SAM control unit
28
Electrical system
Introduction of the smart fortwo, Model Series 451
Almost all of the fuses in model 451 are accommodated
on the SAM control unit. Slots 1-31 are located on the
front of the SAM control unit; slots 32-35 are located
on the rear.
The following fuses are not accommodated on the SAM
control unit:
• Secondary air injection pump fuse (F36)
• Starter/alternator fuse (F58)
• SAM prefuse (F91)
The SAM control unit is installed in the vehicle interior
on the left side near the A-pillar under the instrument
panel.
The SAM control unit is linked with the CAN in order to
exchange data. It communicates with the following
components:
• Instrument cluster
• ESP control unit
• Restraint systems control unit
• ME-SFI [ME] control unit
• Heater/AC operating unit
• Steering assist control unit
• TPM [RDK] control unit
• Weight Sensing System (WSS) control unit
• Yaw rate, lateral and longitudinal acceleration
sensor
• Steering angle sensor
• Data link connector
P54.21-2702-00
SAM control unit (front)
SN_Typ 451_us.book Seite 28 Freitag, 30. November 2007 1:56 13
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