ForTwo L3-1.0L (2009)
Body Control Module: Description and Operation
GF54.21-P-4157MCU Component Description For The SAM Control Unit
N10/10 SAM control unit
Location
The SAM control unit is located in the footwell on the passenger side.
Task
The SAM control unit supplies control units and electrical components with voltage via limit switches. The individual control units and electrical
components are fused via the fuse and relay blocks contained in the SAM control unit.
The SAM control unit controls the following functions:
^
Drive authorization
^
Central locking
^
Exterior lighting
^
Interior lighting
^
Wiper system
^
Rear window defroster
^
Heated outside mirror (with code (V21) Electrically adjustable and heated outside mirror (FFO))
^
Anti-theft alarm system (with code (V01) Anti-theft alarm system (FFO))
^
Soft top (with model 451.4)
Requests are conveyed to the SAM control unit via data bus systems or via read-in switches and sensors.
The SAM control unit is a subscriber on the Controller Area Network (data bus/CAN bus) (CAN).
The following components are read in to control the functions:
Via local interconnect network interior 1 (LIN B):
^
Rain sensor / light sensor (B38)
(with code (V54) Rain/light sensor)
^
Tachometer (A15p4)
(with code (V31) Cockpit clock and tachometer package)
Via local interconnect network interior 2 (LIN C):
^
Alarm siren with inclination sensor (H3/2)
(with code (V01) Vehicle theft alarm (FFO))
^
Microwave sensor (B32)
(with code (V01) Vehicle theft alarm (FFO))
Components read in directly:
^
Transmitter key
^
Transponder coil (L11)
^
Wiper motor (M6/1)
^
Rear-end door wiper motor (M6/4) (on model 451.3)
^
Heated rear window switch (N23s1)
