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Home >> Ford >> 2010 >> Edge SE, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System - Vehicle Dynamic Systems >> Diagnosis And Testing >> Anti-Lock Control >> Inspection and Verification
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Inspection and Verification

  1. Verify the customer concern by applying the brakes under different conditions.
  2. Verify the base brake system operates correctly by pressing and releasing the brake pedal with the ignition switch in the OFF position. If the stoplamps do not operate correctly, refer to EXTERIOR LIGHTING . If the stoplamps operate correctly, proceed to the next step.
  3. Verify the base brake system operates correctly. If any concerns are present, address them before continuing with any ABS concerns. Refer to BRAKE SYSTEM - GENERAL INFORMATION . If the base brake system operates correctly, proceed to the next step.
  4. Visually inspect for obvious signs of mechanical or electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Base brake system
    • Brake booster vacuum hose
    • Brake fluid level
    • Hydraulic Control Unit (HCU)
    • Steering components, suspension components and tire size
    • Steering Angle Sensor Module (SASM)
    • Tire pressure
    • Tire size or mismatched tires
    • Wheel and tire sizes
    • ABS module
    • Battery Junction Box (BJB) fuse (s):
      • 15 (40A)
      • 50 (10A)
      • 57 (40A)
    • Brake fluid level switch
    • Stoplamp switch
    • Smart Junction Box (SJB) fuse(s):
      • 34 (5A)
      • 35 (10A)
    • Wiring, terminals or connectors
    • Stability control sensor cluster
    • Stability/traction control switch
    • Wheel speed sensor
  5. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
    6. NOTE: Make sure to use the latest scan tool software release.
  6. If the cause is not visually evident, connect the scan tool to the Data Link Connector (DLC).
    7. NOTE: The Vehicle Communication Module (VCM) LED prove out confirms power and ground from the DLC  are provided to the VCM  .
  7. 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.
  8. 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 PCM.
  9. 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).
  10. Clear the CMDTCs  and carry out the self-test diagnostics for the ABS module, the SASM  and the IC  .
  11. If the DTCs retrieved are related to the concern, go to the ABS MODULE DTC CHART , the Steering Angle Sensor Module (SASM) DTC Chart or the Instrument Cluster (IC) DTC Chart. For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES .
  12. If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART .
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