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.
2003 Ford ZX2 AutomaticFACTORY OEM SERVICE PROCEDURE
Component Testing Procedure
WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
MASTER WINDOW/DOOR LOCK/UNLOCK 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 |
|---|---|---|---|
| Power and Ground Checks Before Any Other Tests | 10 and 7 10 and 12 11 and 9 11 and 14 |
All window switches - at test | Open circuit |
| 9 and 15 14 and 8 7 and 13 12 and 6 |
All window switches at test | Closed circuit | |
| Left front window circuit | 10 and 6 | Up | Closed circuit |
| 10 and 13 | Down | Closed circuit | |
| Right front window circuit | 11 and 8 | Up | Closed circuit |
| 11 and 15 | Down | Closed circuit |
MASTER WINDOW/DOOR LOCK/UNLOCK 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 |
|---|---|---|---|
| Lock Switch Circuit | 3 and 2 | Lock | Closed circuit |
| 1 and 4 | Lock | Closed circuit | |
| Rest | Closed circuit | ||
| Unlock Switch Circuit | 3 and 4 | Unlock | Closed circuit |
| 5 and 2 | Rest | Closed circuit |
MASTER WINDOW/DOOR LOCK/UNLOCK 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 |
|---|---|---|---|
| Up Switch Circuit | 3 and 5 | Up | Closed circuit |
| 4 and 1 | Up | Closed circuit | |
| Rest | Closed circuit | ||
| Down Switch Circuit | 3 and 1 | Down | Closed circuit |
| 2 and 5 | Down | Closed circuit | |
| Rest | Closed circuit |
MASTER WINDOW/DOOR LOCK/UNLOCK 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 |
|---|---|---|---|
| Lock Switch Circuit | 8 and 9 | Lock | Closed circuit |
| 7 and 10 | Lock | Closed circuit | |
| Rest | Closed circuit | ||
| Unlock Switch Circuit | 8 and 7 | Unlock | Closed circuit |
| 6 and 9 | Unlock | Closed circuit | |
| Rest | Closed circuit |
Factory Service Tools
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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.
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