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Pinpoint Test A: B2572

WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
  1. A1 RETRIEVE AND RECORD ALL DTCS 
    • Ignition ON.
    • Using a scan tool, retrieve DTCs.
    • Was DTC B2572 set? 
    • Yes  : GO to A2.
    • No  : The issue may not be the BSIA system. GO to SYMPTOM CHART .
  2. A2 CHECK THE BSIA POWER CIRCUIT FOR AN OPEN 
    • Disconnect: Transmission Shift Selector C307.
    • Inspect for damaged or pushed-out terminals.
    • Apply and release the brake pedal.
    • Measure the voltage  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      C307-1 CET53 (BU/OG) - Ground
      Fig 1: Identifying Transmission Shift Selector Connector Terminals
      G08644868Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts with the brake pedal applied and 0 volt with the brake pedal released? 
    • Yes  : GO to A3.
    • No  : GO to  A4.
  3. A3 CHECK THE BSIA GROUND CIRCUIT FOR AN OPEN 
    • Measure the resistance  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      C307-5 GD139 (BK/YE) - Ground
      Fig 2: Identifying Transmission Shift Selector Connector Terminals
      G08644869Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : INSTALL a new selector lever assembly. REFER to SELECTOR LEVER .
    • No  : REPAIR the circuit.
  4. A4 CHECK THE BSIA POWER CIRCUIT FOR AN OPEN 
    • Ignition OFF.
    • Disconnect: SJB C2280C.
    • Inspect for damaged or pushed-out terminals.
    • Measure the resistance  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      C307-1 CET53 (BU/OG) C2280C-23 CET53 (BU/OG)
      Fig 3: Identifying Transmission Shift Selector And SJB Connector Terminals
      G08644870Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : GO to A5.
    • No  : REPAIR the circuit.
  5. A5 CHECK THE BSIA POWER CIRCUIT FOR A SHORT TO GROUND 
    • Measure the resistance  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      C307-1 CET53 (BU/OG) - Ground
      Fig 4: Identifying Transmission Shift Selector Connector Terminals
      G08644871Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10, 000 ohms? 
    • Yes  : GO to A6.
    • No  : REPAIR the circuit.
  6. A6 CHECK THE BSIA POWER CIRCUIT FOR A SHORT VOLTAGE 
    • Ignition ON.
    • Measure the voltage  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      C307-1 CET53 (BU/OG) - Ground
      Fig 5: Identifying Transmission Shift Selector Connector Terminals
      G08644872Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes  : REPAIR the circuit.
    • No  : INSTALL a new selector lever. REFER to SELECTOR LEVER .
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