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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 (Anti-Lock Brake System -- F250-F550 Super Duty) >> Diagnosis & Testing >> Anti-Lock Control >> Inspection & Verification

Inspection & Verification

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If a new ABS module is installed, it must be configured. Refer to MODULE CONFIGURATION .
  1. Verify the customer concern.
  2. Verify the stoplamps operate correctly by applying 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. Visually inspect for obvious signs of mechanical or electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Base brake system
    • Tire pressure
    • Tire size or mismatched tires
    • HCU
    • Wheel speed sensor ring
    • Rear axle speed sensor ring
    • Battery junction box (BJB) fuse(s):
      • 11 (10A)
      • 22 (60A)
      • 23 (60A)
    • Circuitry
    • Wheel speed sensor
    • Rear axle speed sensor
    • ABS module
  4. If the cause is not visually evident, connect the diagnostic tool to the data link connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
    • check that the program card is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.
  5. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
  6. Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
    • CAN, ISO, or UBP circuit fault; all electronic control units no response/not equipped, refer to MODULE COMMUNICATIONS NETWORK .
    • No response/not equipped for the ABS module, GO to PINPOINT TEST A .
    • System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs, and carry out self-test diagnostics for the ABS module.
  7. If the DTCs retrieved are related to the concern, go to the ANTI-LOCK BRAKE SYSTEM ABS MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX .
  8. If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART .
NOTE: Always retrieve the continuous DTCs after running the self-test.
NOTE: For a complete master list of DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES .
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