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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 and electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Switch(es)
    • Seat tracks obstructed or damaged
    • Seat backrest obstructed
    • Lumbar assembly damaged
    • Recliner or latch assembly damaged (backrest frame)
    • Thermo-Electric Device (TED) assembly filter dirty (cushion or backrest)
    • Second row power-fold actuator and cable
    • Battery Junction Box (BJB) fuse(s):
      • 7 (30A) (rear heated seats)
      • 16 (30A) (climate controlled seats or front heated seats)
      • 27 (10A) (second row power-fold seats)
      • 60 (30A) (driver power seat or driver memory seat)
      • 61 (30A) (passenger power seat)
    • Smart Junction Box (SJB) fuse(s):
      • 5 (10A) (second row power-fold seats)
      • 12 (7.5A) (driver memory seat)
      • 35 (10A) (front/rear heated seats)
    • Wiring harness
    • Loose or corroded connections
    • Seat control switch(es)
    • Power seat motor (seat track)
    • Power recliner motor
    • Power lumbar motor
    • Memory SET switch
    • Driver Seat Module (DSM)
    • Seat cushion heater mat
    • Seat backrest heater mat
    • Heated seat module
    • Heated seat switch
    • TED  assembly (cushion or backrest)
    • HVAC module
    • Dual Climate Controlled Seat Module (DCSM)
    • Second row power-fold actuator
    • Second row power-fold relay
    • Second row power-fold switch
  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. If the concern is with the power seat (non-memory seat) or heated seat and the cause is not visually evident, verify the symptom and GO to SYMPTOM CHART .
    5. NOTE: Make sure to use the latest scan tool software release.
  5. If the concern is with the memory seat or climate controlled seat and the cause is not visually evident, connect the scan tool to the DLC  .
    6. NOTE: The Vehicle Communication Module (VCM) LED prove out confirms voltage and ground from the DLC  are provided to the VCM  .
  6. 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.
  7. If the scan tool does not communicate with the vehicle:
    • verify the ignition 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 PCM.
  8. 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).
  9. Clear the CMDTCs  and carry out the self-test diagnostics for the Driver Seat Module (DSM) or Dual Climate Controlled Seat Module (DCSM).
  10. If the DTCs retrieved are related to the concern, go to DRIVER SEAT MODULE (DSM) DTC CHART , go to DUAL CLIMATE CONTROLLED SEAT MODULE (DCSM) DTC CHART  or go to SMART JUNCTION BOX (SJB) DTC CHART . For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES .
  11. If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART .
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