2012 911 Section 9-1 11/3/11 10:30 AM Page 244
911 Carrera 911 Carrera S
Electrics and electronics
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Data bus systems Two LIN data bus systems are connected to the rear-end electronics control unit with the following function groups: LIN 1: Overhead operating console with inclination sensor, radar interior surveillance, EC interior mirror, externally running sliding roof, air deflector, roll up sunblind LIN 2: Alarm horn
9.7 Instrument cluster The instrument cluster is the central driver information unit and is used to display
levels, warnings and messages. General vehicle settings can be made in the instrument cluster by way of a selection 9_61_11
menu and made available to the control unit network via CAN. The following vehicle information is displayed in the middle on-board computer display area: Vehicle, Audio, Navigation, Map, Phone, Trip, Tire pressure, Chrono, Gear shift assist, Maximum g-force.
The instrument cluster also manages all on-board computer values, e.g. remaining range, and the warnings and audio information signals for the entire vehicle system. The engine and vehicle speed evaluation function determines the noise level in the passenger compartment so that the warning tone intensity can be adapted correspondingly. The audio master supports simultaneous output of at least three system tones via 9_63_11
the speaker in the instrument cluster (ParkAssist, direction indicator noise, warning tone).
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data relating to the vehicle, e.g. engine speed, vehicle speed, temperatures and fill