Symptom Chart

2007 Ford Fusion SEL, 2.3 Z, StandardSECTION Symptom Chart
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
  • No communication with the audio unit
  • Circuitry
  • Audio unit
  • The audio unit is inoperative/does not operate correctly
  • Fuse(s)
  • Circuitry
  • Audio unit
  • The CD changer is inoperative/does not operate correctly
  • Fuse
  • Circuitry
  • Audio unit
  • Audio corporate protocol (ACP) module
  • CD changer
  • Poor reception
  • Antenna
  • Antenna connections
  • Noise suppression equipment
  • Audio unit
  • 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
  • Speaker(s)
  • Circuitry
  • Audio unit
  • Poor quality/distorted sound from one or more speakers (not all)
  • Speaker(s)
  • Circuitry
  • Audio unit
  • Poor quality/distorted sound from all speakers
  • Circuitry
  • Antenna
  • Antenna cable
  • Radio frequency interference suppression equipment
  • Ignition system
  • Charging system
  • Audio unit
  • The subwoofer is inoperative
  • Fuse
  • Circuitry
  • Subwoofer
  • Subwoofer amplifier
  • Audio unit
  • Loud popping sound when cycling the ignition switch
  • Circuitry
  • Subwoofer amplifier
  • Audio unit
  • The navigation system is inoperative
  • Fuse(s)
  • Circuitry
  • Audio unit
  • The navigation system does not operate correctly - no reverse tracking
  • Circuitry
  • Audio unit
  • The navigation system does not operate correctly - no speedometer signal
  • Circuitry
  • Audio unit
  • Anti-lock brake system (ABS) module
  • The navigation system does not operate correctly - no global positioning system (GPS) antenna signal
  • Audio unit
  • GPS antenna
  • The navigation system does not operate correctly - the display screen is inoperative
  • Fuse(s)
  • Circuitry
  • Audio unit
  • The navigation system does not operate correctly - the navigation system is inaccurate
  • Circuitry
  • Map compact disc (CD)
  • Calibration
  • Audio unit
  • The navigation system does not operate correctly - the fuel economy and energy flow screens do not display real time data
  • Circuitry
  • Audio control protocol (ACP) module
  • Instrument cluster
  • The navigation system does not operate correctly - the fuel economy and energy flow screens cannot be selected or do not remain selected
  • Circuitry
  • Audio control protocol (ACP) module
RENDER: 1.0x

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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.