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.
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HOMESERVICE MANUALSFORD2009FUSION SEL, 3.0 1, FWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1367 (HVAC CLIMATE CONTROL SYSTEM - GENERAL INFORMATION & DIAGNOSTICS)DESCRIPTION AND OPERATIONCLIMATE CONTROL SYSTEMSYSTEM AIRFLOW DESCRIPTION - ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC)AUTOMATIC
2009 Ford Fusion SEL, 3.0 1, FWD
System Airflow Description - Electronic Automatic Temperature Control (EATC): Automatic
2009 Ford Fusion SEL, 3.0 1, FWDSECTION Automatic
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
When AUTOMATIC is selected:
NOTE:
If conditions require heat, until the engine is at operating temperature, the blower motor will operate in low and airflow will be directed to the defroster ducts.
- The air inlet door vacuum control motor is automatically controlled depending on airflow location and desired temperature.
- The panel door and floor/defrost door vacuum control motors are automatically controlled depending on desired temperature.
- Blended air temperature is available.
- The A/C compressor will operate if the outside air temperature is above approximately 4°C (39°F).
- Blower motor speed is automatically controlled. If the fan speed override button is pressed in AUTOMATIC mode, the fan speed will no longer be automatically controlled.
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.