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 587 (REAR VIEW MIRROR SYSTEM)DIAGNOSIS AND TESTINGREAR VIEW MIRRORSSYMPTOM TABLE

2009 Mercury Milan Premier, 3.0 1, AWD

Symptom Table

2009 Mercury Milan Premier, 3.0 1, AWDSECTION Symptom Table

WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM TABLE

Condition	Possible Sources	Action
The mirrors are inoperative	Battery junction box (BJB) fuse Smart junction box (SJB) fuse Circuitry Exterior mirror control switch SJB	GO to PINPOINT TEST A .
A single mirror is inoperative	Circuitry Exterior mirror control switch Exterior mirror motor	GO to PINPOINT TEST B .
A single mirror does not function with switch logic	Circuitry Exterior mirror control switch Exterior mirror motor	GO to PINPOINT TEST C .
The memory mirror is inoperative	Driver seat module (DSM) Circuitry BJB fuse Exterior mirror motor Mirror control switch	GO to PINPOINT TEST D .
The memory mirror is inoperative - does not operate from the memory set switch	Circuitry Driver seat module (DSM) Exterior mirror motor Memory set switch	GO to PINPOINT TEST E .
The heated exterior mirrors do not defrost	Circuitry Exterior rear view mirror BJB fuse	GO to PINPOINT TEST F .
The auto-dimming mirror does not operate correctly	Obstructed rear-facing sensor Stickers, window decals, tags Non-OEM window tinting Obstructed forward-facing sensor Stickers, window decals, tags Non-OEM window tinting	If possible, REMOVE the obstruction. If the obstruction cannot be removed, GO to PINPOINT TEST D to test the auto-dimming mirror for correct function.
	Light source near or inside of vehicle	None. Any light source the rear-facing sensor is exposed to can be considered glare.
	Vehicle inside garage or tunnel	None. Any light source the rear-facing sensor is exposed to can be considered glare.
	Fuse Auto-dimming interior mirror Circuitry	None. Ambient conditions are similar to night time conditions. GO to PINPOINT TEST G .

RENDER: 1.0x

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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.