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 MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1203 (EXTERIOR LIGHTING SYSTEM)
2010 Mercury Mariner Hybrid, AWD
Section 1203 (Exterior Lighting System)
2010 Mercury Mariner Hybrid, AWDSECTION Section 1203 (Exterior Lighting System)
WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Exterior Lighting
- Notes
- Exterior Lighting System
- Battery Saver
- Lamp Assembly Condensation
- Headlamps - Fusion
- Headlamps - Milan
- Headlamps - MKZ
- High Intensity Discharge (HID) Headlamps
- Autolamps
- Headlamps On With Wipers On Feature
- Stoplamps
- Turn Signal/Hazard Lamps
- Parking Lamps
- Fog Lamps
- Reversing Lamps
- Daytime Running Lamps (DRL)
- Adaptive Headlighting
- Exterior Lighting
- Diagnosis And Testing
- Diagnostic Trouble Code (DTC) Table
- Headlamps
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- Symptom Table
- Pinpoint Tests
- Pinpoint Test A: Both High Beams Are Inoperative
- Pinpoint Test B: One Low Beam Headlamp Is Inoperative
- Pinpoint Test C: One High Beam Headlamp Is Inoperative
- Pinpoint Test D: The Low Beam(s) Are Always On
- Pinpoint Test E: The High Beam(s) Are Always On
- Pinpoint Test F: The Flash-To-Pass Feature Is Inoperative
- Autolamps
- Stoplamps
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- Symptom Table
- Pinpoint Tests
- Turn Signal and Hazard Lamps
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- Symptom Table
- Pinpoint Tests
- Parking, Rear and License Plate Lamps
- Fog Lamps
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- Symptom TABLE
- Pinpoint Tests
- Reversing Lamps
- Daytime Running Lamps (DRL)
- Adaptive Headlighting
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- Symptom Table
- Pinpoint Tests
- General Procedures
- Removal And Installation
- Headlamp Assembly
- Headlamp Bulb - LH, Fusion
- Headlamp Bulb - LH, Milan
- Headlamp Bulb - LH, MKZ
- Headlamp Bulb - RH, Fusion
- Headlamp Bulb - RH, Milan
- Headlamp Bulb - RH, MKZ
- Ballast
- Fog Lamp
- Fog Lamp Bulb
- Parking Lamp Bulb - LH, Fusion
- Parking Lamp Bulb - LH, Milan
- Parking Lamp Bulb - LH, MKZ
- Parking Lamp Bulb - RH, Fusion
- Parking Lamp Bulb - RH, Milan
- Parking Lamp Bulb - RH, MKZ
- Side Marker Lamp - Front
- Headlamp Control Module (HCM)
- Light Sensor
- Stoplamp Switch
- Headlamp Switch
- Hazard Flasher Lamp Switch
- Puddle Lamp
- Reversing Lamp Switch
- High Mounted Stoplamp
- Rear Lamp Assembly
- Reversing Lamp
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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.