2003 CHRYSLER CARAVAN wheel

MULTI-FUNCTION SWITCH
DESCRIPTION - TURN SIGNAL SYSTEM
The turn signals are actuated with a lever on
Multi-Function Switch, located on the left side of the
steering wheel. The signals are automatically turned
off by a canceling cam (two lobes molded to the clock
spring mechanism). The cam comes in contact with
the cancel actuator on the turn signal (multi-func-
tion) switch assembly. Either cam lobe, pushing on
the cancel actuator, returns the switch to the OFF
position. The multi-function switch is a resistive
MUX switch that feeds inputs to the BCM.
OPERATION - TURN SIGNAL SYSTEM
Lane change signaling is actuated by applying par-
tial turn signal stalk movement toward the direction
desired until the indicator lamps flashes in the
instrument cluster. When the switch stalk is released
the stalk will spring back into the neutral position
turning OFF the turn signal.
With the ignition switch ON and the turn signal
switch stalk actuated left or right, current flows
through the:
²Multi-function switch
²Body Control Module
²Integrated Power Module (IPM)
²Turn indicator lamp
²Front and rear turn signal bulbs.
A chime will sound after the vehicle has traveled a
distance of approximately 1.0 mile and a speed of 15
mph, with the turn signal ON.
DIAGNOSIS AND TESTING - MULTI-FUNCTION
SWITCH
To test turn signal, headlamp beam select and opti-
cal horn portion of the multi-function switch:(1) Remove the multi-function switch, refer to
Electrical, Lamps/Lighting - Exterior, Multi-Function
Switch, Removal, and Installation.
(2) Using an ohmmeter check the resistance read-
ings between multi-function switch pins. Refer to
Wiring Diagrams for proper pin numbers and the
MULTI-FUNCTION SWITCH RESISTANCE table.
MULTI-FUNCTION SWITCH RESISTANCE
SWITCH
POSITIONPIN NUMBER RESISTANCE
LEFT 2 AND 3 2.7V 5%
RIGHT 2 AND 3 1KV 5%
OPTICAL
HORN2 AND 4 1.7KV 5%
HI BEAM 2 AND 4 2.32KV 5%
REMOVAL
(1) Disconnect and isolate battery negative cable.
(2) Remove upper and lower steering column
shrouds. Refer to Steering, Column, Shroud,
Removal.
(3) Disconnect wire connector from back of multi-
function switch.
(4) Remove screws holding multi-function switch to
steering column adapter collar.
(5) Remove the multi-function switch.
INSTALLATION
(1) Position the switch on to the steering column.
(2) Install the two retaining screws.
(3) Connect the wire harness connector.
(4) Install the upper and lower steering column
shrouds. Refer to Steering, Column, Shroud, Installa-
tion.
(5) Connect the battery negative cable.
PARK/TURN SIGNAL LAMP
REMOVAL
(1) Disconnect and isolate battery negative cable.
(2) Remove headlamp retaining screws.
(3) Twist socket counter - clockwise and remove
(Fig. 27).
(4) Pull bulb from socket.
INSTALLATION
(1) Push bulb into socket.
(2) Twist socket into headlamp.
(3) Install headlamp retaining screws.
(4) Reconnect battery negative cable.
Fig. 26 LICENSE PLATE LAMP - REMOVE/INSTALL
1 - LICENSE PLATE LAMP UNIT
2 - BULB
RSLAMPS/LIGHTING - EXTERIOR8L-21
LICENSE LAMP (Continued)
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PROGRAMMABLE FEATURES
NOTE: Tire pressure monitoring (TPM) system infor-
mation is not covered in this section of the service
manual. Refer to the tires/wheels section of this
manual for detailed tire pressure monitoring system
information.
²LANGUAGE?- The options include English,
Francaise, Deutsch, Italiana, or Espanol. The default
is English. All EVIC display nomenclature, including
the trip computer functions, warning messages and
the programmable features appear in the selected
language.
²DISPLAY U.S. OR METRIC?- The options
include U.S. and M. The default is U.S. This feature
toggles the trip computer temperature, fuel economy
and odometer display readings between U.S. and
metric units of measure. It also changes the odome-
ter display in the instrument cluster.
²SERVICE INTV. =- The options include from
1000 to 12000 kilometers in 1000 kilometer incre-
ments (2000 to 7500 miles in 500 mile increments).
The default is 12000 kilometers (7500 miles). The
selected distance becomes the interval at which the
Perform Service warning message will be displayed
by the EVIC. If a new distance is selected, a second
programmable feature appears,RESET SERVICE
DISTANCE?- The options include No and Yes. The
default is Yes. When Yes is selected, the accumulated
distance since the last previous Perform Service
warning message will be reset to zero because the
service interval has been changed. When No is
selected, the distance until the next Perform Service
warning message is reduced by the accumulated dis-
tance since the last previous message.
²USE FACTORY SETTINGS?- The options
include Yes and No. The default is Yes. When yes is
selected all the programmable features will return to
there defaults and the rest of the programmable fea-
tures will not be displayed. If No is selected the rest
of the programmable features will be displayed at
there default values. This feature will automatically
return to the Yes default under two conditions. First,
if no programmable features are changed from there
defaults. Second, if all the programmable features
equal there defaults.
²AUTO DOOR LOCKS?- The options include
Yes and No. The default is Yes. When Yes is selected,
all doors and the liftgate lock automatically when
vehicle speed reaches 25 kilometers-per-hour (15
miles-per-hour). If YES is selected, a second program-
mable feature appears,AUTO UNLOCK ON EXIT?
- The options again include Yes and No. The default
is No. When Yes is selected, following each Auto Door
Lock event all doors and the liftgate will automati-
cally unlock when the driver door is opened, if thevehicle is stopped and the transmission gear selector
is in Park or Neutral. The Auto Door Unlock event
will only occur once following each Auto Door Lock
event.
²REMOTE UNLOCK- The options include
Driver Door 1st and All Doors. The default is Driver
Door 1st. When Diver Door 1st is selected, only the
driver door unlocks when the Unlock button of the
Remote Keyless Entry (RKE) transmitter is
depressed once. The Unlock button of the RKE trans-
mitter must be depressed twice to unlock all doors.
When All Doors is selected, all doors unlock when the
Unlock button of the RKE transmitter is depressed
once.
²REMOTE LINKED TO MEMORY?- This pro-
grammable feature only applies to vehicles equipped
with the optional memory / heated system. The
options include Yes and No. The default is No. When
Yes is selected, the memory system will recall the
Driver 1 or Driver 2 memory settings assigned to the
RKE transmitter being used to unlock the vehicle.
When No is selected, the memory system will only
recall memory settings when the Driver 1 or Driver 2
push buttons of the memory switch on the driver side
front door trim panel are depressed.
²SOUND HORN ON LOCK?- The options
include Yes and No. The default is No. When Yes is
selected, a short horn chirp will provide an audible
confirmation when the RKE receiver recognizes a
valid Lock signal from an RKE transmitter. When No
is selected, no horn chirp will occur with the RKE
Lock event. This feature may be selected indepen-
dent of theFLASH LIGHTS WITH LOCKS?pro-
grammable feature.
²FLASH LIGHTS WITH LOCKS?- The options
include Yes and No. The default is Yes. When Yes is
selected, a single flash of the hazard warning lamps
will provide an optical confirmation when the RKE
receiver recognizes a valid Lock signal from an RKE
transmitter, and two flashes of the same lamps will
occur when the RKE receiver recognizes a valid
Unlock signal from an RKE transmitter. When No is
selected, no lamp flash will occur with the RKE Lock
or Unlock event. This feature may be selected inde-
pendent of theSOUND HORN ON LOCK?pro-
grammable feature.
²HEADLAMP DELAY =- The options include
Off, 30 Sec, 60 Sec, and 90 Sec. The default is 90 Sec.
When a time interval is selected, the headlamps will
remain on for that length of time when the head-
lamps are turned off after the ignition is turned off,
or if the Auto mode is selected on vehicles with the
Auto Headlamps option. When Off is selected, the
headlamp delay feature is disabled.
²HEADLAMPS ON WITH WIPERS?- This pro-
grammable feature only applies to vehicles equipped
8M - 8 MESSAGE SYSTEMSRS
ELECTRONIC VEHICLE INFO CENTER (Continued)
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with the optional Auto Headlamps. The options
include Yes and No. The default is No. When Yes is
selected, the headlamps will turn on automatically
when the windshield wipers are turned on. The head-
lamps will turn off when the wipers are turned off,
as long as the headlamp switch is in the Auto or Off
positions. When No is selected, the headlamps will
only turn on if manually selected or if the Auto mode
is selected and the outside ambient light levels dic-
tate that they should be on.
²RETRAIN TIRE SENSORS?- This program-
mable feature only applies to vehicles equipped with
the optional Tire Pressure Monitoring System. The
options include Yes and No. The default is No. When
Yes is selected, and the menu button is depressed the
EVIC will enter the training mode, starting with the
left front tire.
²POWER ACCESSORY DELAY?- The options
include Yes and No. The default is Yes. When No is
selected, the accessory powered components will turn
off automatically when the ignition key is turned off.
When Yes is selected, the accessory powered compo-
nents will remain on for 45 seconds when the igni-
tion key is turned off.
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove overhead console. Refer to Overhead
Console Removal and Installation in this section(Re-
fer to 8 - ELECTRICAL/OVERHEAD CONSOLE -
REMOVAL).
(3) Remove the ten screws holding the EVIC mod-
ule in the overhead console.
(4) Remove EVIC module from console assembly.
NOTE: If the EVIC module is being replaced, the tire
pressure monitoring system (if equipped) must be
retrained. Refer to the Tires/Wheels section of this
manual for detailed instructions.
INSTALLATION
(1) Position the EVIC module in the overhead con-
sole.
(2) Install the ten screws holding the EVIC module
in the overhead console.
(3) Install the overhead console (Refer to 8 -
ELECTRICAL/OVERHEAD CONSOLE - INSTALLA-
TION).
(4) Connect the battery negative cable.
NOTE: If the EVIC module is being replaced, the tire
pressure monitoring system (if equipped) must be
retrained. Refer to the Tires/Wheels section of this
manual for detailed instructions.NOTE: If a new EVIC module has been installed, the
compass will have to be calibrated and the variance
set. Refer to compass variation adjustment and
compass calibration in standard procedures.
COMPASS/MINI-TRIP
COMPUTER
DESCRIPTION
The Compass Mini-Trip Computer (CMTC) and
Compass Temperature (CT) computer are modules
located in the overhead console. Vehicles are
equipped with either the CMTC or the CT computers
not both. The CMTC is different in the fact that it is
equipped with the mini-trip feature. The CMTC, CT
consists of a electronic control module with a vacuum
fluorescent display (VFD) and function switches. The
CMTC, CT consists of a electronic module that dis-
plays compass, trip computer (CMTC only), and tem-
perature features. Actuating the STEP push button
(CMTC only) will cause the CMTC to change mode of
operation when ignition is ON. Actuating the STEP
push button (CMTC only) will cause the CMTC to
change mode of operation when ignition is ON.
Example:
²Average miles per gallon (ECO)
²Distance to empty (DTE)
²Instant miles per gallon (ECO)
²Trip odometer (ODO)
²Elapsed time (ET)
²Off
Actuating the C/T push button will cause the
CMTC, CT to change to Compass/Temperature dis-
play.
OPERATION
The Compass Mini-Trip Computer (CMTC), Com-
pass Temperature (CT) module in the overhead con-
sole has buttons used to select various functions. The
CMTC, CT selector buttons will not operate until the
ignition is in the RUN position.
When the ignition switch is first turned to the
RUN position the CMTC, CT display;
²Blanks momentarily
²All segments of the VFD will light for one sec-
ond
²Blanks momentarily
²Returns to the last mode setting selected before
the ignition was last switched OFF.
RSMESSAGE SYSTEMS8M-9
ELECTRONIC VEHICLE INFO CENTER (Continued)
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tion. To test the airbag warning lamp (bulb) opera-
tion in the cluster, refer to Electrical, Instrument
Cluster, Diagnosis and Testing - Instrument Cluster.
Refer to the proper Body Diagnostic Procedures man-
ual for any other system problems.
STANDARD PROCEDURE
STANDARD PROCEDURE - HANDLING
AIRBAGS
DEPLOYED AIRBAG
The vehicle interior may contain a very small
amount of sodium hydroxide powder, a by-product of
airbag deployment. Sodium hydroxide powder can
irritate the skin, eyes, nose and throat. Wear safety
glasses, rubber gloves, and long sleeved clothing
when cleaning any of the powder residue from the
vehicle.
If you find that the cleanup is irritating your skin,
run cool water over the affected area. Also, if you
experience nasal or throat irritation, exit the vehicle
for fresh air until the irritation ceases. If irritation
continues, see a physician.
UNDEPLOYED AIRBAG
The airbags must be stored in its original special
container until used for service. At no time should a
source of electricity be permitted near the inflator on
the back of an airbag module. When carrying or han-
dling an undeployed airbag module, the trim side of
the airbag should be pointing away from the body to
minimize possibility of injury if accidental deploy-
ment occurs. Do not place undeployed airbag face
down on a solid surface, the airbag will propel into
the air if accidental deployment occurs.
STANDARD PROCEDURE - SERVICE AFTER AN
AIRBAG DEPLOYMENT
DRIVER AIRBAG
After a Driver Airbag has been deployed due to a
collision, the followingMUSTbe replaced:
²Driver Airbag
²Clock Spring Assembly
²Steering Wheel
²Complete Steering Column Assembly w/Lower
Steering Column Coupler
All other airbag and vehicle components should be
closely inspected following any airbag deployment,
and should be replaced when visible damage is
incurred.
PASSENGER AIRBAG
After a Passenger Airbag has been deployed due to
a collision. the followingMUSTbe replaced:
²Passenger Airbag
²Instrument Panel and Pad Assembly
All other airbag and vehicle components should be
closely inspected following any airbag deployment,
and should be replaced when visible damage is
incurred.
SEAT AIRBAG
After a Seat Airbag has been deployed due to a col-
lision. the followingMUSTbe replaced:
²Complete Seat Back Assembly
All other airbag and vehicle components should be
closely inspected following any airbag deployment,
and should be replaced when visible damage is
incurred.
SEAT BELT TENSIONERS
After a frontal impact where an airbag has been
deployed due to a collision. the followingMUSTbe
replaced:
²Front Seat Belt Buckle (driver and passenger)
with integral Tensioners.
All other seat belts should be closely inspected for
cuts, tears, fraying, or damage in any way following
any frontal impact or airbag deployment. The other
seat belts are to be replaced when visible damage is
incurred.
CLEAN UP PROCEDURE
Roll or fold the airbag towards its mounting point
(i.e. instrument panel, steering wheel, or seat back).
Then tape the ripped cover over the deployed airbag
if applicable.
Use a vacuum cleaner to remove any residual pow-
der from the vehicle interior. Work from the outside
in to avoid kneeling or sitting in a contaminated
area. Vacuum the heater and A/C outlets as well (Fig.
1). If the heater or air conditioner was in RECIRC
mode at time of airbag deployment, operate blower
motor on low speed and vacuum powder residue
expelled from the heater and A/C outlets. Multiple
vacuum cleaning may be necessary to decontaminate
the interior of the vehicle.
RSRESTRAINTS8O-3
RESTRAINTS (Continued)
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CLOCK SPRING
DESCRIPTION
The clock spring is screwed to a plastic mounting
platform on the steering column behind the steering
wheel. The clock spring is used to maintain a contin-
uous electrical circuit between the wiring harness
and the drivers airbag.
OPERATION
This assembly consists of a flat ribbon like electri-
cally conductive tape which winds and unwinds with
the steering wheel rotation. The clock spring cannot
be repaired. If the clock spring is faulty, damaged, or
if the airbag has been deployed, the clock spring
must be replaced.
STANDARD PROCEDURE - CLOCK SPRING
CENTERING
If the rotating tape (wire coil) in the clock spring is
not positioned properly with the steering wheel and
the front wheels, the clock spring may fail. The fol-
lowing procedure MUST BE USED to center the
clock spring if it is not known to be properly posi-
tioned, or if the front wheels were moved from the
straight ahead position.
(1) Position steering wheel and front wheels
straight ahead.
(2) Release hood latch and open hood.
(3) Disconnect and isolate the battery negative
cable.
(4) Wait two minutes for the system reserve capac-
itor to discharge before beginning any airbag compo-
nent service.
(5) Remove driver airbag from steering wheel
(Refer to 8 - ELECTRICAL/RESTRAINTS/DRIVER
AIRBAG - REMOVAL).
(6) Disconnect wire connectors from back of driver
airbag.(7) Disconnect the 2±way connector from remote
radio control harness.
(8) Disconnect the 4±way harness connector from
the speed control/horn harness to the clock spring.
(9) Remove steering wheel (Refer to 19 - STEER-
ING/COLUMN/STEERING WHEEL - REMOVAL).
(10) Rotate the clock spring rotor clockwise until
the rotor stops. Do not apply excessive force.
(11) From the end of travel, rotate the rotor two
turns counterclockwise until the wires end up at the
top.
(12) Install the steering wheel (Refer to 19 -
STEERING/COLUMN/STEERING WHEEL -
INSTALLATION).
(13) Connect the 4±way harness connector to the
speed control/horn harness to the clock spring.
(14) Connect the 2±way connector to the remote
radio control harness.
(15) Install the driver airbag (Refer to 8 - ELEC-
TRICAL/RESTRAINTS/DRIVER AIRBAG - INSTAL-
LATION). Torque the two screws to 10 N´m (90 in.
lbs.).
WARNING: DO NOT CONNECT THE BATTERY NEG-
ATIVE CABLE. REFER TO ELECTRICAL,
RESTRAINTS, DIAGNOSIS AND TESTING - AIRBAG
SYSTEM FIRST.
REMOVAL
(1) Position steering wheel and front wheels
straight ahead.
(2) Release hood latch and open hood.
(3) Disconnect and isolate the battery negative
cable.
(4) Wait two minutes for the system reserve capac-
itor to discharge before beginning any airbag compo-
nent service.
(5) Remove driver airbag from steering wheel
(Refer to 8 - ELECTRICAL/RESTRAINTS/DRIVER
AIRBAG - REMOVAL).
(6) Disconnect wire connectors from back of driver
airbag.
(7) Disconnect the 2±way connector from remote
radio control harness.
(8) Disconnect the 4±way harness connector from
the speed control/horn harness to the clock spring.
(9) Remove steering wheel (Refer to 19 - STEER-
ING/COLUMN/STEERING WHEEL - REMOVAL).
(10) Remove steering column shrouds and discon-
nect traction control wire connector (if equipped)
(Refer to 19 - STEERING/COLUMN/LOWER
SHROUD - REMOVAL).
(11) Disconnect 4-way and 6-way connectors
between the clock spring and the instrument panel
wiring harness.
Fig. 1 VACUUM HEATER AND A/C OUTLETS -
TYPICAL
8O - 4 RESTRAINTSRS
RESTRAINTS (Continued)
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(12) Remove clock spring from column assembly by
removing the two retaining screws that attach the
clock spring to the column.
INSTALLATION
(1) Install the clock spring on the column.
(2) Connect the 4-way and 6-way connectors
between the clock spring and the instrument panel
wiring harness.
(3) Install the steering column shrouds and con-
nect traction control wire connector (if equipped)
(Refer to 19 - STEERING/COLUMN/LOWER
SHROUD - INSTALLATION).
(4) Install the steering wheel (Refer to 19 -
STEERING/COLUMN/STEERING WHEEL -
INSTALLATION).
(5) Connect the 4±way harness connector to the
speed control/horn harness to the clock spring.
(6) Connect the 2±way connector to the remote
radio control harness.
(7) Install the driver airbag (Refer to 8 - ELEC-
TRICAL/RESTRAINTS/DRIVER AIRBAG - INSTAL-
LATION). Torque the two screws to 10 N´m (90 in.
lbs.).
WARNING: DO NOT CONNECT THE BATTERY NEG-
ATIVE CABLE. REFER TO ELECTRICAL,
RESTRAINTS, DIAGNOSIS AND TESTING - AIRBAG
SYSTEM FIRST.
DRIVER AIRBAG
DESCRIPTION
The Driver Airbag is located in the center of the
steering wheel. The most visible part of the airbag is
the cover/horn switch. The Driver Airbag and Driver
Airbag Cover/Horn Pad are serviced separately from
each other.
OPERATION
The Driver Airbag cover contains the horn switch,
inflator device, and a fabric bag. The airbag cover/
horn switch is serviced separately from the inflator
and bag components.
When the front airbag system is deployed, the fol-
lowingMUSTbe replaced:
²Complete Steering Column Assembly.
²Lower Steering Column Coupler.
²Steering Wheel.
²Clock Spring.
²Driver Airbag
²Passenger Airbag
²Upper Instrument Panel with Pad.
CARE OF UNDEPLOYED AIRBAGS
Airbags must be stored in their original special
container until used for service. At no time should a
source of electricity be permitted near the inflator on
the back of an airbag. When carrying or handling an
undeployed airbag, the trim side of the airbag should
be pointing away from the body to minimize possibil-
ity of injury if accidental deployment occurs. Do not
place undeployed airbag face down on a solid surface,
the airbag will propel into the air if accidental
deployment occurs.
REMOVAL
DEPLOYED AIRBAG
(1) Clean powder residue from interior of vehicle
(Fig. 1).
(2) Position steering wheel and front wheels
straight ahead.
(3) Release hood latch and open hood.
(4) Disconnect and isolate the battery negative
cable.
(5) Wait two minutes for the system reserve capac-
itor to discharge before beginning any airbag compo-
nent service.
(6) Remove two screws retaining driver airbag to
steering wheel.
(7) Disconnect wire connectors from back of driver
airbag.
(8) Disconnect the 2±way connector from remote
radio control harness.
(9) Disconnect the 4±way harness connector from
the speed control/horn harness to the clock spring.
(10) Remove steering wheel (Refer to 19 - STEER-
ING/COLUMN/STEERING WHEEL - REMOVAL).
(11) Remove steering column shrouds and discon-
nect traction control wire connector (if equipped)
(Refer to 19 - STEERING/COLUMN/LOWER
SHROUD - REMOVAL).
(12) Disconnect 4-way and 6-way connectors
between the clock spring and the instrument panel
wiring harness.
(13) Remove clock spring from column assembly by
removing the two retaining screws that attach the
clock spring to the column.
NOTE: The clock spring, steering wheel, and com-
plete steering column assembly w/lower steering
column coupler must be replaced also in the event
of a driver airbag deployment
UNDEPLOYED AIRBAG
(1) Release hood latch and open hood.
(2) Disconnect and isolate the battery negative
cable.
RSRESTRAINTS8O-5
CLOCK SPRING (Continued)
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(3) Wait two minutes for the system reserve capac-
itor to discharge before beginning any airbag compo-
nent service.
(4) Remove two screws retaining driver airbag to
steering wheel.
(5) Disconnect wire connectors from back of driver
airbag (Fig. 2).
(6) Disconnect the 2±way connector from remote
radio control harness.
(7) Disconnect the 4±way harness connector from
the speed control/horn harness to the clock spring.
INSTALLATION
DEPLOYED AIRBAG
(1) Perform clean up procedure (Refer to 8 - ELEC-
TRICAL/RESTRAINTS - STANDARD PROCEDURE
- SERVICE AFTER AN AIRBAG DEPLOYMENT).
(2) Install a new steering column assembly and
lower steering column coupler (Refer to 19 - STEER-
ING/COLUMN - INSTALLATION).
(3) Install the new clock spring.
(4) Connect the 4-way and 6-way connectors
between the clock spring and the instrument panel
wiring harness.
(5) Install the steering column shrouds and con-
nect traction control wire connector (if equipped)
(Refer to 19 - STEERING/COLUMN/LOWER
SHROUD - INSTALLATION).
(6) Install the steering wheel (Refer to 19 -
STEERING/COLUMN/STEERING WHEEL -
INSTALLATION).
(7) Connect the 4±way harness connector to the
speed control/horn harness to the clock spring.(8) Connect the 2±way connector to the remote
radio control harness.
(9) Install the driver airbag and the two screws
retaining the airbag. Tighten screws to 10 N´m (90
in. lbs.)
WARNING: DO NOT CONNECT THE BATTERY NEG-
ATIVE CABLE. REFER TO ELECTRICAL,
RESTRAINTS, DIAGNOSIS AND TESTING - AIRBAG
SYSTEM FIRST.
UNDEPLOYED AIRBAG
(1) Connect the harness connector on the DAB
cover (horn, speed controls) to the clock spring.
(2) Connect the squib connectors to the DAB.
(3) Position a new airbag into the airbag cavity.
(4) Install the two screws retaining the airbag.
Tighten screws to 10 N´m (90 in. lbs.)
WARNING: DO NOT CONNECT THE BATTERY NEG-
ATIVE CABLE. REFER TO ELECTRICAL,
RESTRAINTS, DIAGNOSIS AND TESTING - AIRBAG
SYSTEM FIRST.
DRIVER AIRBAG TRIM COVER
REMOVAL
The horn switch is integral to the driver airbag
trim cover. If either component is faulty or damaged,
the entire driver airbag trim cover and horn switch
unit must be replaced.
(1) Disconnect and isolate the battery negative
cable. Wait two minutes for the system capacitor to
discharge.
(2) Remove the driver airbag from the steering
wheel (Refer to 8 - ELECTRICAL/RESTRAINTS/
DRIVER AIRBAG - REMOVAL).
(3) Remove the plastic wire retainer that captures
the horn switch feed pigtail wire between the upper
left inflator stud and the inflator on the back of the
driver airbag housing and disconnect the speed con-
trol switches (if equipped).
(4) Remove the four nuts that secure the trim
cover retainer to the studs on the back of the driver
airbag housing.
(5) Remove the horn switch ground pigtail wire
eyelet terminal from the upper left airbag housing
stud.
(6) Remove the trim cover retainer from the airbag
housing studs.
(7) Disengage the six trim cover locking blocks
from the lip around the outside edge of the driver
airbag housing and remove the housing from the
cover.
Fig. 2 DRIVER AIRBAG WIRE CONNECTIONS
1 - AIRBAG SQUIB CONNECTORS
2 - DRIVER AIRBAG
3 - HORN/SPEED CONTROL CONNECTOR
4 - CLOCK SPRING
8O - 6 RESTRAINTSRS
DRIVER AIRBAG (Continued)
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INSTALLATION
(1) Install the housing into the cover. Engage the
six trim cover locking blocks to the lip around the
outside edge of the driver airbag housing.
(2) Install the trim cover retainer to the airbag
housing studs.
(3) Install the horn switch ground pigtail wire eye-
let terminal to the upper left airbag housing stud.
(4) Install the four nuts that secure the upper and
lower trim cover retainers to the studs on the back of
the driver airbag housing. Torque nuts to 6.8 N´m (60
in. lbs.).
(5) Install the plastic wire retainer that captures
the horn switch feed pigtail wire between the upper
left inflator stud and the inflator on the back of the
driver airbag housing.
(6) Connect speed control switches (if equipped).
(7) Install the driver airbag onto the steering
wheel (Refer to 8 - ELECTRICAL/RESTRAINTS/
DRIVER AIRBAG - INSTALLATION).
WARNING: DO NOT CONNECT THE BATTERY NEG-
ATIVE CABLE. FIRST (Refer to 8 - ELECTRICAL/RE-
STRAINTS/DIAGNOSIS AND TESTING - AIRBAG
SYSTEM).
OCCUPANT RESTRAINT
CONTROLLER
DESCRIPTION
The front driver and passenger airbag system is
designed to reduce the risk of fatality or serious
injury, caused by a frontal impact of the vehicle.
The Occupant Restraint Controller (ORC) is also
sometimes referred to as the Airbag Control Module
(ACM). The ORC contains the impact sensor and
energy reserve capacitor. It is mounted on a bracket,
under the instrument panel, just forward of the stor-
age bin. The ORC monitors the system to determine
the system readiness. The ORC contains on-board
diagnostics and will light the AIRBAG warning lamp
in the message center when a problem occurs.
OPERATION
The impact sensor provides verification of the
direction and severity of the impact. One impact sen-
sor is used. It is located inside the Occupant
Restraint Controller (ORC). The impact sensor is an
accelerometer that senses deceleration. The decelera-
tion pulses are sent to a microprocessor which con-
tains a decision algorithm. When an impact is severe
enough to require airbag protection, the ORC micro-
processor sends a signal that completes the electrical
circuit to the driver and passenger airbags. Theimpact sensor is calibrated for the specific vehicle
and reacts to the severity and direction of an impact.
REMOVAL
NOTE: Diagnose the ORC using the service/diag-
nostic manual.
(1) Disconnect and isolate the battery negative
cable.
(2) Remove storage bin from instrument panel.
Refer to Body, Instrument Panel, Storage Bin,
Removal.
(3) Remove three bolts holding ORC to floor
bracket.
(4) Disconnect the wire connector from ORC.
(5) Remove the ORC assembly from vehicle.
INSTALLATION
WARNING: DO NOT INSTALL ORC IF MOUNTING
LOCATION IS DEFORMED OR DAMAGED.
CAUTION: Use correct screws when installing the
ORC.
(1) Install the ORC assembly into vehicle.
(2) Connect the wire connector to the ORC.
(3) Install three bolts holding ORC to floor
bracket. Torque bolts to 7.3 - 9.6 N´m (65 to 85 in.
lbs.)
(4) Install the storage bin onto the instrument
panel. Refer to Body, Instrument Panel, Storage Bin,
Installation.
WARNING: DO NOT CONNECT THE BATTERY NEG-
ATIVE CABLE. REFER TO ELECTRICAL,
RESTRAINTS, DIAGNOSIS AND TESTING - AIRBAG
SYSTEM FIRST.
PASSENGER AIRBAG
DESCRIPTION
WARNING: NEVER DISASSEMBLE THE PASSEN-
GER AIRBAG, THE PASSENGER AIRBAG HAS NO
SERVICEABLE PARTS.
The Passenger Airbag is located beneath the
instrument panel and pad assembly. The airbag is
mounted to the back side of the instrument panel
reinforcement.
The instrument panel top pad is the most visible
part of the passenger airbag system. Located under
the instrument panel top pad are the airbag door, the
RSRESTRAINTS8O-7
DRIVER AIRBAG TRIM COVER (Continued)
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