airbag disable DODGE GRAND CARAVAN 2005 Owners Manual

OCCUPANT RESTRAINTS
Some of the most important safety features in your
vehicle are the restraint systems. These include the front
and rear seat belts for the driver and all passengers, front
airbags for both the driver and front passenger, driver
inflatable knee blocker and if equipped, window bags for
the driver and passengers seated next to a window. If you
will be carrying children too small for adult-size seat
belts, your seat belts or the LATCH feature (Lower
Anchors and Tether for CHildren) also, can be used to
hold infant and child restraint systems.
If your vehicle is equipped with the Occupant Classifi-
cation System (OCS) there will be a Passenger Airbag
Disabled (PAD) Indicator Light located on the center of
the instrument panel. NOTE: The front airbags have a multi stage inflator
design. This allows the airbag to have different rates of
inflation that are based on collision severity.
Please pay close attention to the information in this
section. It tells you how to use your restraint system
properly to keep you and your passengers as safe as
possible. Passenger Airbag Disabled Light THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 41
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NOTE: These devices are not a substitute for proper seat
belt placement by the occupant. The seat belt still must be
worn snugly and positioned properly.
The pretensioners are triggered by the front airbag con-
trol module (see Front Airbag Section). Like the front
airbags, the pretensioners are single use items. After a
collision that is severe enough to deploy the front airbags
and pretensioners, both must be replaced.
Enhanced Driver Seat Belt Use Reminder System
(BeltAlert)
If the driver ’ s seat belt has not been buckled within 60
seconds of starting the vehicle and if the vehicle speed is
greater than 5 mph (8 km/h), the Enhanced Warning
System (BeltAlert) will alert the driver to buckle their seat
belt. The driver should also instruct all other occupants to
buckle their seat belts. Once the warning is triggered, the
Enhanced Warning System (BeltAlert) will continue to chime and flash the Seat Belt Warning Light for 96
seconds or until the driver ’ s seat belt is buckled.
The Enhanced Warning System (BeltAlert) will be reacti-
vated if the driver ’ s seat belt is unbuckled for more than
10 seconds and the vehicle speed is greater than 5 mph (8
km/h).
The Enhanced Warning System (BeltAlert) can be en-
abled or disabled by your authorized dealer or by
following these steps:
NOTE: The following steps must occur within the first
60 seconds of the ignition switch being turned to the ON
or RUN position. DaimlerChrysler does not recommend
deactivating the Enhanced Warning System (BeltAlert).
1. Turn the ignition switch to the OFF position, and
buckle the driver ’ s seat belt.THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 51
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• Knee Impact Bolster
• Driver Inflatable Knee Blocker
• Front Passenger Seat Occupant Classification System
(OCS) — If Equipped
Occupant Classification Module
Passenger Airbag Disabled (PAD) Indicator Light
Interconnecting Wiring
Bladder Assembly
Belt Tension Sensor
How The Airbag System Works
• The Occupant Restraint Controller (ORC) determines
if a frontal collision is severe enough to require the
airbags to inflate. Based on the level of collision
severity, the front control module determines the proper rate of inflation. The front airbag inflators are
designed to provide different rates of airbag inflation.
• The ORC may modify the rate of inflation based on the
occupant size provided by the Occupant Classification
Module.
• The ORC will not detect side, roll over, or rear impacts.
• The ORC monitors the readiness of the electronic parts
of the system whenever the ignition switch is in the
START or RUN positions. These include all of the
items listed above except the steering wheel and
column, instrument panel and passenger knee bol-
sters. If the key is in the OFF position, in the ACC
position, or not in the ignition, the airbags are not on
and will not inflate.
• Also, the ORC turns on the AIRBAG warn-
ing light and PAD indicator light in the
center of the instrument panel for 6 to 8
seconds for a self-check when the ignition is58 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

first turned on. After the self-check, the AIRBAG
warning light will turn off. The PAD indicator light
will function normally (Refer to “ Passenger Airbag
Disable (PAD) Indicator Light ” in this section). If the
ORC detects a malfunction in any part of the system, it
turns on the AIRBAG warning light either momen-
tarily or continuously. A single chime will sound if the
light comes on again after initial start up.
WARNING!Ignoring the AIRBAG warning light in your instru-
ment panel could mean you won ’ t have the airbags
to protect you in a collision. If the light does not
come on, stays on after you start the vehicle, or if it
comes on as you drive, have the airbag system
checked right away. • The Driver and Passenger Airbag/Inflator Units are
located in the center of the steering wheel and the right
side of the instrument panel. When the ORC and
impact sensors detects a collision requiring the air-
bags, it signals the inflator units. A large quantity of
nontoxic gas is generated to inflate the front airbags.
Different airbag inflation rates may be possible based
on collision severity and occupant size. The steering
wheel hub trim cover and the upper right side of the
instrument panel separate and fold out of the way as
the airbags inflate to their full size. The airbags fully
inflate in about 50 – 70 milliseconds. This is about half
of the time it takes to blink your eyes. The airbags then
quickly deflate while helping to restrain the driver and
front passenger.
The driver ’ s and passenger ’ s front airbag gas is vented
through the airbag material towards the instrument
panel. In this way the airbags do not interfere with
your control of the vehicle. THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 59
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• If your vehicle contains a Passenger Airbag Disable
indicator light, it will be equipped with the Occupant
Classification System (OCS). The OCS system will
classify an occupant into a size category based on
sensor readings from within the seat cushion. Occu-
pants should try to remain in a normally seated
position. If the occupant ’ s weight is transferred to
another object in the vehicle (i.e. feet on the dash-
board), the OCS may not be able to properly approxi-
mate occupant size. Furthermore, the occupant size
may appear to increase or decrease due to objects
hanging on the seat, other passengers pushing on the
seat, or objects lodged underneath the seat. Ensure
that the front passenger seat back does not touch
anything placed on the back seat because this can also
affect occupant classification. Also, if you fold down
the rear seat, check to be sure it doesn ’ t touch the front
passenger seat. If there is a rapid change in temperature or humidity,
the OCS may not be able to properly approximate
occupant size. If your seat including your trim cover
and cushion needs to be serviced in any way (includ-
ing removal or loosening/tightening of seat attach-
ment bolts), take the vehicle to your authorized dealer.
Only manufacturer approved seat accessories may be
used.
If there is a fault present in the system, the AIRBAG
warning light will illuminate indicating that you should
take the vehicle to an authorized dealer. In the presence
of an occupant in the passenger seat, if both the PAD
indicator light and AIRBAG warning light are illumi-
nated the airbag will be disabled.
The ORC will not allow front airbag deployment in the
event of a collision for occupants classified into the
empty or child size categories. The PAD indicator light
will illuminate indicating that the Passenger Airbag is THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 61
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OFF when the OCS has determined that the occupant size
category is a child. Also, when the seat is empty or an
object that weighs less than a predetermined threshold is
placed on the seat, the light will remain OFF. (The PAD
indicator light is an amber light located on the center of
the instrument panel above the radio.)
For almost all sizes of properly seated adults, the airbag
will be enabled in the event of a collision. For small
teenagers and some small adults, depending on size, the
airbag may or may not be enabled in the event of a
collision. Both drivers and passengers should always use
the PAD indicator light as an indication if the front passenger is properly positioned or not. If the PAD
indicator light comes on when an adult is in the passen-
ger seat, have the passenger re-position themselves in the
seat until the light goes out.
Remember, if the PAD indicator light is illuminated the
passenger front airbag will not inflate. For almost all
properly installed child restraints, the “ PAD Indicator
Light ” will be illuminated indicating that the front pas-
senger airbag is turned off and will not inflate. If the
“ PAD Indicator Light ” is not illuminated, DO NOT
assume the airbag is turned off and move the child
restraint to the rear seat. A deploying passenger airbag
can cause death or serious injury to a child in a rear
facing infant seat.
NOTE: Even though this vehicle is equipped with an
Occupant Classification System, children 12 years and
under should always ride buckled up in a rear seat in an
appropriate child restraint.Passenger Airbag Disabled Light62 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

• The Occupant Classification Module (OCM) — If
Equipped is located beneath the front passenger seat.
The OCM classifies the occupant into one of three size
categories based on the input from the Bladder Assem-
bly and Belt Tension Sensor. The size categories in-
clude empty, child, and adult. The OCM sends the
Occupant Classification to the ORC to identify if a
front passenger airbag is allowed. If a fault is present,
the AIRBAG warning light is illuminated.
• The Passenger Airbag Disabled (PAD) Indicator
Light — If Equipped indicates to the driver and
passenger when the airbag is turned OFF in the
presence of a properly seated occupant. When the PAD
indicator light is illuminated, the airbag is OFF. Also,
when the Occupant Classification System detects ei-
ther an empty seat or a weight less than the predeter-
mined occupant threshold, the ORC will not illumi-
nate the PAD indicator light even though the airbag is turned OFF. When the ocs system detects an adult the
PAD indicator light will be off, and the airbag will be
enabled.
• The Belt Tension Sensor (BTS) — If Equipped is
located at the outboard passenger lap belt anchor. The
BTS generates a signal based on outboard lap belt
tension. This signal is sent to the OCM to ensure that
the resultant bladder pressure increase due to applied
lap belt tension does not cause a small occupant to be
classified as a larger occupant.
• The Bladder Assembly — If Equipped is located
beneath the seat cushion foam. The pressure sensor
sends a signal to the OCM.
The front passenger seat assembly contains critical com-
ponents that affect the front passenger airbag deploy-
ment. Correctly functioning front passenger seat compo-
nents are critical for the Occupant Classification System THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 63
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