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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 ground and HSWM  C2406-5, circuit VHS73 (GN/BN), harness side.
      Fig 1: Measuring Resistance Between Ground And HSWM C2406-5 Connector Terminals
      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 Supplemental Restraint System (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 ground and HSWM  C2406-5, circuit VHS73 (GN/BN), harness side.
      Fig 2: Measuring Resistance Between Ground And HSWM C2406-5 Connector Terminals
      G07397685Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to E4  .
    • No:  REPAIR circuit VHS73 (GN/BN) for a short to ground. CONNECT clockspring C218A and HSWM  C2406. REPOWER the SRS  . REFER to SUPPLEMENTAL RESTRAINT SYSTEM . CLEAR the DTCs. REPEAT the self-test. 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 ground and clockspring C218B-1, harness side.
      Fig 3: Measuring Resistance Between Ground And Clockspring C218B-1 Connector Terminals
      G07397687Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
  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 ground and:
      • HSWM  C2406-5, circuit VHS73 (GN/BN), harness side.
      • HSWM  C2406-12, circuit RHS73 (BN/BU), harness side.
        Fig 4: Measuring Voltage Between Ground And HSWM C2406-5 Connector Terminals
        G07397688Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes:  REPAIR circuit VHS73 (GN/BN) or RHS73 (BN/BU) for a short to voltage. DISCONNECT battery ground cable C1100B. CONNECT clockspring C218A and HSWM  C2406. REPOWER the SRS  . REFER to SUPPLEMENTAL RESTRAINT SYSTEM . CLEAR the DTCs. REPEAT the self-test. 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 RHS73 (BN/BU), harness side and HSWM  C2406-12, circuit VHS73 (GN/BN), harness side.
      Fig 5: Measuring Resistance Between HSWM C2406-5 And HSWM C2406-12 Connector Terminals
      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 RHS73 (BN/BU), harness side and HSWM  C2406-12, circuit VHS73 (GN/BN), harness side.
      Fig 6: Measuring Resistance Between HSWM C2406-5 And HSWM C2406-12 Connector Terminals
      G07397689Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to  E9.
    • No:  REPAIR circuit VHS73 (GN/BN) and RHS73 (BN/BU) for a short together. CONNECT clockspring C218A and HSWM  C2406.

      REPOWER the SRS  . REFER to SUPPLEMENTAL RESTRAINT SYSTEM . CLEAR the DTCs. REPEAT the self-test. 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 VHS73 (GN/BN), harness side and clockspring C218A-3, circuit VHS73 (GN/BN), harness side.
      Fig 7: Measuring Resistance Between HSWM C2406-5 And Clockspring C218A-3 Connector Terminals
      G07397691Courtesy 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 And C218A-2 Connector Terminals
      G07397692Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes:  GO to E9  .
    • No:  REPAIR circuit VHS73 (GN/BN) or RHS73 (BN/BU) for an open. CONNECT clockspring C218A and HSWM  C2406. REPOWER the SRS  . REFER to SUPPLEMENTAL RESTRAINT SYSTEM . CLEAR the DTCs. REPEAT the self-test. 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 And Clockspring C218B-2 Connector Terminals
      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. REINSTALL the driver air bag module. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . HSWM  C2406. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
    • No:  INSTALL a new steering wheel. REFER to STEERING WHEEL . REINSTALL the driver air bag module. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . HSWM  C2406. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  10. E10 CHECK THE HSWM CONNECTION 
    • Disconnect all the HSWM  connectors.
    • Inspect the HSWM  connectors for:
      • corrosion
      • pushed-out terminals
      • damaged terminals
    • Connect and correctly seat all the HSWM  and clockspring connectors.
    • Repower the SRS  . REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
    • Ignition ON.
    • Clear the DTCs.
    • Enter the following diagnostic mode on the scan tool: Self-Test - Heated Steering Wheel Module (HSWM).
    • Operate the heated steering wheel system and verify the concern is still present.
    • Is the concern still present? 
    • Yes:  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 a loose or corroded connector. TEST the system for normal operation.
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