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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 188 (ANTI-THEFT SYSTEM -- PATS)DIAGNOSIS AND TESTINGPASSIVE ANTI-THEFT SYSTEM (PATS) - SYMPTOM CHARTSYMPTOM CHART
2010 Mercury Mariner Hybrid, AWD

Symptom Chart

2010 Mercury Mariner Hybrid, AWDSECTION Symptom Chart
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.
SYMPTOM CHART

Condition Possible Sources Action
  • No communication with the smart junction box (SJB)
  • Fuse(s)
  • Circuitry
  • SJB
  • The anti-theft indicator is always/never on - no three-second anti-theft indicator prove-out
  • Smart junction box (SJB) fuse 18 (10A)
  • Circuitry
  • Instrument cluster
  • Powertrain control module (PCM)
  • The anti-theft system does not operate correctly - engine does not crank and the anti-theft indicator proves out normally
  • Starter relay
  • Starter
  • Powertrain control module (PCM)
  • Circuitry
RENDER: 1.0x

NO RELATED

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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.