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 1026 (INFORMATION CENTER)
2010 Mercury Mariner Hybrid, AWD
Section 1026 (Information Center)
2010 Mercury Mariner Hybrid, AWDSECTION Section 1026 (Information Center)
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Diagnostic Tests
- Instrument Cluster (IC), Message Center and Warning Chimes
- Notes
- Principles of Operation
- Inspection and Verification
- DTC Charts
- Instrument Cluster (IC) Dealer Test Mode
- Symptom Charts
- Pinpoint Tests
- Pinpoint Test A: Incorrect Fuel Gauge Indication
- Pinpoint Test B: The Temperature Gauge Is Inoperative (Except Hybrid)
- Pinpoint Test C: Incorrect Temperature Gauge Indication (Except Hybrid)
- Pinpoint Test D: The Speedometer Is Inoperative
- Pinpoint Test E: Incorrect Speedometer Indication
- Pinpoint Test F: The Odometer Is Inoperative
- Pinpoint Test G: The Tachometer Is Inoperative
- Pinpoint Test H: Incorrect Tachometer Indication
- Pinpoint Test I: The Electric Power Charge/Assist Gauge Is Inoperative (Hybrid Only)
- Pinpoint Test J: The Brake Warning Indicator Is Never On
- Pinpoint Test K: The Brake Warning Indicator Is Always On
- Pinpoint Test L: The Anti-Lock Brake System (ABS) Warning Indicator Is Never/Always On
- Pinpoint Test M: The Door Ajar Warning Indicator Is Never/Always On
- Pinpoint Test N: The Safety Belt Warning Indicator Is Never/Always On
- Pinpoint Test O: The Check Fuel Cap Indicator Is Never/Always On
- Pinpoint Test P: The Low Fuel Warning Indicator Is Never/Always On
- Pinpoint Test Q: The Low Oil Pressure Warning Indicator Is Never/Always On (Except Hybrid)
- Pinpoint Test R: The Low Oil Pressure Warning Indicator Is Never/Always On (Hybrid Only)
- Pinpoint Test S: The Malfunction Indicator Lamp (MIL) Is Never/Always On
- Pinpoint Test T: The O/D OFF Indicator Is Never/Always On (Except Hybrid)
- Pinpoint Test U: The Charging System Warning Indicator Is Never/Always On
- Pinpoint Test V The Air Bag Warning Indicator Is Never/Always On
- Pinpoint Test W: The High Beam Indicator Is Never/Always On
- Pinpoint Test X: The LH/RH Turn Indicator Is Never/Always On
- Pinpoint Test Y: The Speed Control Indicator Is Never/Always On
- Pinpoint Test Z: The Stability/Traction Control Indicator Is Never/Always On
- Pinpoint Test AA: The Powertrain Malfunction (Wrench) Warning Indicator Is Never/Always On
- Pinpoint Test AB: The Tire Pressure Monitoring System (TPMS) Warning Indicator Is Never/Always On
- Pinpoint Test AC: The Hazard Warning Indicator Is Inoperative (Hybrid Only)
- Pinpoint Test AD: The Overtemp Warning Indicator Is Never/Always On (Hybrid Only)
- Pinpoint Test AE: The Ready Indicator Is Never/Always On (Hybrid Only)
- Pinpoint Test AF: The Instrument Cluster (IC) Is Inoperative
- Pinpoint Test AG: DTC B1318 - Battery Voltage Low
- Pinpoint Test AH: DTC B2A20 and U2472 - Ignition Stuck in START & Unexpected Ignition State
- Pinpoint Test AI: DTC U0100 - Lost Communication With ECM/PCM
- Pinpoint Test AJ: DTC U0101 - Lost Communication With TCM
- Pinpoint Test AK: DTC U0111 - Lost Communication With Battery Energy Control Module (BCM)
- Pinpoint Test AL: DTC U0121 - Lost Communication With Anti-Lock Brake System Control Module (ABS)
- Pinpoint Test AM: DTC U0129 - Lost Communication With Brake System Control Module
- Pinpoint Test AN: DTC U0140 - Lost Communication With Body Control Module (GEM)
- Pinpoint Test AO: DTC U0151 - Lost Communication With Restraints Control Module (RCM)
- Pinpoint Test AP: The Message Center Is Not Operating Correctly
- Pinpoint Test AQ: The Message Center Switch Does Not Operate Correctly
- Pinpoint Test AR: The STOP SAFELY NOW Warning Is Inoperative/Always On
- Pinpoint Test AS: The REGEN BRAKING DISABLED Message Is Inoperative/Always On
- Pinpoint Test AT: The Chime Sounds When The Driver Door Is Ajar (No Key In Ignition And Headlamps Off)
- Pinpoint Test AU: The Key-In-Ignition Warning Chime Is Inoperative
- Pinpoint Test AV: The Headlamps On Warning Chime Is Inoperative
- Pinpoint Test AW: The Turn Signal On Warning Chime Is Inoperative
- Pinpoint Test AX: The Safety Belt Warning Chime Does Not Operate Correctly/The Belt-Minder® Feature Does Not Operate Correctly
- Pinpoint Test AY: The Parking Brake Warning Chime Is Inoperative
- Instrument Cluster (IC), Message Center and Warning Chimes
- General Procedures
- Removal And 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.