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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1007 (Seat System) >> Diagnostic Tests >> Seats >> Inspection and Verification

Inspection and Verification

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the customer concern by operating the power seat or heated seat functions.
  2. Visually inspect for obvious signs of mechanical and electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Switch(es)
    • Seat tracks obstructed or damaged
    • Lumbar assembly damaged
    • Recliner assembly damaged (backrest frame)
    • Seat cushion or backrest trim cover damaged (heated seat heater mats)
    • Battery junction box (BJB) fuse 19 (30A) (power seat)
    • Smart junction box (SJB) fuses:
      • 18 (20A) (heated seats)
      • 43 (10A) (heated seats)
    • Wiring harness
    • Loose or corroded connector(s)
    • Seat control switch
    • Power seat motor (seat track)
    • Heated seat switch (part of HVAC module)
    • Heated seat relay
    • Cushion or backrest heater mat
    • HVAC module
  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, 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 heated seat and the cause is not visually evident, connect the scan tool to the data link connector (DLC).
    6. NOTE: The vehicle communication module (VCM) LED prove out confirms power 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 article, No Power To The Scan Tool, to diagnose no communication with the scan tool.
  7. 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 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 article.
    • If the network test passes, retrieve and record on-demand and continuous memory DTCs.
  9. Clear the continuous DTCs and carry out the self-test diagnostics for the HVAC module.
  10. If the DTCs retrieved are related to the concern, go to HVAC Module DTC Chart. For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES article.
  11. If no DTCs related to the concern are retrieved, go to Symptom Chart  HVAC module.
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