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 MANUALSFORD2010TAURUS SEL, FWDREPAIR AND DIAGNOSISELECTRICALCHARGING SYSTEMSCHARGING SYSTEMDIAGNOSIS AND TESTINGSYMPTOM CHART

2010 Ford Taurus SEL, FWD

Symptom Chart

2010 Ford Taurus SEL, FWDSECTION Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
System voltage high	Engine, generator and battery grounds Wiring, terminals or connectors Battery Generator	Go To PINPOINT TEST A .
System voltage low or battery is discharged	Abnormal ignition-off current drain(s) Engine, generator and battery grounds Positive battery cable Wiring, terminals or connectors Battery Generator	Go To PINPOINT TEST B .
The generator is noisy	Front End Accessory Drive (FEAD) belt Loose bolts/brackets Generator/pulleys	Go To PINPOINT TEST F .
Radio interference	Generator Wiring, terminals or connectors In-vehicle entertainment system	Go To PINPOINT TEST G .
Charging system warning indicator is never/always on	Wiring, terminals or connectors Instrument Cluster (IC) Generator PCM	RETRIEVE Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules. If any charging system DTCs are found, REFER to the DIAGNOSTIC TROUBLE CODE (DTC) CHART . If no charging system DTCs are found, REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .

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.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.