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Symptom Chart

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM

Condition Possible Sources Action
  • The audio unit display is blank - audio unit operates
  • Audio unit.
  • REMOVE the audio unit and SEND it to an authorized audio system repair facility. TEST the system for normal operation.
  • The audio unit/tape player display is blank - the audio unit/tape player operates
  • Audio unit.
  • REMOVE the audio unit and SEND it to an authorized audio system repair facility. TEST the system for normal operation.
  • The cassette player only is inoperative-DM100
  • Audio unit.
  • REMOVE the audio unit and SEND it to an authorized audio system repair facility. TEST the system for normal operation.
  • During CD mode, the audio unit display shows: NO CD
  • No CD found.
  • NO CD is displayed when a CD is not found in a slot. REFER to owner literature for audio system features.
  • One or more audio control buttons (such as volume, seek, tune and scan) is not functional in either radio, tape mode or all modes - audio unit display functions correctly
  • Audio unit.
  • REMOVE the audio unit and SEND it to an authorized audio system repair facility. TEST the system for normal operation.
  • When the headlamp switch is in PARK or ON position, there is no front audio unit backlighting - all other backlighting functions are normal
  • Circuitry.
  • Audio unit.
  • The audio unit is inoperative/does not operate correctly
  • Central junction box (CJB) fuse(s):
    • 3 (20A).
    • 28 (5A).
    • PTC1 (6A).
  • Circuitry.
  • Audio unit.
  • Ignition switch.
  • Poor reception
  • Antenna.
  • Antenna connections.
  • Noise suppression equipment.
  • Audio unit.
  • Generator.
  • Continuous SEEK/SCAN in AM/FM
  • Antenna.
  • Antenna connections.
  • Noise suppression equipment.
  • Audio unit.
  • No sound from one or more of the speakers (not all speakers)
  • Speaker(s).
  • Circuitry.
  • Audio unit.
  • No sound from all speakers
  • Audio unit.
  • Poor quality/distorted sound from one or more speakers (not all speakers)
  • Speaker(s).
  • Circuitry.
  • Audio unit.
  • Poor quality/distorted sound from all speakers
  • Audio unit.
  • The subwoofer is inoperative (CD6 only)
  • Central junction box (CJB) fuse 3 (20A).
  • Circuitry.
  • Subwoofer.
  • Subwoofer amplifier.
  • Audio unit.
  • Loud popping sound from speaker(s)
  • Circuitry.
  • Subwoofer amplifier.
  • Audio unit.
  • The auxiliary audio control is inoperative - steering wheel audio control switch (es)
  • Circuitry.
  • Steering wheel control switch(es).
  • Steering wheel control switch harness.
  • Powertrain control module (PCM).
  • Audio unit.
  • The audio unit does not operate correctly - speed sensitive volume (SSV) (CD6 only)
  • Circuitry.
  • Audio unit.
  • The video system is inoperative
  • Central junction box (CJB) fuse 3 (20A).
  • Circuitry.
  • Digital versatile disc (DVD) unit.
  • The video system does not operate correctly-no sound from one or more speakers, not all speakers
  • Central junction box (CJB) fuse 3 (20A).
  • Circuitry.
  • Digital versatile disc (DVD) unit.
  • Audio unit.
  • The video system does not operate correctly - Remote control does not function correctly
  • Incorrect remote.
  • Batteries.
  • Remote control.
  • DVD unit.
  • MAKE sure that the correct remote is being used.
  • INSTALL new batteries. If concern is still present, REPLACE the remote. If concern is still present, REPLACE the DVD unit. REFER to DIGITAL VERSATILE DISC (DVD) PLAYER . TEST the system for normal operation.
  • The video system does not operate correctly - Disc cannot be played ("Reading", "No Disc" or "The region coding of this disc does not match that of the player" displayed on screen.)
  • Disc.
  • DVD unit.
  • CHECK the disc for scratches, fingerprints, debris or other damage.
  • CHECK the disc for a loose or peeling label.
  • CHECK the disc and make sure it is a region 1 disc.
  • INSTALL a known good disc and TEST the system for normal operation. If concern is still present, INSTALL a new DVD unit. REFER to DIGITAL VERSATILE DISC (DVD) PLAYER . TEST the system for normal operation.
  • The video system does not operate correctly - Distorted picture, picture freezes or skips
  • Disc.
  • DVD unit.
  • CHECK the disc for scratches, fingerprints, debris or other damage.
  • CHECK the disc for a loose or peeling label.
  • INSTALL a known good disc and TEST the system for normal operation. If concern is still present, INSTALL a new DVD unit. REFER to DIGITAL VERSATILE DISC (DVD) PLAYER . TEST the system for normal operation.
  • The video system does not operate correctly - No picture
  • Disc.
  • Circuitry.
  • DVD unit.
  • PRESS the source button (screen is blank in Auxiliary mode with no video souce connected). TEST the system for normal operation. If concern is still present, INSTALL a new DVD unit. REFER to DIGITAL VERSATILE DISC (DVD) PLAYER . TEST the system for normal operation.
  • The video system doe not operate correctly - Disc will not eject
  • Disc.
  • DVD unit.
  • PRESS the eject button (on the DVD player) if the remote has failed.
  • If disc does not eject, TURN the unit off and back on and retry. If the concern is still present, INSTALL a new DVD unit. REFER to DIGITAL VERSATILE DISC (DVD) PLAYER . TEST the system for normal operation.
  • The video system does not operate correctly - No speaker audio (while operating the video system)
  • Circuitry.
  • DVD unit.
  • For no audio, PRESS the speaker button and increase the volume on the audio unit and the DVD player. If still no sound, PRESS the source button (no sound in Auxiliary mode without an audio device connected). TEST the system for normal operation.
  • If the concern is still present, turn the system off and then back on, TEST the system for normal operation.
  • If concern is still present, INSTALL a new DVD unit. REFER to DIGITAL VERSATILE DISC (DVD) PLAYER . TEST the system for normal operation.
  • The video system does not operate correctly - Poor sound when using video system
  • Circuitry.
  • DVD unit.
  • CONNECT headphones to the system. If the sound from the headphones is the same as the vehicle audio unit system, INSTALL a new DVD unit. REFER to DIGITAL VERSATILE DISC (DVD) PLAYER . TEST the system for normal operation.
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