Content .. 7 8 9 10 ..

Chrysler RG Voyager. Manual - part 9

WARNING:

THE

PASSENGER

AIRBAG

MODULE

CONTAINS

INERT

GAS

PRESSURIZED TO 17236.89 Kpa (2500 PSI).
DO

NOT ATTEMPT

DISMANTLE AN

AIRBAG MODULE OR TAMPER WITH ITS
INFLATOR.

NOT

PUNCTURE,

INCINERATE, OR BRING INTO CONTACT
WITH ELECTRICITY. DO NOT STORE AT
TEMPERATURE EXCEEDING 93°C (200°F).
REPLACE AIRBAG SYSTEM COMPONENTS
ONLY

WITH

PARTS

SPECIFIED

THE

MOPAR

PARTS

CATALOG.

SUBSTITUTE

PARTS MAY APPEAR INTERCHANGEABLE,
BUT INTERNAL DIFFERENCES MAY RESULT
IN INFERIOR OCCUPANT PROTECTION. THE
FASTENERS,

SCREWS,

AND

BOLTS

ORIGINALLY

USED

FOR

THE

AIRBAG

SYSTEM

COMPONENTS

HAVE

SPECIAL

COATINGS

AND

ARE

SPECIFICALLY

DESIGNED FOR THE AIRBAG SYSTEM. THEY
MUST NEVER BE REPLACED WITH ANY
SUBSTITUTES. ANY TIME A NEW FASTENER
IS

NEEDED,

REPLACE

WITH

THE

CORRECT FASTENERS PROVIDED IN THE
SERVICE PACKAGE OR SPECIFIED IN THE
MOPAR

PARTS

CATALOG.

FAILURE

TAKE THE PROPER PRECAUTIONS CAN
RESULT

ACCIDENTAL

AIRBAG

DEPLOYMENT AND PERSONAL INJURY OR
DEATH.

CAUTION: Deployed Front Air Bags may or
may not have live pyrotechnic material within
the air bag inflator. Do not dispose of Driver
and Passenger Airbags unless you are sure
of complete deployment. Please refer to the
Hazardous Substance Control System for
Proper Disposal. Dispose of deployed air
bags in a manner consistent with state,
provincial, local, and federal regulations. Use
the following table to identify the status of
the Airbag Squib.

AIRBAG SQUIB STATUS

(1) Using a DRBIII

t read Airbag DTC’s If the following active codes are present:

ACTIVE DTC

CONDITIONS

SQUIB STATUS

Passenger Squib 1 open
Passenger Squib 2 open

Check the stored DTC’s AND IF the stored min-
utes for both are within 15 minutes of each other.

Both Passenger Squib 1
and 2 were used.

Passenger Squib 1 open
Passenger Squib 2 open

Check the stored DTC’s AND IF the stored min-
utes for Passenger Squib 2 open is GREATER
than the stored minutes for Passenger Squib 1 by
15 minutes or more.

Passenger Squib 1 was
used; Passenger Squib
2 is live.

Passenger Squib 1 open
Passenger Squib 2 open

Check the stored DTC’s AND IF the stored min-
utes for Passenger Squib 1 open is GREATER
than the stored minutes for Driver Squib 2 by 15
minutes or more.

Passenger Squib 1 is
live; Driver Squib 2
was used.

If Passenger Squib 1
open

AND IF Passenger Squib 2 open is NOT an ac-
tive code.

Passenger Squib 1 was
used; Passenger Squib
2 is live.

If Passenger Squib 2
open

AND IF Passenger Squib 1 open is NOT an ac-
tive code.

Passenger Squib 1 is
live; Passenger Squib 2
was used.

GENERAL INFORMATION

If neither of the following codes is an active code:

ACTIVE DTC

SQUIB STATUS

Passenger squib 1 open

Status of Airbag is
Unknown.

Passenger squib 2 open

3.2.4

SEAT BELT TENSIONER (SBT)

The driver and passenger seat belt (buckle) ten-

sioners are mounted to the inboard side of the front
seats. The seat belt buckle and seat belt switch are
connected directly to the seat belt tensioner cable.
At the onset of an impact event the ORC uses the
seat belt tensioner to rapidly retract the seat belt
buckles. With the slack removed, the occupant’s
forward motion in an impact will be reduced as will
the likelihood of contacting interior components.
The seat belt tensioner cannot be repaired, if dam-
aged or defective it must be replaced. The ORC
continously monitors the resistance of the seat belt
tensioner circuits for open and shorted conditions.

3.2.5

SEAT BELT SWITCHES (SBS)

The hall-effect driver and passenger seat belt

switches provide the seat belt status, buckled or
unbuckled, via hardwired inputs to the ORC. If the
seat belt switch is damaged or defective the seat
belt tensioner must be replaced. The ORC continu-
ously monitors the seat belt switch circuits for open
and shorted conditions.

3.2.6

DRIVER KNEE BLOCKER AIRBAG

The most visible part of the Driver Knee Blocker

Airbag is the knee blocker trim cover. The knee blocker
trim cover and airbag are mounted directly to the
instrument panel structure below the steering column.
When supplied with the proper electrical signal, the
inflator discharges the gas directly into the airbag.
The airbag cannot be repaired, and must be replaced if
deployed or in any way damaged.

WARNING: DO NOT ATTEMPT TO MODIFY
ANY PART OF YOUR ADVANCED AIRBAG
SYSTEM.

THE

AIRBAG

MAY

INFLATE

ACCIDENTALLY OR MAY NOT FUNCTION
PROPERLY IF MODIFICATIONS ARE MADE.
TAKE YOUR VEHICLE TO AN AUTHORIZED
DEALER

FOR ANY ADVANCED AIRBAG

SYSTEM

SERVICE.

YOUR’E

SEAT

INCLUDING

YOUR

TRIM

COVER

AND

CUSHION NEEDS TO BE SERVICED IN ANY
WAY

(INCLUDING

REMOVAL

LOOSENING/TIGHTENING

SEAT

ATTACHMENT BOLTS), TAKE THE VEHICLE
TO YOUR AUTHORIZED

DEALER.

ONLY

MANUFACTURER

APPROVED

SEAT

ACCESSORIES MAY BE USED. CONTACT
YOUR

AUTHORIZED

DEALER

NECESSARY TO MODIFY AN ADVANCED
AIRBAG

SYSTEM

FOR

PERSONS

WITH

DISABILITIES.

WARNING: NEVER STRIKE OR KICK THE
AIRBAG CONTROL MODULE, AS IT CAN
DAMAGE THE IMPACT SENSOR OR AFFECT
ITS CALIBRATION. IF AN AIRBAG CONTROL
MODULE

ACCIDENTALLY

DROPPED

DURING SERVICE, THE MODULE MUST BE
SCRAPPED AND REPLACED WITH A NEW
UNIT. FAILURE TO TAKE THE PROPER
PRECAUTIONS

COULD

RESULT

ACCIDENTAL AIRBAG DEPLOYMENT AND
PERSONAL INJURY OR DEATH.

3.2.7

FRONT AND SIDE IMPACT SENSOR

The front and side impact sensors are electronic

accelerometers that sense the rate of vehicle decelera-
tion, and combined with the ORC Accelerometer Sensor
provides verification of the direction and severity of an
impact. Each sensor also contains an electronic commu-
nication chip that allows the unit to communicate the
sensor status as well as sensor fault information to the
microprocessor in the Occupant Restraint Controller.
The ORC microprocessor continuously monitors all of
the front and side passive restraint system electrical
circuits to determine the system readiness. If the ORC
detects a system fault, it sets a Diagnostic Trouble Code
and controls the airbag indicator operation accordingly.
The impact sensors each receive battery current and
ground through dedicated left and right sensor signal
and ground circuits from the ORC. The impact sensors
and the ORC communicate by modulating the voltage
in the sensor signal circuit. If the sensor is dropped it
must be replaced.

CAUTION: Do not remove or install the
impact

sensors

while

the

sensor

connected to the vehicle wiring.

3.2.8

OCCUPANT CLASSIFICATION
SYSTEM

A non-calibrated Occupant Classification Module

(OCM) is the only component of the Occupant Classi-
fication System (OCS) that is available for separate
service replacement, as outlined in the procedures that
follow. The OCS components of the passenger side front
seat cushion including the cushion frame, springs, pad,
seat weight bladder and pressure sensor, seat cushion
foam and the OCM are a factory-calibrated and assem-
bled unit. Once this unit is connected to a vehicle
electrically, the calibration settings are uploaded from

GENERAL INFORMATION

the OCM and stored in the memory of the Airbag
Control Module (ORC). If only the OCM is subse-
quently replaced, the new, non-calibrated OCM learns
the proper calibration settings from the ORC after it is
connected to the vehicle electrically. If any of the
remaining OCS components of the passenger side,
front seat cushion require replacement, they are ser-
viced only as a factory calibrated, assembled, and
tamper-evident service replacement package. This
package includes the assembled frame, springs, pad,
seat weight bladder and pressure sensor, foam, wiring
and a calibrated OCM. When installing this package,
always replace all of the existing components with the
new components as a unit. Do not attempt to separate
or disconnect any of the new OCS components con-
tained in the service replacement package from each
other, and do not attempt to reuse any of the replaced
components in this or any other vehicle. Once any of
the original factory-installed components except the
OCM have been replaced with the service replacement
package components, the OCM can only be serviced by
replacing the entire passenger side front seat cushion
unit with another complete service replacement pack-
age.

CAUTION: On vehicles equipped with the
Occupant Classification System (OCS), never
replace both the Airbag Control Module
(ORC)

and

the

Occupant

Classification

Module (OCM) at the same time. If both
require

replacement,

replace

one.

Then

perform

the

supplemental

restraint

verification test before replacing the other.
Both the ORC and the OCM store OCS
calibration data, which they transfer to one
another when one of them is replaced. If both
are replaced at the same time, an irreversible
fault will be set in both modules.

The OCM is subsystem of the Airbag Control

Module (ORC). Therefore the OCM bus message
updates the ORC with the front passenger seat
information via PCI Bus message. The ORC then
controls the Passenger Off indicator and the Airbag
Warning Indicator to provide system onboard diag-
nostic feedback. All OCS wiring repairs are prohib-
ited; when wiring problems are diagnosed a Bladder
Repair Kit is the only approved repair.

PASSENGER AIRBAG OFF INDICATOR

Vehicles equipped with the Occupant Classifica-

tion System (OCS) include a passenger airbag off
indicator located in the Switch Bank in the center of
the instrument panel. Vehicles without OCS have a
blank lens installed in the instrument panel. At
ignition on, for a system test, the ORC low side
driver grounds a yellow Light Emitting Diode
(LED) circuit causing the PASS AIRBAG OFF Indi-
cator text and icon to be illuminated.

SEAT WEIGHT SENSOR

Vehicles equipped with the Occupant Classifica-

tion System (OCS) have a seat weight bladder and
pressure sensor unit that is integral to the passen-
ger front seat cushion. The pressure sensor receives
a nominal five volts and a ground through dedicated
hardwired circuits from the OCM. The OCM then
monitors the pressure sensor output voltage.
SEAT BELT TENSION SENSOR - BTS

The Belt Tension Sensor (BTS) is designed to mea-

sure belt tension as an input to a passenger Occupant
Classification System (OCS). It is used to detect high
cinch loads associated with child seats and compen-
sate for the seat cushion load to correctly classify
occupant size. When a load is applied to the seat belt,
the belt tension sensor measures the load. As the load
changes, the circuitry of the belt tension sensor
changes the output voltage of the sensor. The belt
tension sensor receives a nominal five volts and a
ground through dedicated hardwired circuits from the
OCM. The OCM then monitors the belt tension sensor
output voltage on a dedicated hardwired data commu-
nication circuit. If the vehicle has experienced any
impact(s) resulting in deployment of a pyrotechnic
device of any kind (airbag, seatbelt tensioner, side
curtain, etc.) within the vehicle, the entire passenger
seat belt retractor assembly, including the BTS, shall
be replaced. Additionally, if the seat belt webbing has
become cut, frayed, or worn; or if the stitching has
become damaged in any way, the entire passenger seat
belt retractor assembly, including the BTS, shall be
replaced. The belt tension sensor cannot be repaired
and, if faulty or damaged, the entire passenger side
front seat belt and retractor unit must be replaced.
The OCM Verification Test will also provide a BTS
Verification procedure to verify the BTS function. This
verification procedure requires the Miller Special Tool
#8828.

BLADDER REPAIR KIT

There are only three replaceable components in the

OCS, Occupant Classification Module, Bladder Repair
Kit and the Passenger Airbag OFF Indicator. The
Bladder repair kit contains the OCS bladder, wire
harnesses, pressure sensor (Seat Weight Sensor), mod-
ule, seat cushion and other related structural and
sound deadening components. The module and sensor
connector must have a Tamper Evident material in-
stalled on the service kit module and sensor connec-
tors. This material provides visible evidence that the
assembly has been separated after the calibration
process was completed. Do not install a Bladder Re-
pair Kit if it appears that any of the components have
been disconnected. The OCM can be replaced if the
Airbag Control Module has uploaded the seat calibra-
tion into memory in a previous ignition cycle and the
new OCM has a blank VIN and no calibration data
stored in memory.

GENERAL INFORMATION

NOTE: An OCM can only be replaced in a
passenger front seat if the seat is equipped
with the original OCS module, bladder,
sensor and wiring. NOTE: Servicing the OCS
may create additional active and stored
trouble codes that must be resolved before
the vehicle can be returned to the owner. The
OCS Verification Test will also set active
DTCs if the procedure is not completed
successfully.

The Miller Special Tool, MRL-9077 and the

DRBIII

t are needed to successfully complete the

system Verification Test. The DRBIII

t may report

the following errors and failure messages during
the procedure.

NEW DRBIII

T FEATURES

ORC Menu
The DRBIII

t ORC System Test screen will display

the following:

VIN verification -- Original VIN and Current VIN

PCM Monitor - PCM Active On The Bus or PCM

Not Active On The Bus
The DRBIII

t ORC Input/Outputs screen will dis-

play the following:

OCM Status:

Seat Class 0 (Empty)
Seat Cass 1 (Rear Facing Infant car Seat or RFIS)
Seat Class 2 (6 year old or Child)
Seat Class 3 (greater than or equal to 5th Percentile
Female)
Seat Class 4 (less than 5th Percentile Female)
Seat Class 5 (Undetermined)
The DRBIII

t ORC Miscellaneous screen will dis-

play the following:

Configure Airbag On-Off Switch

1. No Airbag On-Off Switch
2. Pass OCM Only

OCS Menu
The DRBIII

t OCM Input/Output screen will dis-

play the following:

OCS Status --- 90, 919, 929, 939, 949, 959

The DRBIII

t OCM Sensors screen will display the

following:

Bladder Output --- XXX A/D counts

Pas BTS Output --- XXX A/D counts

The DRBIII

t OCM OCS Info Monitor screen will

display the following:

Pass BTS -- Enabled or Disabled

System Verification
The DRBIII

t OCM System Test screen will display

the following

PCM Monitor - PCM Active On The Bus or PCM

Not Active On The Bus

Clear VIN Mismatch - Clear VIN Mismatch Com-

plete

VIN Verification - Original VIN and Current VIN

Clear VIN Mismatch

OCS Verification - OCS Verification

Test process errors:
Test In Progress
Mode 33 Not Supported
Subfunction not supported
Test Busy - Repeat Test
Conditions for Test Not Correct
Routine Already Running
Routine was Never Started
Press any key to continue, then restart the verifi-
cation test.

Test failed conditions:
Test Failed - Active DTCs Present
Test Failed - Seat is Empty
Test Failed - Seat Occupied
Test Failed - Weight Above Threshold
Test Failed - Weight Below Threshold
Test Failed - Temperature Out of Range
Test Failed - Seat Pressure Too High
Test Failed - Seat Pressure Too Low
Test Failed - Seat Pressure Not Stable
Test Failed - Temperature Out of Range
Test Failed - Seat Pressure Too Low
Test Failed - Power Up Time Too Short
Test Failed - Power Up Time Too Long
Test Failed - K Empty Count is 0
Test Failed - No EOL Calibration
Test Failed - K Allow is FF
Allow the vehicle seat and interior temperature to
stabilize, check voltage supplies and repair any
other active DTCs before restarting the System
Verification test.
The OCS has been Verified or The OCS has
NOT been Verified

WARNINGS:

WARNING: TO AVOID PERSONAL INJURY OR
DEATH,

TURN

THE

IGNITION

OFF,

DISCONNECT THE BATTERY AND WAIT TWO
MINUTES BEFORE PROCEEDING.

WARNING: TO AVOID PERSONAL INJURY OR
DEATH, TURN THE IGNITION ON, THEN
RECONNECT THE BATTERY.

WARNING: TO AVOID PERSONAL INJURY OR
DEATH ON VEHICLES EQUIPPED WITH THE
OCCUPANT

CLASSIFICATION

SYSTEM

(OCS),

ONLY

THE

OCCUPANT

CLASSIFICATION MODULE (OCM) AND THE
PASSENGER SEAT BLADDER AND CUSHION
SERVICE

KIT

ARE

THE

ONLY

PARTS

SERVICED.

GENERAL INFORMATION

Content .. 7 8 9 10 ..