SAM control unit
Electrical system
29
Introduction of the smart fortwo, Model Series 451
The SAM control unit also communicates over:
• LIN B with the tachometer and the rain sensor/light
sensor
• LIN C with the ATA [EDW] microwave sensor and the
alarm siren with inclination sensor.
The fuse and relay box is integrated in the SAM
control unit.
The following relays are not accommodated on the SAM
control unit:
• Left turn signal/brake light relay (K52/11)
• Right turn signal/brake light relay (K52/12)
• Secondary air injection pump relay (K64)
• Soft top opening relay (K66/1) (only cabrio)
• Soft top closing relay (K66/2) (only cabrio)
P54.21-2703-00
SAM control unit (rear)
i Note
Up to six transmitter keys can be stored in the
SAM control unit.
SN_Typ 451_us.book Seite 29 Freitag, 30. November 2007 1:56 13
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