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 MANUALSMERCURY1991TRACER BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 143 (HVAC SYSTEM - A/C-HEATER SYSTEM - AUTOMATIC)OPERATIONELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULEFLOOR BUTTON
1991 Mercury Tracer Base, 4D Sedan, Automatic
FLOOR Button
1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION FLOOR Button
WARNING: This page is about a different car, the 1996 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
In FLOOR mode, most air will be directed to floor outlets, with a small amount going to side window demisters and defroster nozzle. FLR will be shown in display window.
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.