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Inspection and Verification

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. 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
    • Exterior mirror
    • Exterior mirror control switch
    • Exterior mirror glass
    • Exterior mirror cover
    • Smart Junction Box (SJB) fuse(s):
      • 12 (7.5A)
      • 41 (15A)
      • 45 (5A)
    • Battery Junction Box (BJB) fuse 28 (15A)
    • Driver Seat Module (DSM)
    • Exterior mirror control switch
    • Exterior mirror motor
    • Exterior mirror
    • Exterior mirror glass
    • Heated mirror relay
    • HVAC - Electronic Automatic Temperature Control (EATC) Module
    • HVAC - Electronic Manual Temperature Control (EMTC) Module
    • Loose or corroded connections
    • Wiring harness
  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 , 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 to diagnose no response from the DSM  .
  7. Carry out the network test.
    • If the scan tool responds with no communication for one or more modules, refer to MODULE COMMUNICATIONS NETWORK .
    • If the network test passes, retrieve and record Continuous Memory Diagnostic Trouble Codes (CMDTCs).
  8. Clear the continuous DTCs and carry out the self-test diagnostics for the DSM  .
  9. If the DTCs retrieved are related to the concern, go to the DRIVER SEAT MODULE (DSM) DTC CHART . For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES .
  10. If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART - EXTERIOR MIRRORS  or GO to SYMPTOM CHART - NVH .
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