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.
Smart Junction Box (SJB): Notes
2005 Ford Taurus SEL, 4D SedanSECTION Notes
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
The Smart Junction Box (SJB) is located on the LH side cowl under the instrument panel and has control of the following systems:
- Interior lighting
- Exterior lighting
- Dimmable backlighting
- Battery saver function
- Delayed accessory relay function
- Global open function (MKZ)
- Horn
- Heated rear window
- Brake shift interlock
- Power door locks
- Remote Keyless Entry (RKE) system
- Perimeter alarm
- Tire Pressure Monitoring System (TPMS)
Refer to the appropriate service information in this article for system specific information and diagnostics.
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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.