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Speaker Walk-Around Test and Self-Diagnostic Mode

WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The audio unit must be turned on and in tuner mode (AM/FM) to enter the speaker walk-around test or the self-diagnostic mode.
  1. To enter the speaker walk-around test, press and hold the preset buttons 3 and 6 simultaneously for approximately 1 second or more, then release.
  2. The speaker walk-around test mutes all speakers, then applies the currently received station to each speaker for 1.5 seconds. Each speaker is tested and shown in the display as follows:
    • SPEAKER RF
    • SPEAKER LF
    • SPEAKER LR
    • SPEAKER RR
  3. The audio unit checks the body and assembly configuration status. If no configuration is found, NO CONFIG is displayed for 2 seconds.
  4. To exit the speaker walk-around test, turn the ignition switch to the OFF position, turn the audio unit off, or press preset button 1 to enter the self-diagnostic mode.
    5. NOTE: If an error occurs during the radio self-test, the radio status display shows the appropriate failure message and exits the diagnostic mode.
  5. While in the speaker walk-around test, the self-diagnostic mode has 6 manual tests available:
    • Preset button 1 = AUDIO SUBSYSTEM SELF TEST. This test enters diagnosis from the speaker walk-around test.
    • Preset button 2 = VIEW CONTINUOUS DTCS. This test displays any DTCs that have been logged by the audio unit. If the DTCs are related to the concern, GO to the AUDIO UNIT DIAGNOSTIC TROUBLE CODE (DTC) INDEX .
    • Preset button 3 = SIGNAL STRENGTH. This test displays the average signal strength of the currently tuned frequency.
    • Preset button 4 = SOFTWARE CONFIGURATION LEVEL. This test queries each audio unit system controller for its software configuration level.
    • Preset button 5 = RUN DISPLAY TEST. This test illuminates all the display segments for 5 seconds, then turns all segments off.
    • Preset button 6 = VIEW CONFIGURATION STATUS. This test displays the configuration status of the audio unit.
  6. To exit the self-diagnostic mode, turn the ignition switch to the OFF position, or turn the audio unit off.
  7. If the concern remains and the fault is not detected, GO to SYMPTOM CHART .
AUDIO UNIT DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC Description Source Action
B1317 Battery Voltage High Audio Unit DOCUMENT and CLEAR the DTCs. REPEAT the audio unit self-test. If DTC B1317 is retrieved again, REFER to CHARGING SYSTEM - GENERAL INFORMATION to continue diagnosis of the charging system. CLEAR all DTCs. REPEAT the self-test.
B1318 Battery Voltage Low Audio Unit DOCUMENT and CLEAR the DTCs. REPEAT the audio unit self-test. If DTC B1318 is retrieved again, REFER to CHARGING SYSTEM - GENERAL INFORMATION to continue diagnosis of the charging system. CLEAR all DTCs. REPEAT the self-test.
B1342 ECU is Faulted Audio Unit DOCUMENT and CLEAR the DTCs. REPEAT the audio unit self-test. If DTC B1342 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND it to an authorized audio system repair facility. CLEAR all DTCs. REPEAT the self-test after the repair.
B2401 Audio Tape Deck Mechanism Fault Audio Unit DOCUMENT and CLEAR the DTCs. REPEAT the self-test. If DTC B2401 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND it to an authorized audio system repair facility. CLEAR all DTCs. REPEAT the self-test after the repair.
B2405 Audio Disc CD Player Thermal Shutdown Fault Audio Unit Allow the unit to cool. Disregard.
B2406 Audio Disc CD Player Internal Fault Audio Unit DOCUMENT and CLEAR the DTCs. REPEAT the audio unit self-test. If DTC B2406 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND it to an authorized audio system repair facility. CLEAR all DTCs. REPEAT the self-test after the repair.
B2924 Audio Button Stuck Audio Unit DOCUMENT and CLEAR the DTCs. INSPECT the audio unit for a stuck button and REPAIR as necessary. If no concern is found, REPEAT the audio unit self-test. If DTC B2924 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND it to an authorized audio system repair facility. CLEAR all DTCs. REPEAT the self-test after the repair.
B2965 Audio System Speaker Circuit Fault Audio Unit GO to PINPOINT TEST D .
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