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 412 (HVAC CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS - (HYBRID))DIAGNOSIS AND TESTINGCLIMATE 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 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
TERMINALS REFERENCE TABLE
| Move the switch to these positions | Connect an ohmmeter to terminals | A good switch indicates |
|---|---|---|
| MAX A/C | 4 and 1 | Open circuit |
| 4 and 2 | Closed circuit | |
| 4 and 3 | Closed circuit | |
| 4 and 5 | Closed circuit | |
| A/C RECIRC | 4 and 1 | Closed circuit |
| 4 and 2 | Open circuit | |
| 4 and 3 | Closed circuit | |
| 4 and 5 | Closed circuit | |
| A/C | 4 and 1 | Closed circuit |
| 4 and 2 | Open circuit | |
| 4 and 3 | Closed circuit | |
| 4 and 5 | Open circuit | |
| PANEL | 4 and 1 | Open circuit |
| 4 and 4 | Open circuit | |
| 4 and 3 | Closed circuit | |
| 4 and 5 | Open circuit | |
| OFF | 4 and 1 | Open circuit |
| 4 and 2 | Open circuit | |
| 4 and 3 | Open circuit | |
| 4 and 5 | Closed circuit | |
| PANEL/FLOOR | 4 and 1 | Open circuit |
| 4 and 2 | Open circuit | |
| 4 and 3 | Closed circuit | |
| 4 and 5 | Open circuit | |
| FLOOR | 4 and 1 | Open circuit |
| 4 and 2 | Open circuit | |
| 4 and 3 | Closed circuit | |
| 4 and 5 | Open circuit | |
| DEFROST/FLOOR | 4 and 1 | Open circuit |
| 4 and 2 | Closed circuit | |
| 4 and 3 | Closed circuit | |
| 4 and 5 | Open circuit | |
| DEFROST | 4 and 1 | Open circuit |
| 4 and 2 | Closed circuit | |
| 4 and 3 | Closed circuit | |
| 4 and 5 | Open 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.