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HOMESERVICE MANUALSMERCURY2011MARINER PREMIER, 2.5 7, AWDREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSHANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEMDIAGNOSIS AND TESTINGHANDLES, LOCKS, LATCHES AND ENTRY SYSTEMSINSPECTION AND VERIFICATION
2011 Mercury Mariner Premier, 2.5 7, AWD

Inspection and Verification

2011 Mercury Mariner Premier, 2.5 7, AWDSECTION Inspection and Verification
  1. Verify the customer concern.
  2. Visually inspect for obvious signs of mechanical or electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Door handles
    • Binding latch mechanisms
    • Smart Junction Box (SJB) fuse(s):
      • 5 (10A)
      • 17 (20A)
    • Wiring, terminals or connectors
    • Door lock control switches
    • Integrated Keyhead Transmitter (IKT)
    • Keyless entry keypad
    • SJB 
  3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
    4. NOTE: Make sure to use the latest scan tool software release.
  4. If the cause is not visually evident, connect the scan tool to the Data Link Connector (DLC).
    5. NOTE: The Vehicle Communication Module (VCM) LED prove-out confirms power and ground from the DLC  are provided to the VCM  .
  5. If the scan tool does not communicate with the VCM  :
    • Check the VCM  connection to the vehicle.
    • Check the scan tool connection to the VCM  .
    • Refer to MODULE COMMUNICATIONS NETWORK article, No Power To The Scan Tool, to diagnose no power to the scan tool.
  6. If the scan tool does not communicate with the vehicle:
    • Verify the ignition key is in the ON position.
    • Verify the scan tool operation with a known good vehicle.
    • Refer to MODULE COMMUNICATIONS NETWORK article to diagnose no response from the PCM.
  7. Carry out the network test.
    • If the scan tool responds with no communication for one or more modules, Refer to MODULE COMMUNICATIONS NETWORK article.
    • If the network test passes, retrieve and record the continuous memory DTCs.
  8. Clear the continuous DTCs and carry out the self-test diagnostics for the SJB  and Instrument Cluster (IC).
  9. If the DTCs retrieved are related to the concern, go to DTC CHARTS . For all other DTCs, refer to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article.
  10. If no DTCs related to the concern are retrieved, Go to SYMPTOM CHART .
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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.