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Inspection and Verification

WARNING: This page is about a different car, the 2008 Mercury Sable, 2008 Ford Taurus X, and 2008 Ford Taurus. 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
    • Interior auto-dimming rear view mirror
    • Exterior mirror
    • Exterior mirror control switch
    • Battery junction box (BJB) fuse(s):
      • 49 (15A)
    • Smart junction box (SJB) fuse(s):
      • 12 (7.5A)
      • 31 (10A)
      • 41 (15A)
    • Driver seat module (DSM)
    • HVAC Electronic automatic temperature control (EATC)
    • HVAC Electronic manual temperature control (EMTC)
    • Exterior mirror
    • Exterior mirror control switch
    • Exterior mirror glass
    • Exterior mirror motor
    • Heated rear window relay
    • Interior auto-dimming rear view mirror
    • 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 article, 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 article to diagnose no response from the DSM.
  7. Carry out the network test.
    • If the scan tool responds with no communication from 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 DSM.
  9. If the DTCs retrieved are related to the concern, go to the Driver Seat Module (DSM) DTC Table. For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES article.
  10. If no DTCs related to the concern are retrieved, go to Symptom Chart .
DRIVER SEAT MODULE (DSM) DTC TABLE

DTC Description Action
B1667 Mirror Driver Up/Down Motor Stalled Go to Pinpoint Test F .
B1668 Mirror Driver Right/Left Motor Stalled Go to Pinpoint Test F .
B1669 Mirror Passenger Up/Down Motor Stalled Go to Pinpoint Test F .
B1670 Mirror Passenger Right/Left Motor Stalled Go to Pinpoint Test F .
B1733 Mirror Driver Vertical Switch Circuit Failure Go to Pinpoint Test F .
B1737 Mirror Driver Horizontal Switch Circuit Failure Go to Pinpoint Test F .
B1741 Mirror Passenger Vertical Switch Circuit Failure Go to Pinpoint Test F .
B1745 Mirror Passenger Horizontal Switch Circuit Failure Go to Pinpoint Test F .
B2223 Mirror Driver Drive Circuit Failure Go to Pinpoint Test F .
B2224 Mirror Passenger Drive Circuit Failure Go to Pinpoint Test F .
B2312 Mirror Passenger Horizontal Feedback Potentiometer Circuit Failure Go to Pinpoint Test F .
B2314 Mirror Passenger Horizontal Feedback Potentiometer Circuit Short to Battery Go to Pinpoint Test F .
B2316 Mirror Passenger Vertical Feedback Potentiometer Circuit Failure Go to Pinpoint Test F .
B2318 Mirror Passenger Vertical Feedback Potentiometer Circuit Short to Battery Go to Pinpoint Test F .
B2320 Mirror Driver Horizontal Feedback Potentiometer Circuit Failure Go to Pinpoint Test F .
B2322 Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Battery Go to Pinpoint Test F .
B2324 Mirror Driver Vertical Feedback Potentiometer Circuit Failure Go to Pinpoint Test F .
B2326 Mirror Driver Vertical Feedback Potentiometer Circuit Short to Battery Go to Pinpoint Test F .
All other DTCs - REFER to the Master DTC Table in MULTIFUNCTION ELECTRONIC MODULES article.
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