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Home >> Ford >> 2013 >> Fiesta Titanium, 4D Hatchback, Standard Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Anti-Lock Brake System And Stability Control >> Diagnosis And Testing >> Principles of Operations >> Pinpoint Tests >> Pinpoint Test C: DTCs C0044:28, C0044:49 and C0044:64 >> PINPOINT TEST C: DTCs C0044:28, C0044:49 AND C0044:64

PINPOINT TEST C: DTCs C0044:28, C0044:49 AND C0044:64

  1. C1 CHECK THE STOPLAMP SWITCH, CRUISE CONTROL DEACTIVATOR SWITCH AND BRAKE PEDAL AND BRACKET 
    • Inspect the stoplamp switch, cruise control deactivator switch and brake pedal assembly, verify there is no brake pedal pressure unintentionally applied due to incorrect stoplamp switch, cruise control deactivator switch or brake pedal installation.
    • Are the stoplamp switch, cruise control deactivator switch and brake pedal OK? 
      • Yes  : If DTC C0044:28 is set, GO to  C3. Otherwise, GO to  C2.
      • No  : REPAIR or INSTALL new components as necessary. REFER to HYDRAULIC BRAKE ACTUATION .
  2. C2 CHECK FOR DTC C0044:49 AND/OR C0044:64 TO RETURN 
    • Ignition ON.
    • Using a scan tool, clear all ABS module CMDTCs.
    • Test drive the vehicle at speeds greater than 32 km/h (20 mph).
    • Enter the following diagnostic mode on the scan tool: Self Test - ABS Module.
    • Is DTC C0044:49 and/or C0044:64 present? 
      • Yes  : GO to  C3.
      • No  : The system is operating correctly at this time. The concern may have been caused by air trapped in the hydraulic brake system. REFER to BRAKE SYSTEM - GENERAL INFORMATION on bleeding the base brake system. TEST the system for normal operation.
  3. C3 CARRY OUT THE BRAKE PEDAL SWITCH ADJUSTMENT PROCEDURE 
    • REFER to Brake Pedal Switch Adjustment .
    • Did the stoplamp switch and cruise control deactivator switch pass the brake pedal switch adjustment test? 
      • Yes  : GO to  C4.
      • No  : INSTALL a new stoplamp switch or cruise control deactivator switch as required. REFER to EXTERIOR LIGHTING (stoplamp switch) or CRUISE CONTROL SYSTEM (cruise control deactivator switch).
  4. C4 CHECK FOR CORRECT ABS MODULE TO HCU TORQUE VALUES 
    • Verify all ABS module-to- HCU fasteners are tightened to their correct torque specifications. Refer to SPECIFICATIONS .
    • Are the ABS module-to- HCU fasteners tightened correctly? 
      • Yes  : INSTALL a new ABS module. REFER to Hydraulic Control Unit (HCU) . TEST the system for normal operation.
      • No  : TIGHTEN all ABS module-to- HCU fasteners. CLEAR the DTCs. GO to  C5.
  5. C5 CHECK FOR DTCs C0044:28, C0044:49 AND/OR C0044:64 
    • Test drive the vehicle at speeds greater than 32 km/h (20 mph).
    • Enter the following diagnostic mode on the scan tool: Self Test - ABS Module.
    • Record all ABS module DTCs.
    • Is DTC C0044:28, C0044:49 and/or C0044:64 present? 
      • Yes  : INSTALL a new HCU. REFER to Hydraulic Control Unit (HCU) . TEST the system for normal operation.
      • No  : The system is operating correctly at this time. The concern was likely cause by incorrectly tightened fasteners.
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