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 1280 (SAFETY BELT SYSTEM)DIAGNOSIS AND TESTINGSAFETY BELT SYSTEMINSPECTION AND VERIFICATION
2010 Mercury Mariner Hybrid, AWD
Inspection and Verification
2010 Mercury Mariner Hybrid, AWDSECTION Inspection and Verification
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.
- Verify the customer concern by operating the active restraint system to duplicate the condition.
- Inspect to determine if any of the following mechanical or electrical concerns apply:VISUAL INSPECTION TABLE
Mechanical Electrical - Cut, frayed or incorrectly routed safety belt webbing
- Safety belt buckle and tongue assembly
- Safety belt retractor
- Wiring, terminals or connectors
- Safety belt warning indicator burned out or broken
- High Speed Controller Area Network (HS-CAN) network concern
- If the inspection reveals an obvious concern(s) that can be readily identified, service as required. With the exception of removing a twist from the safety belt webbing, do not attempt to repair a component of the safety belt system; new components must be installed.
- If the concern remains after the inspection, determine the symptom. GO to SYMPTOM TABLE .
- To check the active restraint system for correct operation, carry out the appropriate Functional Test(s).
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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.