Component Testing Procedure
WARNING: This page is about a different car, the 2006 Lincoln Navigator and 2006 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
MULTIFUNCTION SWITCH, WIPER/WASHER PORTION COMPONENT TESTING
| Circuit to test | Connect self-powered test light or ohmmeter to terminals | Move switch to these positions | A good switch will indicate |
|---|---|---|---|
| Front washer switch circuit | 4 and 6 | Front washer | Closed circuit |
| Off | Open circuit | ||
| Rear washer switch | 4 and 8 | Rear washer | Closed circuit |
| Off | Open circuit | ||
| Front wiper switch circuit | 4 and 1 | Off | Open circuit |
| Low | Closed circuit | ||
| High | |||
| 4 and 5 | Off | Open circuit | |
| Low | Closed circuit | ||
| High | |||
| 4 and 7 | Off | Open circuit | |
| Low | Closed circuit | ||
| High | |||
| Rear wiper switch circuit | 4 and 8 | Off | Open circuit |
| On | Closed circuit | ||
| 4 and 2 | Off | Open circuit | |
| On | Closed circuit | ||
| Intermittent wiper circuit front | 4 and 1 | Intermittent 1 | Closed circuit |
| Intermittent 2 | |||
| Intermittent 3 | Open circuit | ||
| Intermittent 4 | |||
| Intermittent 5 | |||
| 4 and 3 | Intermittent 1 | Open circuit | |
| Intermittent 2 | Closed circuit | ||
| Intermittent 3 | |||
| Intermittent 4 | |||
| Intermittent 5 | Open circuit | ||
| 4 and 7 | Intermittent 1 | Open circuit | |
| Intermittent 2 | |||
| Intermittent 3 | |||
| Intermittent 4 | Closed circuit | ||
| Intermittent 5 | |||
| Intermittent wiper circuit, rear | 4 and 8 | Intermittent | Open circuit |
| 4 and 2 | Intermittent | Closed circuit |