Ultrasound Sensor; Airbags; Overview; Airbag System Diagram - Alfa Romeo 159 Training Material

ELECTRICAL
SYSTEM

9.6.11 Ultrasound sensor

Sensor pinout
Pin
1 Sensor power supply
2 Sensor signal
3 Sensor ground
Buzzers
The two buzzers (one front and one rear) inform the driver on the distance and indicate system failures. The
frequency and volume of the warnings are controlled by the ECU.

9.7 AIRBAGS

9.6.1 Overview

The car is equipped with driver and passenger knee airbags. The knee airbags integrate the front airbags and the
seat belts. They reduce risk of injuries to the occupants' knees and even prevent contact with the surface of the
dashboard. They contribute to reaching the highest safety standards.
The driver's knee airbag is standards; the passenger's is optional.

9.7.2 Airbag system diagram

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