2006 Lexus GS430 sensor

OCCUPANT RESTRAINT SYSTEMS
175
G16031
 1Curtain shield airbag modules (airbag and inflator)
2Front side airbag modules (airbag and inflator)
3Curtain shield airbag sensor assemblies
4Side and curtain shield airbag sensor assemblies
5Occupant detection sensor
6Front passenger’s seat belt buckle switch
7SRS warning light
8Airbag sensor assembly
9Vehicles with rear side airbag only:
Rear side airbag modules (airbag and inflator)
The SRS side airbag and curtain shield airbag system consists
mainly of the above components, and their locations are
shown in the illustration.
The SRS side airbag and curtain shield airbag system is
controlled by the airbag sensor assembly. The airbag sensor
assembly consists of a safing sensor and airbag sensor. In a severe side impact, the side and curtain shield airbag
sensor and/or the curtain shield airbag sensor trigger(s) the
side airbag inflators and/or the curtain shield airbag inflators.
At this time a chemical reaction in the inflators quickly fills the
airbags with non
−toxic gas to help restrain the lateral motion
of the occupants.
When the airbags inflate, they produce a fairly loud noise and
release some smoke and residue along with non −toxic gas.
This does not indicate a fire. This smoke may remain inside
the vehicle for some time, and may cause some minor irritation
to the eyes, skin or breathing. Be sure to wash off any residue
as soon as possible to prevent any potential skin irritation with
soap and water. If you can safely exit from the vehicle, you
should do so immediately.
Deployment of the airbags happens in a fraction of a second,
so the airbags must inflate with considerable force. While the
system is designed to reduce serious injuries, it may also
cause minor burns or abrasions and swelling.
Front (and outboard rear) seats as well as the parts of the front
and rear pillars, and roof side rail may be hot for several
minutes, but the airbags themselves will be hot. The airbags
are designed to inflate only once.

OCCUPANT RESTRAINT SYSTEMS
180
16G017
The indicator comes on when the engine switch is
selected in “IGON” mode. It goes off after about 6
seconds. This means the SRS side airbags and curtain
shield airbags are operating properly.
This warning light system monitors the airbag sensor
assembly, front airbag sensors, side and curtain shield airbag
sensor assemblies, curtain shield airbag sensor assemblies,
driver’s seat position sensor, driver’s seat belt buckle switch,
occupant detection sensor, front passenger’s seat belt buckle
switch, seat belt pretensioner assemblies, inflators, warning
light, interconnecting wiring and power sources. (For details,
see “Service reminder indicators and warning buzzers” on
page 74.)If any of the following conditions occurs, this indicates a
malfunction of the airbags or seat belt pretensioners. Contact
your Lexus dealer as soon as possible.

When the engine switch is selected in “IG−ON” mode, the
light does not come on or remains on for more than 6
seconds.
 The light comes on while driving.

STEERING WHEEL AND MIRRORS
214When the outside air temperature is low, it may take a little
longer for the mirror to darken in response to the detection of
headlights.
CAUTION
Do not adjust the mirror while the vehicle is moving.
Doing so may cause the
driver to mishandle the vehicle
and an accident may occur resulting in death or serious
injuries.
G17008
To ensure correct functioning of antiglare mirror sensors
located on both sides of the mirror, do not touch or cover
the sensors with your finger or a piece of cloth, etc.
Compass
G17009
The compass indicates the direction in which the vehicle
is heading. The illustration shown above indicates the
vehicle is heading north.
Displays
Directions
N
NE E
SE S
SW W
NWNorth
Northeast East
Southeast South
Southwest West
Northwest

STEERING WHEEL AND MIRRORS
215
Pushing the “AUTO” button for longer than 3 seconds
turns on or off the compass display.
The compass may not show the correct direction in the
following conditions:

The vehicle is stopped immediately after turning.
The compass does not adjust while the vehicle is stopped.
 The engine switch is turned off immediately after turning.
 The vehicle is on an inclined surface.
 The vehicle is in a place where the earth’s magnetic field is
subject to interference by artificial magnetic fields
(underground parking, under a steel tower, between
buildings, roof parking, near a crossing, near a large
vehicle, etc.).
 The vehicle is magnetized. (There is a magnet or a metal
object near the inside rear view mirror.)
 The battery has been disconnected.
 Any door is open.
If the deviation is small, the compass works to calibrate the
direction automatically while the vehicle is in motion.
For obtaining additional precision or for complete calibrating,
see “CALIBRATING THE COMPASS” below.
NOTICE
Do not put magnets or a metal object near the inside rear
view mirror. Doing this may cause malfunction of the
compass sensor.
CALIBRATING THE COMPASS (deviation calibration)
The direction display on the compass deviates from the true
direction determined by the earth’s magnetic field. The
amount of deviation varies according to the geographic
position of the vehicle.
To adjust for this deviation, stop the vehicle and push the
“AUTO” button for longer than about 6 seconds until the zone
number (1 −15) appears on the display. Then push the button
again, referring to the following map to select the number of the
zone where the vehicle is.

AIR CONDITIONING
267
To prevent fogging up of the windshield, the air intake mode
may change automatically to the OUTSIDE AIR mode
depending on the condition of the air conditioning system.
For example, when the ambient temperature is low, the air
intake mode may change automatically to the OUTSIDE AIR
mode. This is not a malfunction.
When the air conditioning is on, if the engine coolant
temperature becomes extremely high, the RECIRCULATED
AIR mode is automatically selected. This is not a malfunction.
When
the engine coolant temperature is lowered, the previous
mode resumes.
Turning off the air conditioning manually will cancel the
EXHAUST GAS AUTOMATIC mode. If you select the “AUTO”
mode during fan operating, the air conditioning turns on and
the EXHAUST GAS AUTOMATIC mode will operate.
For normal use, it is best to keep the air intake control button
set to OUTSIDE AIR mode. If recirculated air is used during
heating, the windows will fog up more easily. To change the sensitivity of the sensor switching between
the RECIRCULATED AIR and OUTSIDE AIR in the
AUTOMATIC mode, push the air intake control button and
hold it for a few seconds. The display changes to the one
illustrated below.
The sensitivity of the sensor can be adjusted only while the
vehicle has been stopped.
G21023
The sensitivity of the switches is set to be higher toward “HI”
and lower toward “LO”.
Touch the desired switch on the screen.
When
you push any button except the air intake control button,
the above screen goes off.

STARTING AND DRIVING
372
INTUITIVE PARKING ASSIST
G31049
The intuitive parking assist is a warning system used
when parking the vehicle at low speed (e.g. into a garage).
It uses an ultrasonic sensor, which checks the
approximate distance to an obstacle. It will inform you of
the approximate distance to an obstacle by displaying
information on the multiinformation display and the
screen, and with beeping sounds.
1 Dual sensors
There are four of these steering guidance sensors installed in
the front bumper.
Steering guidance means that when an obstacle is inspected,
not only is the distance estimated, this function judges whether
collision with the obstacle within detection range is avoidable
if the vehicle is steered in a certain direction, and informs the
driver. There will be no warning if it judges that there is no
possibility of collision with the obstacle within detection range.
(See page 375.)
2 Rear corner sensors
There is one of these installed on each corner of the rear
bumper, they inspect obstacles and will sound a warning
depending on the distance to the obstacle. (See page 380.)
3 Back sensors
There are two of these installed near the center of the rear
bumper, they inspect obstacles and will sound a warning
depending on the distance to the obstacle. (See page 381.)

STARTING AND DRIVING
374
G31052
 1Touch screen (full screen display)
2Touch screen
(vehicles with rear view monitor system)
(For details, see page 388.)
When an obstacle is detected, the indicator bars will come
on or flash, accompanied by beeping. How many bars are
lit or flashing depends on the distance to the obstacle.
When the obstacle is not detected any longer, beeps will stop
sounding and the multi −information display and the screen will
return to the previous display.
The volume of the beeps and the display on the screen can be
changed. See “Setting the intuitive parking assist” on page
391.
Indicators and steering guide symbol
G31053
 1 Detection by dual sensors
2Detection by rear corner sensors
3Detection by back sensors
4Steering guide symbol (See page 377)
The approximate distance to the obstacle is shown with up to
4 bars on the front, front corners and rear of the vehicle and up
to 3 bars on the rear corners of the vehicle.

STARTING AND DRIVING
375
CAUTION
To avoid an accident or injury, observe the following
instructions, and then drive slowly using the brakes
while confirming a safe distance around your vehicle
with your eyes.
The sensor detection range is limited around the
bumper. Be sure to confirm safety outside sensor
detection with your eyes. For the sensor detection
range, see page 383.
 It might take time for the sensors to detect the
obstacle.
 Depending on the shape of the obstacle, indicators or
beeps may not warn you properly, and the detection
range may also be shortened.
 It might be difficult to hear beeps due to the volume
of audio or air flow noise of air conditioning.
Dual sensors
G31054
(A) Collision will be unavoidable: Collision with the
detected obstacle cannot be avoided even by changing the
steering.
(B) Collision will be avoided by changing the steering:
Collision with the obstacle can be avoided by changing the
steering.
(C) Collision will be avoide d with the present steering
angle: Even if you continue moving at the present steering
angle, the distance to the obstacle within sensor detection
range will not be less than about 25 cm (0.8 ft.).
The dual sensors detect an obstacle in front of the vehicle
or at an angle to the front of the vehicle, and estimate the
distance to the obstacle and also the steering angle
required. They will evaluate which of the above 3
conditions is applicable.