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 1344 (PARKING AID SYSTEM)
2010 Mercury Mariner Hybrid, AWD
Section 1344 (Parking Aid System)
2010 Mercury Mariner Hybrid, AWDSECTION Section 1344 (Parking Aid System)
WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description & Operation
- Diagnostic Tests
- Parking Aid
- Notes
- Principles of Operation
- Inspection & Verification
- DTC Index
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: Parking Aid Is Inoperative
- Pinpoint Test B: DTC B1627 - PRNDL Reverse Input Circuit Failure
- Pinpoint Test C: DTCs C1742 - Rear Sounder Circuit Failure and C1743 - Rear Sounder Circuit Short To Vbatt
- Pinpoint Test D: DTC C1985 - Back Up Aid Disable Switch Stuck Low
- Pinpoint Test E: The Parking Aid Is Inoperative - Cannot Be Disabled
- Pinpoint Test F: DTC B1318 - Battery Voltage Low
- Pinpoint Test G: DTC C1992 - Vehicle Speed Circuit Failure
- Parking Aid
- General Procedures
- Removal & Installation
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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.