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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2339 (Anti-Lock Brake System - Vehicle Dynamic Systems) >> Diagnosis And Testing >> Anti-Lock Control - Hybrid >> Pinpoint Tests >> Pinpoint Test T: DTCs C0048:11, 12, 64; C1108:11, 12 and 1C >> PINPOINT TEST T: DTCs C0048:11, 12, 64; C1108:11, 12 and 1C

PINPOINT TEST T: DTCs C0048:11, 12, 64; C1108:11, 12 and 1C

WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multimeter probes.
  1. T1 VERIFY ALL WIRING CONNECTIONS 
    • Disconnect: ABS Module C135.
    • Disconnect: Brake Booster Travel Sensor C149.
    • Using a good light source, inspect each connector terminal for any corrosion.
    • Inspect both connectors for any pushed-out pins.

      Refer to the appropriate SYSTEM WIRING DIAGRAMS article for schematic and connector information.

    • Using a suitable mating terminal, check each female terminal for deformed or enlarged contacts by comparing the mating terminal's fit between each of the following pins:
      • C135-26
      • C135-27
      • C135-38
      • C149-1
      • C149-2
      • C149-3
      Fig 1: Identifying C149 & C135 Connector Terminals
      G06257120Courtesy of FORD MOTOR CO.
    • Refer to the appropriate SYSTEM WIRING DIAGRAMS article for schematic and connector information.
    • Is each terminal free of corrosion, pushed-out pins or spread terminals? 
    • Yes:  GO to  T2.
    • No:  REPAIR the affected terminal(s). CLEAR the DTCs. REPEAT the self-test.
  2. T2 CHECK THE DTCs FROM THE SELF-TEST 
    • Yes:  If DTC C0048:11 is present, GO to  T3. If DTC C0048:12 is present, GO to  T4. If only DTC C0048:64 is present, GO to  T5.
    • No:  If DTC C1108:11 is present, GO to  T8. If DTC C1108:12 is present, GO to  T7. If only DTC C1108:1C is present, GO to  T10. For all other DTCs, REFER to ABS MODULE DTC TABLE .
  3. T3 CHECK THE SENSOR SIGNAL RETURN CIRCUIT FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Disconnect: Booster Travel Sensor C149.
    • Disconnect: ABS Module C135.
    • Measure the resistance between brake booster travel sensor C149-3, circuit VCB34 (WH/BU), harness side and ground.
      Fig 2: Measuring Resistance Between Brake Booster Travel Sensor C149-3 & Ground
      G06257121Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to  T5.
    • No:  REPAIR circuit VCB34 (WH/BU). CLEAR the DTCs. REPEAT the self-test.
  4. T4 CHECK THE SENSOR SIGNAL RETURN CIRCUIT FOR A SHORT TO VOLTAGE 
    • Ignition OFF.
    • Disconnect: Booster Travel Sensor C149.
    • Disconnect: ABS Module C135.
    • Ignition ON.
    • Measure the voltage between brake booster travel sensor C149-3, circuit VCB34 (WH/BU), harness side and ground.
      Fig 3: Measuring Voltage Between Brake Booster Travel Sensor C149-3 & Ground
      G06257122Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes:  REPAIR circuit VCB34 (WH/BU). CLEAR the DTCs. REPEAT the self-test.
    • No:  GO to  T5.
  5. T5 CHECK ALL SENSOR CIRCUITS FOR A SHORT TOGETHER 
    • Ignition OFF.
    • Disconnect: Booster Travel Sensor C149.
    • Disconnect: ABS Module C135.
    • Measure the resistance between brake booster travel sensor C149 pins, harness side, as indicated in the following chart:
      BRAKE BOOSTER TRAVEL SENSOR TABLE

      Brake Booster Travel Sensor Circuit Brake Booster Travel Sensor
      C149-1 CCB33 (GY/OG)/RCB33 (VT/GY) C149-2
      C149-1 CCB33 (GY/OG)/VCB34 (WH/BU) C149-3
      C149-2 VCB34 (WH/BU)/RCB33 (VT/GY) C149-3
      Fig 4: Identifying C149 Connector Terminals
      G06257123Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10,000 ohms? 
    • Yes:  GO to  T6.
    • No:  REPAIR the affected circuit(s). CLEAR the DTCs. REPEAT the self-test.
  6. T6 CHECK ALL SENSOR CIRCUITS FOR AN OPEN 
    • Measure the resistance between ABS module C135, harness side and brake booster travel sensor C149, harness side as indicated in the following table below:
      ABS MODULE SPECIFICATIONS TABLE

      ABS Module Circuit Brake Booster Travel Sensor
      C135-26 CCB33 (GY/OG) C149-1
      C135-27 RCB33 (VT/GY) C149-2
      C135-38 VCB34 (WH/BU) C149-3
      Fig 5: Identifying C149 & C135 Connector Terminals
      G06257124Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes:  If only DTC C0048:64 was retrieved from the self-test, INSPECT the installation of the sensor. CORRECT the installation as necessary.

      If the sensor is correctly installed, INSTALL a new brake booster travel sensor. REFER to REMOVAL AND INSTALLATION . For DTCs C0048:11 and C0048:12, GO to  T9.

    • No:  REPAIR the affected circuit(s). CLEAR the DTCs. REPEAT the self-test.
  7. T7 CHECK THE SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE 
    • Ignition OFF.
    • Disconnect: Booster Travel Sensor C149.
    • Disconnect: ABS Module C135.
    • Ignition ON.
    • Measure the voltage between the brake booster travel sensor C149-1, circuit CCB33 (GY/OG), harness side and ground.
      Fig 6: Measuring Voltage Between Brake Booster Travel Sensor C149-1 & Ground
      G06257125Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes:  REPAIR circuit CCB33 (GY/OG). CLEAR the DTCs. REPEAT the self-test.
    • No:  GO to  T9.
  8. T8 CHECK THE SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Disconnect: Booster Travel Sensor C149.
    • Disconnect: ABS Module C135.
    • Measure the resistance between the brake booster travel sensor C149-1, circuit CCB33 (GY/OG), harness side and ground.
      Fig 7: Measuring Resistance Between Brake Booster Travel Sensor C149-1 & Ground
      G06257126Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to  T9.
    • No:  REPAIR circuit CCB33 (GY/OG). CLEAR the DTCs. REPEAT the self-test.
  9. T9 CHECK THE BOOSTER TRAVEL SENSOR INSTALLATION 
    • Inspect the installation of the booster travel sensor to the brake booster. Verify the booster travel is securely attached to the booster and that the booster and booster travel sensor are free of damage.
    • Is the booster travel sensor installed correctly and are the sensor and booster free of any damage? 
  10. T10 CHECK THE BOOSTER TRAVEL SENSOR (BRKBST_MEMB) PID 
    • Connect: Booster Travel Sensor C149.
    • Connect: ABS Module C135.
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: DataLogger - ABS Module.
    • Monitor the BRKBST_MEMB PID while applying and releasing the brake pedal.
    • Does the PID value increase when the brake pedal is pressed and decrease when the brake pedal is released? 
    • Yes:  CLEAR the DTCs. DRIVE the vehicle. REPEAT the self-test. If any of the DTCs identified in the normal operation of this pinpoint test return, GO to  T11.
    • No:  INSTALL a new brake booster travel sensor. REFER to REMOVAL AND INSTALLATION .
  11. T11 CHECK FOR CORRECT ABS MODULE OPERATION 
    • Disconnect: ABS Module C135.
    • Check for:
      • corrosion
      • pushed-out pins
      • spread terminals
    • Connect: ABS Module C135.
    • Make sure the connector is seated correctly, then operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes:  INSTALL a new ABS module. REFER to Removal and Installation . TEST the system for normal operation.
    • No:  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
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