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 MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1656 (INTERIOR LIGHTING SYSTEM)DESCRIPTION AND OPERATIONINTERIOR LIGHTINGNOTES
2009 Mercury Milan Premier, 3.0 1, AWD
Interior Lighting: Notes
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Notes
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The Smart Junction Box (SJB) is also known as the Generic Electronic Module (GEM).
The SJB controls all of the interior lighting functions. The interior lighting system consists of the following components:
- SJB
- Instrument panel dimmer switch
- Interior lamps
- Vanity mirror lamps
- Door ajar switches (integrated into the door latch)
- Liftgate ajar switch (integrated into the liftgate latch)
- Liftgate glass ajar switch (integrated into the liftgate glass latch)
- Ambient lighting switch (if equipped)
- Ambient lighting module (if equipped) (mounted under the bottom of the floor console finish panel storage tray)
The interior lighting system may consist of up to 3 subsystems:
- Courtesy lamps
- Demand lamps
- Ambient lighting (if equipped)
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.