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PINPOINT TEST I : The Start-Stop Switch Mode Indicator is Always or Never Illuminated

  1. I1 CHECK FOR BCM DTC B1240:11 OR DTC B1240:15

    • Using a scan tool, perform BCM self-test.
    • Record all BCM DTCs.

    Is DTC B1240:11 or B1240:15 present? 

    Yes  For DTC B1240:11, GO to  I2. For DTC B1240:15, GO to  I3.
    No  GO to  I5.

  2. I2 CHECK THE MODE INDICATOR CIRCUIT FOR A SHORT TO GROUND

    • Ignition OFF.
    • Disconnect: BCM C2280B.
    • Disconnect: Start/Stop Switch.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2195-2
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance to ground greater than 10, 000 ohms? 

    Yes  INSTALL a new start/stop switch. REFER to Start/Stop Switch .
    No  REPAIR the circuit.

  3. I3 CHECK THE MODE INDICATOR CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition ON.
    • Disconnect: BCM C2280B.
    • Disconnect: Start/Stop Switch.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2195-2
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the circuit.
    No  GO to  I4.

  4. I4 CHECK THE MODE INDICATOR CIRCUIT FOR AN OPEN

    • Connect: BCM C2280B.
    • Connect: Start/Stop Switch.
    • Ignition OFF.
    • Disconnect: BCM C2280B.
    • Disconnect: Start/Stop Switch.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2195-2
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C2280B-42

    Is the resistance less than 3 ohms? 

    Yes  INSTALL a new start/stop switch. REFER to Start/Stop Switch .
    No  REPAIR the circuit.

  5. I5 CHECK START/STOP SWITCH INDICATOR

    • Ignition OFF.
    • Disconnect: BCM C2280B.
    • Connect a fused jumper wire:
      Positive Lead Measurement / Action Negative Lead
      C2280B-42
      GFD33601Courtesy of FORD MOTOR COMPANY
      		 Battery Positive Post

    Does the start/stop switch mode indicator illuminate? 

    Yes  REMOVE the fused jumper wire. GO to  I6.
    No  INSTALL a new start/stop switch. REFER to Start/Stop Switch .

  6. I6 CHECK FOR CORRECT BCM OPERATION

    • Disconnect and inspect all BCM 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 BCM connectors and all previously disconnected exterior system connectors. Make sure they seat and latch correctly.
    • 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 BCM. REFER to Multifunction Electronic Modules or REFER to Multifunction Electronic Modules .
    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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