Ford Fusion: Multifunction Electronic Modules / Module Controlled Functions - Overview. Description and Operation
Body Control Module (BCM)
The BCM controls the following:
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Battery saver function
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Brake shift interlock
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Delayed accessory function
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Dimmable backlighting
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Decklid release
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Exterior lighting
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Horn
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Ignition state messaging
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Push-button start function
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Interior lighting
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Key validation (part of the PATS)
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Keyless entry keypad
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PATS
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Perimeter alarm
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Post crash alert function
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Power door locks
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RKE system
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Remote start
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TPMS
System Operation
Battery Saver
The battery saver feature is use to save battery voltage. The BCM provides automatic shut-off of the interior and exterior lamps after a time-out period when the ignition is off...
Other information:
Removal
Remove the front seat.
Refer to: Front Seat (501-10A Front Seats, Removal and Installation).
Detach the electrical connector retainers and position the wire harnesses aside.
Detach the backrest cover straps and position the backrest cover upward...
The key cylinder is under a cap on the driver
door handle.
To remove the cap:
Insert the key blade into the slot on the
bottom of the handle and apply
upward pressure.
While maintaining upward pressure,
move the cap rearward to release it.
Gently remove the key while doing so...