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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1825 (Anti-Theft System - Passive Anti-Theft System (Pats) - (Hybrid)) >> Diagnosis And Testing >> Anti-Theft >> Inspection and Verification

Inspection and Verification

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the customer concern.
  2. Visually inspect for obvious signs of mechanical or electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Large metallic objects, electronic devices on the key chain that can be used to purchase gasoline or similar items, or a second ignition key on the same key ring as the Passive Anti-Theft System (PATS) ignition key
    • Ignition lock cylinder
    • PATS  key
    • Use of a non- PATS  key or incorrect PATS  key
    • More than one PATS  key on the same key ring
    • Remote start system installed
    • Smart Junction Box (SJB) fuse 36 (5A)
    • Wiring, terminals or connectors
    • Controller Area Network (CAN)
    • Instrument Cluster (IC)
    • Transmission Control Module (TCM)
  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 PINPOINT TEST W: NO POWER TO THE SCAN TOOL , 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:
  7. Carry out the network test.
    • If the scan tool responds with no communication for one or more modules, refer to PINPOINT TESTS .
    • 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 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 DIAGNOSTIC TROUBLE CODE (DTC) CHART .
  10. If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART .
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