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 MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 970 (CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS - (EXCEPT HYBRID))DIAGNOSTIC TESTSCLIMATE CONTROL SYSTEMCOMPONENT TESTSSWITCH - FUNCTION SELECTOR
2010 Mercury Mariner Hybrid, AWD
Switch - Function Selector
2010 Mercury Mariner Hybrid, AWDSECTION Switch - Function Selector
WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
| Move the switch to these positions | Connect an ohmmeter to terminals | A good switch indicates |
|---|---|---|
| MAX A/C | 2 and 1 2 and 4 |
Closed circuit Closed circuit |
| NORMAL | 2 and 1 2 and 4 |
Closed circuit Closed circuit |
| PANEL | 2 and 4 2 and 1 |
Open circuit Closed circuit |
| OFF | 2 and 4 2 and 1 |
Open circuit Open circuit |
| PANEL/FLOOR | 2 and 4 2 and 1 |
Open circuit Closed circuit |
| FLOOR | 2 and 4 2 and 1 |
Open circuit Closed circuit |
| DEFROST/ FLOOR | 2 and 4 2 and 1 |
Closed circuit Closed circuit |
| DEFROST | 2 and 4 2 and 1 |
Closed circuit Closed circuit |
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.