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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
    • Washer pump hoses
    • Wiper linkage
    • Multifunction switch
    • Washer nozzles
    • Washer reservoir
    • Wiper pivot shaft mounting
    • Wiper blades
    • Battery Junction Box (BJB) fuse:
      • 58 (30A)
    • Smart Junction Box (SJB) fuses:
      • 19 (25A)
      • 43 (10A)
      • 45 (5A)
    • Circuitry
    • Windshield wiper motor
    • Rear wiper motor
    • SJB 
    • Multifunction switch
    • Washer pump
  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: The windshield wiper motor does not communicate on the network. The windshield wiper motor provides wiper on/off status directly to the Smart Junction Box (SJB).
    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 SJB  .
  7. Carry out the network test.
    • If the scan tool responds with no communication from one or more modules, refer to MODULE COMMUNICATIONS NETWORK .
    • If the network test passes, retrieve and record the Continuous Memory Diagnostic Trouble Codes (CMDTCs).
    NOTE: The SJB  may also be identified as the Generic Electronic Module (GEM).
  8. Clear the continuous DTCs and carry out the self-test diagnostics for the SJB  and PCM.
  9. If the DTCs retrieved are related to the concern, go to the SMART JUNCTION BOX (SJB) DTC CHART  or the INTRODUCTION - GASOLINE MODELS for PCM.
  10. If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART - WIPERS AND WASHERS .
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