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SMART Fortwo 2009 Equipment & Instructions page 74

Electrical system

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Fig. 63: Identifying Indicator/Warning Messages Displays
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Function
Various alternatives are available to the instrument cluster for the output of messages:
Visual indicator/warning message via
Indicator/warning lamps
¡
Multifunction display
¡
Acoustic indicator/warning messages via
internal tone signal generator
¡
Visual indicator/warning messages via indicator/warning lamps
Turn signal indicator lamps
These are activated differently according to function:
Turn signaling
¡
Hazard warning flasher
¡
The turn signal flasher is always accompanied by an acoustic clicking sound generated in the same
rhythm.
Turn signaling:
During turn signaling the corresponding turn signal indicator lamp is actuated. Actuation takes place via the
Controller Area Network (data bus/CAN bus) (CAN) by the SAM control unit (N10/10).
If one of the following lamps malfunctions, the corresponding turn signal indicator lamp is then actuated
at doubled-up frequency by the SAM control unit.
Left turn signal lamp (E1e5)
¡
Right turn signal lamp (E2e5)
¡
Left additional turn signal lamp (E22/1)
¡
Right additional turn signal lamp (E22/2)
¡
Left brake/turn signal lights (E3e11)
¡
Right brake/turn signal lights (E4e11)
¡
Hazard warning flasher:
When the hazard warning flashers are on the two turn signal indicator lamps in the instrument cluster are
actuated.
High beam indicator lamp

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