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 1233 (AUTOMATIC TRANSAXLE EXTERNAL CONTROLS AISIN AW21/6F35 (EXCEPT HYBRID))
2010 Mercury Mariner Hybrid, AWD
Section 1233 (Automatic Transaxle External Controls AISIN Aw21/6F35 (Except Hybrid))
2010 Mercury Mariner Hybrid, AWDSECTION Section 1233 (Automatic Transaxle External Controls AISIN Aw21/6F35 (Except Hybrid))
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
- Diagnosis And Testing
- External Controls
- Special Tool(s)
- Inspection and Verification
- Symptom Table - External Controls
- Symptom Table - NVH
- Electrical Connectors
- Pinpoint Tests
- Notes
- Pinpoint Test A: The Brake Shift Interlock System Does Not Release/Lock Correctly
- Pinpoint Test B: TCS Does Not Operate Correctly (Vehicles Equipped With A 2.5L Engine Only)
- Pinpoint Test C: Select Shift Does Not Operate/O/D Does Not Cancel (Vehicles Equipped With A 3.0L Engine)
- Pinpoint Test D: Select Shift Does Not Operate/O/D Does Not Cancel (Vehicles Equipped With A 3.5L Engine)
- External Controls
- General Procedures
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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.