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Pinpoint Test E: DTC U210A:11 Or U210A:15

  1. E1 CHECK THE HSWM DTCs 
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: Self-Test - HSWM.
    • Is DTC U210A:11 present? 
  2. E2 CHECK THE HEATER ELEMENT TEMPERATURE SENSOR REFERENCE CIRCUIT FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Disconnect: HSWM C2406.
    • Measure the resistance between HSWM C2406-5, circuit CHS71 (BU), harness side and ground.
      Fig 1: Measuring Resistance Between HSWM C2406-5, Circuit CHS71 (BU) And Ground
      G07397685Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10, 000 ohms? 
    • Yes  : GO to  E6.
    • No  : GO to E3.
  3. E3 CHECK THE HEATER ELEMENT TEMPERATURE SENSOR REFERENCE CIRCUIT FOR A SHORT TO GROUND 
    • Depower the SRS. Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
    • Remove the steering column shrouds to access the clockspring connectors. Refer to STEERING COLUMN SHROUD .
    • Disconnect: Clockspring C218A.
    • Measure the resistance between HSWM C2406-5, circuit CHS71 (BU), harness side and ground.
      Fig 2: Measuring Resistance Between HSWM C2406-5, Circuit CHS71 (BU) And Ground
      G07397685Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10, 000 ohms? 
    • Yes  : GO to E4.
    • No  : REPAIR the circuit. CONNECT clockspring C218A and HSWM C2406. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
  4. E4 CHECK THE HEATER ELEMENT TEMPERATURE SENSOR RESISTANCE 
    • Remove the driver air bag module. Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
    • Disconnect: Clockspring C218B.
    • Measure the resistance between clockspring C218B-1, harness side and ground.
      Fig 3: Measuring Resistance Between Clockspring C218B-1 And Ground
      G07397687Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10, 000 ohms? 
    • Yes  : INSTALL a new clockspring. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . CONNECT HSWM C2406. TEST the system for normal operation.
    • No  : INSTALL a new steering wheel. REFER to STEERING WHEEL . CONNECT HSWM C2406. TEST the system for normal operation.
  5. E5 CHECK THE HEATER ELEMENT TEMPERATURE SENSOR REFERENCE AND GROUND CIRCUIT FOR A SHORT TO VOLTAGE 
    • Ignition OFF.
    • Depower the SRS. Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
    • Remove the steering column shrouds to access the clockspring connectors. Refer to STEERING COLUMN SHROUD .
    • Disconnect: Clockspring C218A.
    • Disconnect: HSWM C2406.
    • Connect: Battery Ground Cable C1100B.
    • Ignition ON.
    • Measure the voltage between:
      • HSWM C2406-5, circuit CHS71 (BU), harness side and ground.
      • HSWM C2406-12, circuit RHS73 (BN/BU), harness side and ground.
        Fig 4: Checking Heater Element Temperature Sensor Reference And Ground Circuit For Short To Voltage
        G07397688Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes  : REPAIR the circuit. DISCONNECT battery ground cable C1100B. CONNECT clockspring C218A and HSWM C2406. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
    • No  : TURN the ignition OFF, DISCONNECT the battery ground cable C1100B, CONNECT clockspring C218A and GO to E6.
  6. E6 CHECK THE HEATER ELEMENT TEMPERATURE SENSOR AND CIRCUIT RESISTANCE 
    • Measure the resistance between HSWM C2406-5, circuit CHS71 (BU), harness side and HSWM C2406-12, circuit RHS73 (BN/BU), harness side.
      Fig 5: Measuring Resistance Between HSWM C2406-5, Circuit CHS71 (BU) And HSWM C2406-12
      G07397689Courtesy of FORD MOTOR CO.
    • Is the resistance between 627 and 670, 000 ohms? 
    • Yes  : GO to  E10.
    • No  : If the resistance is less  than 670 ohms, GO to E7.

      If the resistance is more  than the 670, 000 ohms, GO to  E8.

  7. E7 CHECK THE HEATER ELEMENT TEMPERATURE SENSOR CIRCUITS FOR A SHORT 
    • Disconnect: Clockspring C218A.
    • Measure the resistance between HSWM C2406-5, circuit CHS71 (BU), harness side and HSWM C2406-12, circuit RHS73 (BN/BU), harness side.
      Fig 6: Measuring Resistance Between HSWM C2406-5, Circuit CHS71 (BU) And HSWM C2406-12
      G07397689Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10, 000 ohms? 
    • Yes  : GO to  E9.
    • No  : REPAIR the circuit. CONNECT clockspring C218A and HSWM C2406. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
  8. E8 CHECK THE HEATER ELEMENT TEMPERATURE SENSOR CIRCUITS FOR AN OPEN 
    • Disconnect: Clockspring C218A.
    • Measure the resistance between HSWM C2406-5, circuit CHS71 (BU), harness side and clockspring C218A-3, circuit CHS71 (BU), harness side.
      Fig 7: Measuring Resistance Between HSWM C2406-5, Circuit CHS71 (BU) And Clockspring C218A-3
      G08596652Courtesy of FORD MOTOR CO.
    • Measure the resistance between HSWM C2406-12, circuit RHS73 (BN/BU), harness side and C218A-2, circuit RHS73 (BN/BU), harness side.
      Fig 8: Measuring Resistance Between HSWM C2406-12, Circuit RHS73 (BN/BU) And C218A-2
      G08596653Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes  : GO to E9.
    • No  : REPAIR the affected circuit. CONNECT clockspring C218A and HSWM C2406. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
  9. E9 CHECK THE HEATER ELEMENT TEMPERATURE SENSOR RESISTANCE 
    • Remove the driver air bag module. Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
    • Disconnect: Clockspring C218B.
    • Measure the resistance between clockspring C218B-1, steering wheel side and clockspring C218B-2, steering wheel side.
      Fig 9: Measuring Resistance Between Clockspring C218B-1, Steering Wheel Side And Clockspring C218B-2
      G07397693Courtesy of FORD MOTOR CO.
    • Is the resistance between 627 and 670, 000 ohms? 
    • Yes  : INSTALL a new clockspring. REFER to SUPPLEMENTAL RESTRAINT SYSTEM and connect all electrical connectors. TEST the system for normal operation.
    • No  : INSTALL a new steering wheel. REFER to STEERING WHEEL . TEST the system for normal operation.
  10. E10 CHECK THE HSWM CONNECTION 
    • Disconnect and inspect all HSWM connectors.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    • Reconnect the HSWM and clockspring connectors. Make sure they seat and latch correctly.
    • Repower the SRS. Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
    • Ignition ON.
    • Clear the DTCs.
    • Enter the following diagnostic mode on the scan tool: Self-Test - HSWM.
    • Operate the system and determine if the concern is still present.
    • Is the concern still present? 
    • Yes  : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new HSWM. REFER to HEATED STEERING WHEEL MODULE (HSWM) . TEST the system for normal operation.
    • No  : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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