To enter the following audio unit self-diagnostic modes, press the preset button desired while in the speaker walk-around test. This will abort the speaker walk-around test and start the selected test.
- The audio unit self-diagnostic mode has five tests available:
- Preset button 1 = Audio internal/external SELF TEST. If SELF FAIL is displayed, press TUNE > to scroll view the stored DTCs. Refer to the AUDIO UNIT DIAGNOSTIC TROUBLE CODE INDEX . If the system is OK, SELF PASS is displayed.
- Preset button 2 = View/clear continuous diagnostic trouble codes (DTCs). NO DTCs is displayed if no DTCs are retrieved. If DTCs FOUND is displayed, press TUNE > button to view the DTCs retrieved. Refer to the AUDIO UNIT DIAGNOSTIC TROUBLE CODE 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 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 and then turn all of the segments off. When the test is complete, DISPLAY TEST is displayed on the bezel.
- Preset button 6 = CONFIG LEVELS. This will show the software configuration for the audio unit. Press TUNE > to scroll view the audio unit software configuration.
NOTE: Always document, clear and carry out the audio unit on-demand self-test again by repeating steps 1 and 2. - To exit the audio unit self-diagnostic mode, turn the ignition switch or the audio unit OFF.
- If the concern remains and a fault is not detected, GO to SYMPTOM CHART .
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.