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.
Inspection and Verification: Notes
2010 Mercury Mariner Hybrid, AWDSECTION Notes
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.
- Verify the customer concern.
- Visually inspect the following for obvious signs of mechanical or electrical damage.VISUAL INSPECTION TABLE
Mechanical Electrical - Audio unit
- Antenna or antenna cable(s)
- Speakers, mounting/speaker cones
- Radio ignition interference capacitors, radio frequency interference suppression bond, and radio receiver hood bonding strap
- Digital versatile disc (DVD) player
- Navigation map DVD
- Smart junction box (SJB) fuse(s):
- 6 (20A)
- 11 (20 A)
- 13 (7.5A)
- 15 (10A)
- Circuitry
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the cause is not visually evident, connect the diagnostic tool to the data link connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
- check that the program card is correctly installed.
- check the connections to the vehicle.
- check the ignition switch position.
- If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
- Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
- CAN circuit fault; all electronic control units no response/not equipped, refer to PINPOINT TEST M: NO HIGH SPEED CONTROLLER AREA NETWORK (CAN) COMMUNICATION or PINPOINT TEST N: NO MEDIUM SPEED CONTROLLER AREA NETWORK (CAN) COMMUNICATION .
- No response/not equipped for the audio unit, GO to PINPOINT TEST A .
- No response/not equipped for the DVD player, GO to PINPOINT TEST B .
- System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs, and carry out self-test diagnostics for the audio unit.
- If the DTCs retrieved are related to the concern, go to the AUDIO UNIT DIAGNOSTIC TROUBLE CODE (DTC) INDEX or the DIGITAL VERSATILE DISC (DVD) PLAYER DIAGNOSTIC TROUBLE CODE (DTC) INDEX .
- If no DTCs related to the concern are retrieved, go to the SELF-DIAGNOSTICS (navigation only) or GO to SYMPTOM TABLE - NAVIGATION .
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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.