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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Anti-Lock Brake System And Stability Control >> Diagnosis And Testing >> Anti-Lock Control - Hybrid >> Pinpoint Tests >> Pinpoint Test U: DTCs C100A:62; C100D:21, 22; C100E:21, 22 and C100F:11, 12 >> PINPOINT TEST U: DTCs C100A:62; C100D:21, 22; C100E:21, 22 AND C100F:11, 12

PINPOINT TEST U: DTCs C100A:62; C100D:21, 22; C100E:21, 22 AND C100F:11, 12

NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
  1. U1 VERIFY ALL WIRING CONNECTIONS 
    • Disconnect: Brake Pedal Angle Sensor C2299.
    • Disconnect: ABS Module C135.
    • Using a good light source, inspect each connector terminal for any corrosion.
    • Inspect both connectors for any pushed-out pins. Refer to CONNECTOR REPAIR PROCEDURES 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:
      • C135-2
      • C135-11
      • C135-14
      • C135-44
      • C2299-1
      • C2299-2
      • C2299-3
      • C2299-4
      • C2299-5
      • C2299-6
    • Refer to CONNECTOR REPAIR PROCEDURES for schematic and connector information.
      Fig 1: Verifying All Wiring Connections
      G08018949Courtesy of FORD MOTOR CO.
    • Is each terminal free of corrosion, pushed-out pins or spread terminals? 
      • Yes:  GO to U2.
      • No:  REPAIR the affected terminal(s). CLEAR the DTCs. REPEAT the self-test.
  2. U2 CHECK THE DTCs FROM THE ABS MODULE 
    • Review the DTCs retrieved and recorded during Inspection and Verification.
    • Is DTC C100F:11 or 12 present? 
      • Yes:  If DTC C100F:11 or 12 is present, GO to U3.
      • No:  If DTC C100D:21 is present, GO to  U10.

        If DTC C100D:22 is present, GO to  U11.

        If DTC C100E:21 is present, GO to  U7.

        If DTC C100E:22 is present, GO to  U8.

        If only DTC C100A:62 is present, GO to  U6.

        If DTCs C100D:22 and  C100E:22 are present, GO to  U13.

        For all other ABS module DTCs, REFER to the ABS Module DTC Chart  .

  3. U3 CHECK THE VOLTAGE SUPPLY TO THE PEDAL ANGLE SENSOR 
    • Connect: ABS Module C135.
    • Ignition ON.
    • Measure the voltage between ground and:
      • brake pedal angle sensor C2299-1, circuit LCA27 (BN/WH), harness side.
      • brake pedal angle sensor C2299-6, circuit LCA27 (BN/WH), harness side.
        Fig 2: Checking Voltage Supply To Pedal Angle Sensor
        G06094547Courtesy of FORD MOTOR CO.
    • Are the voltages approximately 5 volts? 
      • Yes:  INSTALL a new brake pedal angle sensor. REFER to Brake Pedal Angle Sensor in HYDRAULIC BRAKE ACTUATION .
      • No:  If the voltage is less than 5 volts, GO to U4.

        If the voltage is greater than 5 volts, GO to  U5.

  4. U4 CHECK THE SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Disconnect: ABS Module C135.
    • Measure the resistance between ground and:
      • brake pedal angle sensor C2299-1, circuit LCA27 (BN/WH), harness side.
      • brake pedal angle sensor C2299-6, circuit LCA27 (BN/WH), harness side.
        Fig 3: Checking Sensor Voltage Supply Circuit For Short To Ground
        G06094548Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10, 000 ohms? 
  5. U5 CHECK THE SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE 
    • Ignition OFF.
    • Disconnect: ABS Module C135.
    • Ignition ON.
    • Measure the voltage between ground and:
      • brake pedal angle sensor C2299-1, circuit LCA27 (BN/WH), harness side.
      • brake pedal angle sensor C2299-6, circuit LCA27 (BN/WH), harness side.
        Fig 4: Checking Sensor Voltage Supply Circuit For Short To Voltage
        G06094547Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
  6. U6 CHECK THE BRAKE PEDAL ANGLE SENSOR PIDs 
    • Connect: ABS Module C135.
    • Connect: Brake Pedal Angle Sensor C2299.
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: DataLogger - ABS Module.
    • Monitor the following PIDs while applying and releasing the brake pedal:
      • Brake Pedal Angle Sensor Circuit 1 (BRK_PDL)
      • Brake Pedal Angle Sensor Circuit 2 (BRK_PDL_B)
    • Do the PID values reflect the movement of the brake pedal? 
      • Yes:  CLEAR the DTCs. REPEAT the self-test. If DTC C100A:62 returns, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE - HYBRID  . TEST the system for normal operation.
      • No:  If the BRK_PDL PID does not reflect the movement of the brake pedal, GO to  U10.

        If the BRK_PDL_B PID does not reflect the movement of the brake pedal, GO to U7.

  7. U7 CHECK THE SENSOR SIGNAL 1 RETURN CIRCUIT FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Disconnect: Brake Pedal Angle Sensor C2299 (if not previously disconnected).
    • Disconnect: ABS Module C135 (if not previously disconnected).
    • Measure the resistance between brake pedal angle sensor C2229-3, circuit VCA30 (YE/VT), harness side and ground.
      Fig 5: Checking Sensor Signal 1 Return Circuit For Short To Ground
      G06094550Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10, 000 ohms? 
      • Yes:  GO to  U9.
      • No:  REPAIR circuit VCA30 (YE/VT). CLEAR the DTCs. REPEAT the self-test.
  8. U8 CHECK THE SENSOR SIGNAL 1 RETURN CIRCUIT FOR A SHORT TO VOLTAGE 
    • Ignition OFF.
    • Disconnect: Brake Pedal Angle Sensor C2299.
    • Disconnect: ABS Module C135.
    • Ignition ON.
    • Measure the voltage between brake pedal angle sensor C2299-3, circuit VCA30 (YE/VT), harness side and ground.
      Fig 6: Measuring Voltage Between Brake Pedal Angle Sensor C2299-3, Circuit VCA30 (YE/VT) And Ground
      G06094551Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
      • Yes:  REPAIR circuit VCA30 (YE/VT). CLEAR the DTCs. REPEAT the self-test.
      • No:  GO to  U13.
  9. U9 CHECK THE SENSOR SIGNAL 1 RETURN CIRCUIT FOR AN OPEN 
    • Measure the resistance between brake pedal angle sensor C2299-3, circuit VCA30 (YE/VT), harness side and ABS module C135-44, circuit VCA30 (YE/VT), harness side.
      Fig 7: Checking Sensor Signal 1 Return Circuit For Open
      G08018955Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
      • Yes:  GO to  U14.
      • No:  REPAIR circuit VCA30 (YE/VT). CLEAR the DTCs. REPEAT the self-test.
  10. U10 CHECK THE SENSOR SIGNAL 2 RETURN CIRCUIT FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Disconnect: Brake Pedal Angle Sensor C2299 (if not previously disconnected).
    • Disconnect: ABS Module C135 (if not previously disconnected).
    • Measure the resistance between brake pedal angle sensor C2299-4, circuit VCA43 (WH/GN), harness side and ground.
      Fig 8: Measuring Resistance Between Brake Pedal Angle Sensor C2299-4, Circuit VCA43 (WH/GN) And Ground
      G06094553Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10, 000 ohms? 
      • Yes:  GO to  U12.
      • No:  REPAIR circuit VCA43 (WH/GN). CLEAR the DTCs. REPEAT the self-test.
  11. U11 CHECK THE SENSOR SIGNAL 2 RETURN CIRCUIT FOR A SHORT TO VOLTAGE 
    • Ignition ON.
    • Measure the voltage between brake pedal angle sensor C2299-4, circuit VCA43 (WH/GN), harness side and ground.
      Fig 9: Measuring Voltage Between Brake Pedal Angle Sensor C2299-4, Circuit VCA43 (WH/GN) And Ground
      G06094554Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
      • Yes:  REPAIR circuit VCA43 (WH/GN). CLEAR the DTCs. REPEAT the self-test.
      • No:  GO to  U13.
  12. U12 CHECK THE SENSOR SIGNAL 2 RETURN CIRCUIT FOR AN OPEN 
    • Measure the resistance between brake pedal angle sensor C2299-4, circuit VCA43 (WH/GN), harness side and ABS module C135-11, circuit VCA43 (WH/GN), harness side.
      Fig 10: Measuring Resistance Between Brake Pedal Angle Sensor C2299-4 And ABS Module C135-11, Circuit VCA43 (WH/GN)
      G06094555Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
      • Yes:  GO to  U14.
      • No:  REPAIR circuit VCA43 (WH/GN). CLEAR the DTCs. REPEAT the self-test.
  13. U13 CHECK THE SENSOR GROUND CIRCUIT FOR AN OPEN 
    • Ignition OFF.
    • Measure the resistance between brake pedal angle sensor C2299-2, circuit RCA27 (WH), harness side and ABS module C135-14, circuit RCA27 (WH), harness side.
      Fig 11: Measuring Resistance Between Brake Pedal Angle Sensor C2299-2 And ABS Module C135-14, Circuit RCA27 (WH)
      G08018959Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
      • Yes:  INSTALL a new brake pedal angle sensor. REFER to Brake Pedal Angle Sensor in HYDRAULIC BRAKE ACTUATION .
      • No:  REPAIR circuit RCA27 (WH). CLEAR the DTCs. REPEAT the self-test.
  14. U14 CHECK THE SENSOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN 
    • Measure the resistance between brake pedal angle sensor C2299-1, circuit LCA27 (BN/WH), harness side and ABS module C135-2, circuit LCA27 (BN/WH), harness side.
      Fig 12: Measuring Resistance Between Brake Pedal Angle Sensor C2299-1 And ABS Module C135-2, Circuit LCA27 (BN/WH)
      G08018960Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
      • Yes:  INSTALL a new brake pedal angle sensor. REFER to Brake Pedal Angle Sensor in HYDRAULIC BRAKE ACTUATION .
      • No:  REPAIR circuit LCA27 (BN/WH). CLEAR the DTCs. REPEAT the self-test.
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