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 MANUALSFORD2007FUSION SEL, 2.3 Z, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 275 (HVAC CONTROL SYSTEM)DESCRIPTION AND OPERATIONCONTROL COMPONENTSELECTRONIC AUTOMATIC TEMPERATURE CONTROL
2007 Ford Fusion SEL, 2.3 Z, Standard
Electronic Automatic Temperature Control
2007 Ford Fusion SEL, 2.3 Z, StandardSECTION Electronic Automatic Temperature Control
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
The climate control assembly (EATC module) analyzes input from the following major sources:
- Temperature, function and blower selection (made by the vehicle occupants)
- In-vehicle temperature sensor
- Ambient temperature sensor
- Sunload sensor
- Vehicle speed sensor
- Engine coolant temperature sensor
Using these inputs, the climate control assembly determines the correct conditions for the following outputs:
- A/C clutch engagement
- Blower speed
- Temperature blend door position
- Floor/panel mode door position
- Panel/defrost mode door position
- Air inlet mode door position
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.