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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2661 (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 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 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 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 SYSTEM WIRING DIAGRAMS article for schematic and connector information.
      Fig 1: Identifying ABS Module Connector Terminals
      G07784383Courtesy 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 the ABS MODULE DTC TABLE  in this service information.
  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, Circuit CCB30 (GY/VT) And Ground
      G07784384Courtesy 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, Circuit CCB30 (GY/VT) And Ground
      G07784385Courtesy 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, Circuit CCB30 (GY/VT) And Ground
      G07784386Courtesy 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, Circuit CCB30 (GY/VT) And Ground
      G07784387Courtesy 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 Electric Vacuum Pump C1119-2, Circuit GD121 (BK/YE) And Ground
      G07784388Courtesy 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: Checking Vacuum Pump Mechanical Relay Input Circuit For Voltage
      G07784389Courtesy 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 SYSTEM WIRING DIAGRAMS article to identify the possible causes 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 Betweeb Vacuum Pump Mechanical Relay Cavity 3, Cricuit SBB07 (WH/RD) And Cavity 5, Circuit CBB07 (GN/BU)
      G07784390Courtesy 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: Checking Mechanical Relay Control Circuit For Open
      G07784391Courtesy 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, Circuit CBB30 (GY/BK) And Ground
      G07784392Courtesy 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, Circuit CBB07 (GN/BU) And Ground
      G07784393Courtesy 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, Circuit CCB30 (GY/VT) And ABS Module C135-15, Circuit CCB30 (GY/VT)
      G07784394Courtesy 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, Circuit CCB30 (GY/VT) And Ground
      G07784395Courtesy 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, Circuit CBB29 (WH/VT) And Ground
      G07784396Courtesy 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: Checking Vacuum Pump Solid State Relay Output Circuit For Open Circuit
      G07784397Courtesy 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: Checking Vacuum Pump Monitor Circuit For Open Circuit
      G07784398Courtesy 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, Circuit CBB37 (WH) And Ground
      G07784399Courtesy 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, Circuit SBB07 (WH/RD) And Cavity 5, Circuit CBB07 (GN/BU)
      G07784400Courtesy 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: Connect A Fused Jumper Wire Between ABS Module C135-15, Circuit CBB30 (GY/BK) And Ground
      G07784401Courtesy 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 ANTI-LOCK BRAKE SYSTEM (ABS) MODULE - HYBRID  in this service information. 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.
      Fig 20: Connecting Fused Jumper Wire Between Vacuum Pump Solid State Relay Cavity 30, Circuit CCB29 (WH/VT) And Cavity 87, Circuit CBB07 (GN/BU)
      G07784402Courtesy of FORD MOTOR CO.
    • 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).
    • 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 in POWER BRAKE ACTUATION -- BRAKE BOOSTER article. CLEAR the DTCs. REPEAT the self-test.
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