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HOMESERVICE MANUALSFORD2007FUSION SEL, 2.3 Z, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 163 (CHARGING SYSTEM - GENERAL INFORMATION)DIAGNOSIS AND TESTINGCHARGING SYSTEMSYMPTOM CHART
2007 Ford Fusion SEL, 2.3 Z, Standard

Symptom Chart

2007 Ford Fusion SEL, 2.3 Z, StandardSECTION Symptom Chart
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
  • The battery is discharged or battery voltage is low
  • Circuitry
  • Positive battery cable
  • Generator B+ circuit 38 (BK/OG) high resistance
  • Engine, generator and battery grounds
  • High key-off current drain(s)
  • Battery
  • Generator
  • The charging system warning indicator is on with the engine running (the charging system voltage does not increase)
  • Battery junction box (BJB) fuse 18 (10A)
  • Circuitry
  • Generator
  • Powertrain control module (PCM)
  • The charging system overcharges (battery voltage is greater than 15.5 volts)
  • Circuitry
  • Generator
  • Powertrain control module (PCM)
  • The charging system warning indicator is on with the engine running and the battery increases voltage
  • Generator
  • Instrument cluster
  • Powertrain control module (PCM)
  • The charging system warning indicator is off with the ignition switch in the RUN position and the engine off
  • Instrument cluster
  • Powertrain control module (PCM)
  • The charging system warning indicator flickers or is intermittent
  • Instrument cluster
  • INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER for the removal and installation procedure.
  • The generator is noisy
  • Loose bolts/brackets
  • Drive belt
  • Generator/pulley
  • Radio interference
  • Generator
  • In-vehicle entertainment system
RENDER: 1.0x

NO RELATED

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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.