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PINPOINT TEST AH: DTCs B103B AND B1111

NOTE: When taking measurements at Dual Climate Controlled Seat Module (DCSM) harness connectors, do not insert the electrical probes into the female connector pins. Inserting the probes into connector pins can cause intermittent or open electrical connections after reassembly resulting in Diagnostic Trouble Codes (DTCs) and system failure. Touching the tip of these connector pins is recommended instead.
NOTE: The air bag warning indicator illuminates when the correct Restraints Control Module (RCM) fuse is removed and the ignition switch is ON.
NOTE: The Supplemental Restraint System (SRS) must be fully operational and free of faults before releasing the vehicle to the customer.
  1. AH1 CHECK THE TED CIRCUITS FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Depower the SRS. Refer to SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING article in the General Procedures portion.
    • Disconnect: Driver Seat Side Air Bag C3051.
    • Disconnect: Driver Seat Safety Belt Buckle Pretensioner C3065.
    • Disconnect: Passenger Seat Side Air Bag C339.
    • Disconnect: Passenger Seat Safety Belt Buckle Pretensioner C3066.
    • Disconnect: DCSM C3265A.
    • Measure the resistance between DCSM C3265A, harness side and ground using the following chart:
      Connector Circuit
      C3265A-G CHS02 (YE/BU)
      C3265A-H RHS02 (BU/OG)
      C3265A-J CHS01 (GY/VT)
      C3265A-K RHS01 (WH/VT)
      Fig 1: Measuring Resistance Between DCSM C3265A Pins And Ground
      G07812290Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10, 000 ohms? 
      • Yes  : GO to AH2.
      • No  : If the resistance of C3265A-G, circuit CHS02 (YE/BU) and/or C3265A-H, circuit RHS02 (BU/OG) to ground is not  greater than 10, 000 ohms to ground, GO to  AH6. If the resistance of C3265A-J, circuit CHS01 (GY/VT) and/or C3265A-K, circuit RHS01 (WH/VT) to ground is not greater than 10, 000 ohms to ground, GO to  AH7.
  2. AH2 CHECK THE TED CIRCUITS FOR A SHORT TO VOLTAGE 
      WARNING: Make sure no one is in the vehicle and there is nothing blocking or placed in front of any air bag module when the battery is connected. Failure to follow these instructions may result in serious personal injury in the event of an accidental deployment.
    • Connect the battery ground cable. Refer to BATTERY, BATTERY MOUNTING & BATTERY CABLES article.
      • Ignition ON.
      • Measure voltage between DCSM C3265A, harness side and ground using the following chart:
        Connector Circuit
        C3265A-G CHS02 (YE/BU)
        C3265A-H RHS02 (BU/OG)
        C3265A-J CHS01 (GY/VT)
        C3265A-K RHS01 (WH/VT)
        Fig 2: Measuring Voltage Between DCSM C3265A Pins And Ground
        G07812291Courtesy of FORD MOTOR CO.
      • Is voltage present on any circuits? 
      • yes  : GO to AH3.

        If voltage is present at C3265A-J and/or C3265A-K, GO to  AH9.

      • No  : GO to AH3.
  3. AH3 CHECK THE RESISTANCE OF THE TED AND WIRING 
    • Ignition OFF.
    • Measure the resistance between:
      • DCSM C3265A-G, circuit CHS02 (YE/BU), harness side and DCSM C3265A-H, circuit RHS02 (BU/OG), harness side.
      • DCSM C3265A-J, circuit CHS01 (GY/VT), harness side and C3265A-K, circuit RHS01 (WH/VT), harness side.
      Fig 3: Checking TED And Wiring Resistance
      G07812292Courtesy of FORD MOTOR CO.
    • Are the resistances between 0.9 and 10 ohms? 
      • Yes  : INSTALL a new DCSM. REFER to DUAL CLIMATE CONTROLLED SEAT MODULE (DCSM)  in this service information. CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

      • No  : If the resistance between DCSM C3265A-G and C3265A-H is not between 0.9 and 10 ohms, GO to  AH5.

        If the resistance between DCSM C3265A-J and C3265A-K is not between 0.9 and 10 ohms, GO to AH4.

  4. AH4 CHECK THE BACKREST TED RESISTANCE 
    • Disconnect: Backrest TED C3034.
    • Measure the resistance between backrest TED C3034 pin 1 and pin 3, component side.
      Fig 4: Measuring Resistance Between Backrest TED C3034 Pin 1 And Pin 3, Component Side
      G07812293Courtesy of FORD MOTOR CO.
    • Is the resistance between 0.9 and 10 ohms? 
      • Yes  : REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

      • No  : INSTALL a new backrest TED. REFER to SEAT BACKREST THERMO-ELECTRIC DEVICE  in this service information.

        CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

  5. AH5 CHECK THE CUSHION TED RESISTANCE 
    • Disconnect: Cushion TED C3035.
    • Measure the resistance between cushion TED C3035 pin 1 and pin 3, component side.
      Fig 5: Measuring Resistance Between Cushion TED C3035 Pin 1 And 3, Component Side
      G07812294Courtesy of FORD MOTOR CO.
    • Is the resistance between 0.9 and 10 ohms? 
      • Yes  : REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

      • No  : INSTALL a new cushion TED. REFER to SEAT CUSHION THERMO-ELECTRIC DEVICE  in this service information. CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

  6. AH6 CHECK THE CUSHION TED CIRCUITS FOR A SHORT TO GROUND 
    • Disconnect: Cushion TED C3035.
    • Measure the resistance between:
      • DCSM C3265A-G, circuit CHS02 (YE/BU), harness side and ground.
      • DCSM C3265A-H, circuit RHS02 (BU/OG), harness side and ground.
      Fig 6: Checking Cushion TED Circuits For Short To Ground
      G07812295Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10, 000 ohms? 
      • Yes  : INSTALL a new cushion TED. REFER to SEAT CUSHION THERMO-ELECTRIC DEVICE  in this service information. CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

      • No  : REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

  7. AH7 CHECK THE BACKREST TED CIRCUITS FOR A SHORT TO GROUND 
    • Disconnect: Backrest TED C3034.
    • Measure the resistance between:
      • DCSM C3265A-J, circuit CHS01 (GY/VT), harness side and ground.
      • DCSM C3265A-K, circuit RHS01 (WH/VT), harness side and ground.
      Fig 7: Measuring Resistance Between DCSM C3265A-J, Circuit CHS01 (GY/VT), Harness Side And Ground
      G07812296Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10, 000 ohms? 
      • Yes  : INSTALL a new backrest TED. REFER to SEAT BACKREST THERMO-ELECTRIC DEVICE  in this service information.

        CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

      • No  : REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

  8. AH8 CHECK THE CUSHION TED CIRCUITS FOR A SHORT TO VOLTAGE 
    • Disconnect: Cushion TED C3035.
    • Ignition ON.
    • Measure voltage between:
      • DCSM C3265A-G, circuit CHS02 (YE/BU), harness side and ground.
      • DCSM C3265A-H, circuit RHS02 (BU/OG), harness side and ground.
      Fig 8: Checking Cushion TED Circuits For Short To Voltage
      G07812297Courtesy of FORD MOTOR CO.
    • Is voltage present on either circuit? 
      • Yes  : REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

      • No  : INSTALL a new cushion TED. REFER to SEAT CUSHION THERMO-ELECTRIC DEVICE  in this service information. CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

  9. AH9 CHECK THE BACKREST TED CIRCUITS FOR A SHORT TO VOLTAGE 
    • Disconnect: Backrest TED C3034.
    • Ignition ON.
    • Measure voltage between:
      • DCSM C3265A-J, circuit CHS01 (GY/VT), harness side and ground.
      • DCSM C3265A-K, circuit RHS01 (WH/VT), harness side and ground.
      Fig 9: Checking Backrest TED Circuits For Short To Voltage
      G07812298Courtesy of FORD MOTOR CO.
    • Is voltage present on either circuit? 
      • Yes  : REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

      • No  : INSTALL a new backrest TED. REFER to SEAT BACKREST THERMO-ELECTRIC DEVICE  in this service information.

        CLEAR the DTCs. REPEAT the self-test.

        DISCONNECT the battery ground cable.

        CONNECT passenger seat safety belt buckle pretensioner C3066.

        CONNECT passenger seat side air bag module C339.

        CONNECT driver seat safety belt buckle pretensioner C3065.

        CONNECT driver seat side air bag C3051.

        REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.

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