Sensors - Audi A6´05 323 Service

Self-study programme 323
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Passenger protection

Sensors

Crash sensor
(in the control unit)
The acceleration sensors are arranged in such a way
that both deceleration in the vehicle's longitudinal
axis (x-axis) and deceleration in the vehicle's
transverse axis (y-axis) are detected.
Safety switch
(in the control unit)
The mechanical safing sensor in the airbag control
unit for the Audi A6'05 has been replaced
by a micromechanical acceleration sensor.
This sensor also detects the vehicle's deceleration in
the direction of travel (x-axis) and sends this
information to the control unit electronics for a
plausibility check.
Crash sensors for front airbag G283
and G284
(upfront sensors at front end)
The severity of the crash changes the signal, which
the front airbag crash sensor sends to the airbag
control unit. Depending on the signal, a threshold
reduction is activated in the airbag control unit,
which improves the crash detection function and
and thus enables the airbags to be ignited earlier.
A greater protective effect can be attained by
triggering the airbags earlier.
Crash sensors for side airbag G179
and G180
(in the front doors)
Pressure sensors are now used in both front doors
(new).
The deformation of the vehicle in the event of a side
crash causes a short-term increase in air pressure in
the door. This pressure increase is detected by the
sensor and is forwarded to the airbag control unit.
24
Front airbag crash sensors
Front airbag crash sensors
326_015
326_016
326_009
326_007

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A6 2005

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