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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1706 (Anti-Lock Brake System - Vehicle Dynamic Systems) >> Diagnosis And Testing >> Anti-Lock Control - Hybrid >> Pinpoint Tests >> Pinpoint Test X: DTCs C101C:01 and 71 >> PINPOINT TEST X: DTCs C101C:01 AND 71

PINPOINT TEST X: DTCs C101C:01 AND 71

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.
  1. X1 VERIFY ALL WIRING CONNECTIONS 
    • Disconnect: Vacuum Pump Motor C1119.
    • Disconnect: ABS Module C135.
    • Disconnect: Vacuum Pump Solid State Relay.
    • Disconnect: Vacuum Pump Mechanical Relay.
    • 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:
      • C135-15
      • C135-20
      • C135-35
      • C1119-1
      • C1119-2
      • Vacuum pump solid state relay cavities
      • Vacuum pump mechanical relay cavities
    • Refer to the appropriate SYSTEM WIRING DIAGRAMS article for schematic and connector information.
      Fig 1: Identifying C135 & C119 Connector Terminals
      G06257161Courtesy of FORD MOTOR CO.
    • Is each terminal free of corrosion, pushed-out pins or spread terminals? 
    • Yes:  GO to  X2.
    • No:  REPAIR the affected terminal(s). CLEAR the DTCs. REPEAT the self-test.
  2. X2 CHECK THE DTCs FROM THE ABS MODULE SELF-TEST 
    • Connect: Vacuum Pump Motor C1119.
    • Connect: ABS Module C135.
    • Connect: Vacuum Pump Solid State Relay.
    • Connect: Vacuum Pump Mechanical Relay.
    • Review the DTCs retrieved and recorded during INSPECTION AND VERIFICATION .
    • Is DTC C101C:01 or C101C:71 present? 
    • Yes:  If DTC C101C:01 is present, GO to  X5.

      If DTC C101C:71 is present, GO to  X3.

    • No:  For all other ABS module DTCs, GO to ABS MODULE DTC TABLE .
  3. X3 CHECK THE SOLID STATE RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Disconnect: Vacuum Pump Solid State Relay.
    • Measure the resistance between the vacuum pump solid state relay socket 86, circuit CCB30 (GY/VT) and ground.
      Fig 2: Measuring Resistance Between Vacuum Pump Solid State Relay Socket 86 & Ground
      G06257162Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  INSTALL a new vacuum pump solid state relay.
    • No:  GO to  X4.
  4. X4 ISOLATE THE SOLID STATE RELAY CONTROL CIRCUIT 
    • Ignition OFF.
    • Disconnect: ABS Module C135.
    • Measure the resistance between the vacuum pump solid state relay socket 86, circuit CCB30 (GY/VT) and ground.
      Fig 3: Measuring Resistance Between Vacuum Pump Solid State Relay Socket 86 & Ground
      G06257162Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to  X24.
    • No:  REPAIR circuit CCB30 (GY/VT). CLEAR the DTCs. REPEAT the self-test.
  5. X5 CHECK THE VACUUM PUMP MOTOR 
    • Ignition ON.
    • Is the vacuum pump running all the time? 
    • Yes:  GO to  X6.
    • No:  GO to  X11.
  6. X6 ISOLATE THE SOLID STATE RELAY 
    • Disconnect: Vacuum Pump Solid State Relay.
    • Is the vacuum pump running all the time? 
    • Yes:  GO to  X9.
    • No:  GO to  X7.
  7. X7 CHECK THE SOLID STATE RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Measure the resistance between the vacuum pump solid state relay cavity 86, circuit CCB30 (GY/VT) and ground.
      Fig 4: Measuring Resistance Between Vacuum Pump Solid State Relay Cavity 86 & Ground
      G06257162Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  INSTALL a new solid state relay. CLEAR the DTCs. REPEAT the self-test.
    • No:  GO to  X8.
  8. X8 ISOLATE THE ABS MODULE 
    • Disconnect: ABS Module C135.
    • Measure the resistance between the vacuum pump solid state relay cavity 86, circuit CCB30 (GY/VT) and ground.
      Fig 5: Measuring Resistance Between Vacuum Pump Solid State Relay Cavity 86 & Ground
      G06257165Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to  X24.
    • No:  REPAIR circuit CCB30 (GY/VT). CLEAR the DTCs. REPEAT the self-test.
  9. X9 ISOLATE THE VACUUM PUMP MOTOR CONTROL CIRCUIT 
    • Disconnect: BJB Fuse 37 (5A).
    • Is the pump running all the time? 
    • Yes:  REPAIR circuit CCB29 (WH/VT). CLEAR the DTCs. REPEAT the self-test.
    • No:  GO to  X10.
  10. X10 CHECK THE ABS MODULE PUMP MOTOR MONITOR CIRCUIT 
    • Connect: BJB Fuse 37 (5A).
    • Ignition OFF.
    • Disconnect: ABS Module C135.
    • Ignition ON.
    • Is the pump running all the time? 
    • Yes:  REPAIR circuit CBB37 (WH). CLEAR the DTCs. REPEAT the self-test.
    • No:  GO to  X24.
  11. X11 CHECK THE VACUUM PUMP GROUND CIRCUIT FOR AN OPEN 
    • Ignition OFF.
    • Disconnect: Vacuum Pump Motor C1119.
    • Measure the resistance between vacuum pump motor C1119-2, circuit GD121 (BK/YE), harness side and ground.
      Fig 6: Measuring Resistance Between Vacuum Pump Motor C1119-2 & Ground
      G06257166Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to  X12.
    • No:  REPAIR circuit GD121 (BK/YE). CLEAR the DTCs. REPEAT the self-test.
  12. X12 CHECK THE VACUUM PUMP MECHANICAL RELAY INPUT CIRCUIT FOR VOLTAGE 
    • Connect: Vacuum Pump Motor C1119.
    • Measure the voltage between ground and:
      • vacuum pump mechanical relay cavity 3, circuit SBB07 (WH/RD).
      • vacuum pump mechanical relay cavity 2, circuit SBB07 (WH/RD).
      Fig 7: Measuring Voltage Between Ground & Vacuum Pump Mechanical Relay Cavity 3
      G06257167Courtesy of FORD MOTOR CO.
    • Are the voltages greater than 10 volts? 
    • Yes:  GO to  X13.
    • No:  VERIFY BJB fuse 7 (40A) is OK. If OK, REPAIR circuit SBB07 (WH/RD).

      If not OK, REFER to the appropriate SYSTEM WIRING DIAGRAMS article to identify the cause of the circuit short.

      CLEAR the DTCs. REPEAT the self-test.

  13. X13 ISOLATE THE VACUUM PUMP MECHANICAL RELAY 
    • Connect the scan tool.
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: DataLogger - ABS Module.
    • Install a fused jumper wire between vacuum pump mechanical relay cavity 3, circuit SBB07 (WH/RD) and cavity 5, circuit CBB07 (GN/BU).
      Fig 8: Connecting Fused Jumper Wire Between Vacuum Pump Mechanical Relay Cavity 3 & Cavity 5
      G06257168Courtesy of FORD MOTOR CO.
    • Using the scan tool, toggle the vacuum pump (VAC_PMP) active command on.
    • Does the pump motor run? 
    • Yes:  REMOVE the fused jumper wire. GO to  X14.
    • No:  GO to  X16.
  14. X14 CHECK THE MECHANICAL RELAY CONTROL CIRCUIT FOR AN OPEN 
    • Ignition OFF.
    • Disconnect: ABS Module C135.
    • Measure the resistance between ABS module C135-35, circuit CBB30 (GY/BK), harness side and vacuum pump mechanical relay socket 1, circuit CBB30 (GY/BK).
      Fig 9: Measuring Resistance Between ABS Module C135-35 & Vacuum Pump Mechanical Relay Socket 1
      G06257169Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to  X15.
    • No:  REPAIR circuit CBB30 (GY/BK). CLEAR the DTCs. REPEAT the self-test.
  15. X15 CHECK THE MECHANICAL RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND 
    • Measure the resistance between ABS module C135-35, circuit CBB30 (GY/BK), harness side and ground.
      Fig 10: Measuring Resistance Between ABS Module C135-35 & Ground
      G06257170Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  INSTALL a new vacuum pump mechanical relay. CLEAR the DTCs. REPEAT the self-test.
    • No:  REPAIR circuit CBB30 (GY/BK). CLEAR the DTCs and REPEAT the self-test.
  16. X16 CHECK THE SOLID STATE RELAY INPUT CIRCUIT FOR VOLTAGE 
    • Disconnect: Vacuum Pump Solid State Relay.
    • Measure the voltage between vacuum pump solid state relay cavity 30, circuit CBB07 (GN/BU) and ground.
      Fig 11: Measuring Voltage Between Vacuum Pump Solid State Relay Cavity 30 & Ground
      G06257171Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes:  REMOVE the fused jumper wire. GO to  X17.
    • No:  REPAIR circuit CBB07 (GN/BU). CLEAR the DTCs and REPEAT the self-test.
  17. X17 CHECK THE SOLID STATE RELAY CONTROL CIRCUIT FOR AN OPEN CIRCUIT 
    • Disconnect: ABS Module C135.
    • Measure the resistance between the vacuum pump solid state relay cavity 86, circuit CCB30 (GY/VT), and ABS module C135-15, circuit CCB30 (GY/VT), harness side.
      Fig 12: Measuring Resistance Between Vacuum Pump Solid State Relay Cavity 86 & ABS Module C135-15
      G06257172Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to  X18.
    • No:  REPAIR circuit CCB30 (GY/VT). CLEAR the DTCs. REPEAT the self-test.
  18. X18 CHECK THE SOLID STATE RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND 
    • Measure the resistance between ABS module C135-15, circuit CCB30 (GY/VT), harness side and ground.
      Fig 13: Measuring Resistance Between ABS Module C135-15 & Ground
      G06257173Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to  X19.
    • No:  REPAIR circuit CCB30 (GY/VT). CLEAR the DTCs and REPEAT the self-test.
  19. X19 CHECK THE VACUUM PUMP SOLID STATE RELAY OUTPUT CIRCUIT FOR A SHORT TO GROUND 
    • Disconnect: Vacuum Pump Motor C1119.
    • Disconnect: BJB Fuse 37 (5A).
    • Measure the resistance between the vacuum pump solid state relay cavity 87, circuit CBB29 (WH/VT), harness side and ground.
      Fig 14: Measuring Resistance Between Vacuum Pump Solid State Relay Cavity 87 & Ground
      G06257174Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to  X20.
    • No:  REPAIR circuit CBB29 (WH/VT). CLEAR the DTCs and REPEAT the self-test.
  20. X20 CHECK THE VACUUM PUMP SOLID STATE RELAY OUTPUT CIRCUIT FOR AN OPEN CIRCUIT 
    • Measure the resistance between the vacuum pump solid state relay cavity 87, circuit CBB29 (WH/VT) and:
      • vacuum pump motor C1119-1, circuit CBB29 (WH/VT), harness side.
      • BJB fuse 37 (5A), circuit CBB29 (WH/VT), input side.
      Fig 15: Measuring Resistance Between Vacuum Pump Solid State Relay Cavity 87 & Vacuum Pump Motor C1119-1
      G06257175Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to  X21.
    • No:  REPAIR circuit CBB29 (WH/VT). CLEAR the DTCs and REPEAT the self-test.
  21. X21 CHECK THE VACUUM PUMP MONITOR CIRCUIT FOR AN OPEN CIRCUIT 
    • Measure the resistance between BJB fuse 37 (5A), circuit CBB37 (WH), input side and ABS module C135-20, circuit CBB37 (WH), harness side.
      Fig 16: Measuring Resistance Between BJB Fuse 37 (5A) & ABS Module C135-20
      G06257176Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to  X22.
    • No:  REPAIR circuit CBB37 (WH). CLEAR the DTCs and REPEAT the self-test.
  22. X22 CHECK THE VACUUM PUMP MONITOR CIRCUIT FOR A SHORT TO GROUND 
    • Measure the resistance between ABS module C135-20, circuit CBB37 (WH), harness side and ground.
      Fig 17: Measuring Resistance Between ABS Module C135-20 & Ground
      G06257173Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to  X23.
    • No:  REPAIR circuit CBB37 (WH). CLEAR the DTCs and REPEAT the self-test.
  23. X23 CHECK THE VACUUM PUMP OPERATION 
    • Connect: Vacuum Pump Motor C1119.
    • Connect: Vacuum Pump Motor Solid State Relay.
    • Install a fused jumper wire between vacuum pump mechanical relay cavity 3, circuit SBB07 (WH/RD) and cavity 5, circuit CBB07 (GN/BU).
      Fig 18: Connecting Fused Jumper Wire Between Vacuum Pump Mechanical Relay Cavity 3 & Cavity 5
      G06257168Courtesy of FORD MOTOR CO.
    • Momentarily  connect a fused jumper wire between ABS module C135-15, circuit CBB30 (GY/BK), harness side and ground.
      Fig 19: Connecting Fused Jumper Wire Between ABS Module C135-15 & Ground
      G06257179Courtesy of FORD MOTOR CO.
    • Does the pump run when the jumper wire is connected to ground? 
    • Yes:  REMOVE both fused jumper wires. GO to  X24.
    • No:  REMOVE the fused jumper wire from the ABS module connector. GO to  X25.
  24. X24 CHECK FOR CORRECT ABS MODULE OPERATION 
    • Disconnect: ABS Module C135.
    • Check the connector 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.
  25. X25 ISOLATE THE VACUUM PUMP MOTOR 
    • Disconnect: Vacuum Pump Motor Solid State Relay.
      NOTE: The fused jumper wire on the mechanical relay should still be installed from the previous step.
    • Momentarily  connect a fused jumper wire between vacuum pump solid state relay cavity 30, circuit CCB29 (WH/VT) and cavity 87, circuit CBB07 (GN/BU).
      Fig 20: Connecting Fused Jumper Wire Between Vacuum Pump Solid State Relay Cavity 30 & Cavity 87
      G06257180Courtesy of FORD MOTOR CO.
    • Does the pump run when the jumper wire is connected? 
    • Yes:  INSTALL a new solid state relay. CLEAR the DTCs. REPEAT the self-test.
    • No:  INSTALL a new vacuum pump. REFER to BRAKE VACUUM PUMP . CLEAR the DTCs. REPEAT the self-test.
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