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 MANUALSFORD2009RANGER 2D PICKUP, 2.3 D, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 173 (COMPONENT TESTING)COMPONENT TESTINGMULTIFUNCTION SWITCHCOMPONENT TESTING PROCEDURE
2009 Ford Ranger 2D Pickup, 2.3 D, Automatic
Component testing procedure
2009 Ford Ranger 2D Pickup, 2.3 D, AutomaticSECTION Component testing procedure
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT TESTING PROCEDURE
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Washer switch circuit | 2 and 5 | Washer switch depressed | Closed circuit |
| Wiper switch circuit | 6 and 5 | Off | Open circuit |
| High | Closed circuit | ||
| Low | Closed circuit | ||
| 1 and 5 | Off | Closed circuit | |
| High | Closed circuit | ||
| Law | Open circuit | ||
| 4 and 5 | Off | Open circuit | |
| High | Closed circuit | ||
| Low | Closed circuit | ||
| Intermittent wiper circuit | 6 and 5 | Interval 1 | Open circuit |
| Interval 2 | Open circuit | ||
| Interval 3 | Open circuit | ||
| Interval 4 | Closed circuit | ||
| Interval 5 | Closed circuit | ||
| 3 and 5 | Interval 1 | Open circuit | |
| Interval 2 | Closed circuit | ||
| Interval 3 | Closed circuit | ||
| Interval 4 | Closed circuit | ||
| Interval 5 | Open circuit | ||
| 4 and 5 | Interval 1 | Closed circuit | |
| Interval 2 | Closed circuit | ||
| Interval 3 | Open circuit | ||
| Interval 4 | Open circuit | ||
| Interval 5 | Open circuit |
COMPONENT TESTING PROCEDURE
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| High beam | 9 and 10 | High beam | Closed circuit |
| Flash-to-pass | Open circuit | ||
| Low beam | Open circuit | ||
| Low beam/Flash-to-pass | 11 and 10 | High beam | Open circuit |
| Flash-to-pass | Closed circuit | ||
| Low beam | Open circuit |
COMPONENT TESTING PROCEDURE
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Tun signal | 1 and 2 (C202a) | Left turn, Hazard off | Closed circuit |
| 1 (C202a) and 2 (C202c) | |||
| 4 and 5 (C202a) | |||
| 4 (C202a) and 2 (C202c) | Right turn, Hazard off | Closed circuit | |
| 1 and 5 (C202a) | |||
| 1 and 3 (C202a) | |||
| Stoplamps | 9 and 10 (C202a) | Turn signal switch in neutral, Hazard off | Closed circuit |
| 4 (C202a) and 2 (C202c) | |||
| 4 and 5 (C202a) | |||
| Hazard | 6 and 10 (C202a) | Hazard on, Turn signal switch in neutral | Closed circuit |
| 1 and 2 (C202a) | |||
| 1 (C202a) and 2 (C202c) | |||
| 1 and 5 (C202a) | |||
| 1 and 3 (C202a) | |||
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.