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 1201 (MULTIFUNCTION ELECTRONIC MODULES)REMOVAL AND INSTALLATIONSMART JUNCTION BOX (SJB)INSTALLATION
2010 Mercury Mariner Hybrid, AWD
Smart Junction Box (SJB): Installation
2010 Mercury Mariner Hybrid, AWDSECTION Installation
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.
- Position the SJB into the 3 keyholes of the SJB bracket and slide it downward until the SJB locking tab snaps into place.
- Connect the 7 electrical connectors.NOTE: If the SJB is not being replaced, this is the last step that is necessary.
- Download the SJB
configuration information from the scan tool to the SJB
. For additional information, refer to MODULE CONFIGURATION
.NOTE: When successful, this step provides the calibration necessary for the SJB operation and clears the DTCs B106D and B2477. The clearing of these DTCs indicates the calibration data has been successfully downloaded to the SJB .
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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.