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 1534 (ENGINE CONTROLS - PINPOINT TEST INDEX - (EXCEPT DIESEL & HYBRID))PINPOINT TEST INDEX
2010 Mercury Mariner Hybrid, AWD
Pinpoint Test Index
2010 Mercury Mariner Hybrid, AWDSECTION Pinpoint Test Index
WARNING: This page does not describe the selected car, but rather 29 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
| Pinpoint Test | Description |
|---|---|
| PINPOINT TEST A | No Start |
| PINPOINT TEST B | Powertrain Control Module (PCM) Power Relay |
| PINPOINT TEST C | Reference Voltage (VREF) |
| PINPOINT TEST DA | Intake Air Temperature (IAT) Sensor |
| PINPOINT TEST DC | Mass Airflow (MAF) Sensor |
| PINPOINT TEST DD | Fuel Rail Pressure (FRP) and Fuel Rail Pressure Temperature (FRPT) Sensors |
| PINPOINT TEST DF | Vehicle Speed Circuit (VSC) Check |
| PINPOINT TEST DG | Knock Sensor (KS) |
| PINPOINT TEST DH | Throttle Position (TP) Sensor |
| PINPOINT TEST DI | Direct Fuel Injection Fuel Injector |
| PINPOINT TEST DK | Accelerator Pedal Position (APP) Sensor |
| PINPOINT TEST DL | Cylinder Head Temperature (CHT) Sensor |
| PINPOINT TEST DM | Manifold Absolute Pressure (MAP) Sensor |
| PINPOINT TEST DN | Pressure and Temperature Sensors |
| PINPOINT TEST DO | Barometric Pressure (BARO) Sensor |
| PINPOINT TEST DP | Output Shaft Speed (OSS) Sensor/Vehicle Speed Sensor (VSS)/Transfer Case Speed Sensor (TCSS) |
| PINPOINT TEST DR | Camshaft Position (CMP) Sensor |
| PINPOINT TEST DT | Power Steering Pressure (PSP) Sensor |
| PINPOINT TEST DU | Intake Air Temperature 2 (IAT2) Sensor |
| PINPOINT TEST DV | Throttle Body Assembly Electronic Throttle Control (ETC) |
| PINPOINT TEST DW | Heated Oxygen Sensor (HO2S) |
| PINPOINT TEST DX | Engine Coolant Temperature (ECT) Sensor |
| PINPOINT TEST DY | Engine Oil Temperature (EOT) |
| PINPOINT TEST DZ | Universal Heated Oxygen Sensor (HO2S) |
| PINPOINT TEST EA | Pressure and Temperature Sensor Correlation |
| PINPOINT TEST EM | Emission Compliance |
| PINPOINT TEST FA | Ambient Air Temperature (AAT) Sensor |
| PINPOINT TEST FB | Power Take Off (PTO) |
| PINPOINT TEST FD | Brake Pedal Inputs |
| PINPOINT TEST FF | Power Steering Pressure (PSP) Switch |
| PINPOINT TEST H | Fuel Control |
| PINPOINT TEST HC | Fuel Delivery System |
| PINPOINT TEST HD | Misfire Detection Monitor |
| PINPOINT TEST HE | Exhaust Gas Recirculation (EGR) Systems |
| PINPOINT TEST HF | Catalyst Efficiency Monitor and Exhaust Systems |
| PINPOINT TEST HG | Positive Crankcase Ventilation (PCV) System |
| PINPOINT TEST HH | Exhaust Gas Recirculation System Module (ESM) |
| PINPOINT TEST HK | Variable Camshaft Timing (VCT) |
| PINPOINT TEST HN | Turbocharger System |
| PINPOINT TEST HP | High Pressure Fuel Delivery System |
| PINPOINT TEST HU | Intake Air Systems |
| PINPOINT TEST HV | Electric Cooling Fan |
| PINPOINT TEST HX | Evaporative Emission (EVAP) System and Monitor |
| PINPOINT TEST HZ | Natural Vacuum Leak Detection |
| PINPOINT TEST JB | Secondary Ignition (COP) |
| PINPOINT TEST JC | Secondary Ignition (Coil Pack) |
| PINPOINT TEST JD | Crankshaft Position (CKP) Sensor |
| PINPOINT TEST JE | Integrated Ignition Coil Pack A, B, or C Failure |
| PINPOINT TEST JF | Integrated Ignition Coil On Plug Coils A Through J Failure |
| PINPOINT TEST KA | Fuel Pump (FP) Relay |
| PINPOINT TEST KB | Fuel Pump Driver Module (FPDM) |
| PINPOINT TEST KC | Fuel Pump Control Module |
| PINPOINT TEST KD | Electric Exhaust Gas Recirculation (EEGR) System |
| PINPOINT TEST KE | Idle Air Control (IAC) Valve |
| PINPOINT TEST KF | Fan Control (FC) Relays |
| PINPOINT TEST KG | Fuel Injector |
| PINPOINT TEST KJ | Supercharger Bypass Control |
| PINPOINT TEST KN | Variable Speed Electric Cooling Fan |
| PINPOINT TEST QA | Unable to Activate Self-Test/Network Communication Error |
| PINPOINT TEST QB | Keep Alive Power (KAPWR) |
| PINPOINT TEST QC | On Board Diagnostic (OBD) Systems Readiness |
| PINPOINT TEST QD | DTC P1260: Passive Anti-Theft System |
| PINPOINT TEST QE | Electronic Throttle Control (ETC) System |
| PINPOINT TEST TA | Clutch Pedal Position (CPP) Switch |
| PINPOINT TEST Z | Intermittent |
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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.