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Inspection and Verification

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the customer concern.
  2. Inspect the components of the exterior mirror system to determine if any of the following mechanical or electrical concerns apply:
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Exterior mirrors
    • Exterior mirror control switch
    • Auto-dimming interior mirror
    • Smart junction box (SJB) fuse(s):
      • 12 (7.5A)
      • 31 (10A)
    • Battery junction box (BJB) fuse(s):
      • 28 (15A)
      • 60 (30A)
    • Circuitry
    • Driver seat module (DSM)
    • Loose or corroded connections
  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 communication with 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 (DTCs).
  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 Driver Seat Module (DSM) Diagnostic Trouble Code (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 .
DRIVER SEAT MODULE (DSM) DIAGNOSTIC TROUBLE CODE (DTC) CHART

DTC Description Action
B1234 Mirror Switch Invalid Code Go to Pinpoint Test D .
B1667 Mirror Driver Up/Down Motor Stalled Go to Pinpoint Test D .
B1668 Mirror Driver Right/Left Motor Stalled Go to Pinpoint Test D .
B1669 Mirror Passenger Up/Down Motor Stalled Go to Pinpoint Test D .
B1670 Mirror Passenger Right/Left Motor Stalled Go to Pinpoint Test D .
B2312 Passenger Mirror Horizontal Feedback Potentiometer Circuit Failure Go to Pinpoint Test E .
B2314 Passenger Mirror Horizontal Feedback Potentiometer Circuit Short to Battery Go to Pinpoint Test E .
B2316 Passenger Mirror Vertical Feedback Potentiometer Circuit Failure Go to Pinpoint Test E .
B2318 Passenger Mirror Vertical Feedback Potentiometer Circuit Short to Battery Go to Pinpoint Test E .
B2320 Driver Mirror Horizontal Feedback Potentiometer Circuit Failure Go to Pinpoint Test E .
B2322 Driver Mirror Horizontal Feedback Potentiometer Circuit Short to Battery Go to Pinpoint Test E .
B2324 Driver Mirror Vertical Feedback Potentiometer Circuit Failure Go to Pinpoint Test E .
B2326 Driver Mirror Vertical Feedback Potentiometer Circuit Short to Battery Go to Pinpoint Test E .
B2223 Driver Mirror Drive Circuit Failure Go to Pinpoint Test D .
B2224 Passenger Mirror Drive Circuit Failure Go to Pinpoint Test D .
All other DTCs - REFER to MULTIFUNCTION ELECTRONIC MODULES .
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