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 MANUALSFORD2010FOCUS SES, 2D COUPE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTACCESSORIES CONTROL SYSTEMSCOMPONENT TESTINGCOMPONENT TESTINGMAIN LIGHT SWITCHCOMPONENT TESTING PROCEDURE
2010 Ford Focus SES, 2D Coupe, Standard
Component testing procedure
2010 Ford Focus SES, 2D Coupe, StandardSECTION Component testing procedure
MAIN LIGHT SWITCH - COMPONENT TESTING
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Off circuit | 4 and 1 | Off | Closed circuit |
| Park | Open circuit | ||
| Headlamp | Open circuit | ||
| Headlamp circuit | 8 and 1 | Off | Open circuit |
| Park | Open circuit | ||
| Headlamp | Closed circuit | ||
| Park circuit | 3 and 1 | Off | Open circuit |
| Park | Closed circuit | ||
| Headlamp | Open circuit | ||
| Fog circuit | 6 and 1 | Off | Open circuit |
| Fog | 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.