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Home >> Ford >> 2007 >> Escape Base, 3.0 1, FWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnostic Tests >> Anti-Lock Control >> Inspection and Verification
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Inspection and Verification

NOTE: If a new ABS module is installed, it must be configured. Follow the scan tool directions.
  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 article. If the stoplamps operate correctly, proceed to the next step.
  3. Verify that the PRNDL operates correctly on the instrument cluster. If the PRNDL does not operate correctly, refer to INSTRUMENT CLUSTER article. If the PRNDL operates correctly, proceed to the next step.
  4. Visually inspect for obvious signs of mechanical or electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Wheel speed sensor ring
    • Hydraulic control unit (HCU)
    • Base brake system
    • Brake booster vacuum hose
    • Steering components and suspension components
    • Tire size
    • Battery junction box (BJB) fuse(s):
      • 15 (30A)
      • 20 (60A)
    • Smart junction box (SJB) fuse(s):
      • 6 (15A)
      • 34 (5A)
    • Anti-lock brake system (ABS) module
    • Wheel speed sensor
    • Stoplamp switch
    • Brake pressure transducer
    • Brake fluid level switch
    • Circuitry
  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 article, No Power To The Scan Tool, to diagnose no communication with 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 article to diagnose no response from the powertrain control module (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 article.
    • If the network test passes, retrieve and record continuous memory diagnostic trouble codes (DTCs).
  10. Clear the continuous DTCs and carry out the self-test diagnostics for the ABS module.
  11. If the DTCs retrieved are related to the concern, go to Anti-Lock Brake System (ABS) Module Diagnostic Trouble Code (DTC) Index. For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES article.
  12. If no DTCs related to the concern are retrieved, go to Symptom Chart .
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC Description Source Action
B1342 ECU is Defective ABS Module
NOTE: If other DTCs are present, REPAIR them before installing a new component.
CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved, INSTALL a new ABS module. REFER to Anti-Lock Brake System (ABS) Module . REPEAT the self-test.
B1676 Battery Pack Voltage Out of Range ABS Module Go to Pinpoint Test A .
B2477 Module Configuration Failure ABS Module FOLLOW the scan tool directions for the configuration procedure.
B2900 VIN Mismatched ABS Module VERIFY that the module has the correct as-built data.
C1095 ABS Hydraulic Pump Motor Circuit Failure ABS Module Go to Pinpoint Test B .
C1145 Wheel Speed Sensor RF Input Circuit Failure ABS Module Go to Pinpoint Test C .
C1155 Wheel Speed Sensor LF Input Circuit Failure ABS Module Go to Pinpoint Test C .
C1165 Wheel Speed Sensor RR Input Circuit Failure ABS Module Go to Pinpoint Test C .
C1175 Wheel Speed Sensor LR Input Circuit Failure ABS Module Go to Pinpoint Test C .
C1233 Wheel Speed Sensor LF Input Signal Missing ABS Module Go to Pinpoint Test D .
C1234 Wheel Speed Sensor RF Input Signal Missing ABS Module Go to Pinpoint Test D .
C1235 Wheel Speed Sensor RR Input Signal Missing ABS Module Go to Pinpoint Test D .
C1236 Wheel Speed Sensor LR Input Signal Missing ABS Module Go to Pinpoint Test D .
U1900 CAN Communication Bus Fault-Receive Error Network Fault MODULE COMMUNICATIONS NETWORK article.
U2023 Fault Received From External Node Network Fault MODULE COMMUNICATIONS NETWORK article.
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