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 188 (ANTI-THEFT SYSTEM -- PATS)DIAGNOSIS AND TESTINGPASSIVE ANTI-THEFT SYSTEM (PATS) - PINPOINT TESTSPINPOINT TESTSPINPOINT TEST F: ANTI-THEFT NUMBER OF PROGRAMMED KEYS IS BELOW MINIMUMTESTING
2010 Mercury Mariner Hybrid, AWD
Pinpoint Test F: Anti-Theft Number Of Programmed Keys Is Below Minimum: Testing
2010 Mercury Mariner Hybrid, AWDSECTION Testing
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
- F1 RETRIEVE THE DIAGNOSTIC TROUBLE CODES (DTCS)
- Key in OFF position.
- Enter the following diagnostic mode on the diagnostic tool: Retrieve the DTCs.
- Enter the following diagnostic mode on the diagnostic tool: Clear the DTCs.
- Key in ON position.
- Enter the following diagnostic mode on the diagnostic tool: Retrieve the DTCs.
- Is DTC B1213 retrieved?
- Yes : GO to F2.
- No
: If other than PATS PCM DTCs are retrieved, REFER to the INTRODUCTION - GASOLINE
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If no PATS DTCs are retrieved, the system is OK.
- F2 MONITOR THE PCM PID NUMKEYS
- Enter the following diagnostic mode on the diagnostic tool: Monitor PIDs.
Monitor the PCM PID NUMKEYS.
- Does the PCM PID NUMKEYS display less than 2 PATS keys programmed?
- Yes : GO to F3.
- No : The system is OK.
- Enter the following diagnostic mode on the diagnostic tool: Monitor PIDs.
- F3 PROGRAM THE PATS KEYS
- Cut a new PATS key.
- Program the new PATS key. Refer to KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT .
- Does the anti-theft indicator illuminate for 3 seconds and then go out?
NOTE: Two programmed PATS keys must be available to start the vehicle.- Yes : CLEAR the DTCs. CYCLE the ignition switch OFF then back to RUN to verify all codes have been cleared. CLEAR the DTCs. REPEAT the self-test.
- No : GO to F4.
- F4 CHECK FOR SERV_MOD PID - MONITOR THE PCM PID SERV_MOD
- Enter the following diagnostic mode on the diagnostic tool: Retrieve the DTCs.
- Monitor the PCM PID SERV_MOD.
- Does the PCM PID SERV_MOD indicate YES?
- Yes : PROGRAM the PATS keys. REFER to KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT . CLEAR the DTCs. REPEAT the self-test.
- No : If the anti-theft indicator is illuminated continuously, REPEAT Step F3 using a new PATS key. If the anti-theft indicator is flashing, RETRIEVE the PCM DTC stored for the new PATS fault. REFER to the PASSIVE ANTI-THEFT SYSTEM (PATS) - DIAGNOSTIC TROUBLE CODES (DTC) INDEX .
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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.