instrument panel CHRYSLER VOYAGER 2001 Service Manual
[x] Cancel search | Manufacturer: CHRYSLER, Model Year: 2001, Model line: VOYAGER, Model: CHRYSLER VOYAGER 2001Pages: 4284, PDF Size: 83.53 MB
Page 3584 of 4284
(17) Remove the two steering column shroud
retaining screws. Separate the shrouds and remove
from vehicle.
(18) Disconnect the steering column wiring. There
are seven connectors and then unclip the harness
from the column.
(19) Disconnect the ORC harness connector.
(20) Remove the four nuts retaining the steering
column and lower to the floor.
(21) Remove the four nuts attaching the instru-
ment panel to the brake pedal support bracket.
(22) Loosen the left side roll down bolt.
(23) Remove the left side A-pillar retaining bolts.
There are two 13 mm bolts and one 10 mm bolt.
(24) If equipped with a mechanical transmission
range indicator:
(a) Remove the indicator cable loop.
(b) Remove the clip holding gear shift cable end
to the gear selector adapter.
(c) Pull the cable end from gear selector.
(d) Disconnect the clip for the indicator cable
and guide tube from the shift cable bracket and
move out of the way.
(25) Remove the instrument panel top cover. Using
a trim stick or equivalent, gently pry up on the front
edge of the top cover, pull rearward and remove from
vehicle.
(26) Disconnect the right side wire connectors from
the HVAC behind the glove box area and the two
antenna connectors behind the glove box hinge.
(27) Remove the right end cover by pulling out-
board.
(28) Remove the right side A-pillar retaining bolts.
There are two 13 mm bolts and one 10 mm bolt.
(29) Loosen the right side roll down bolt.
(30) Disconnect the two front window defroster
grid wire connectors. One on each side of vehicle.
(31) Remove both the left and right power mirrors:
(a) Using a trim stick or equivalent, gently pry
out on mirror trim cover.
(b) Open door and remove the three torx retain-
ing screws.
(c) Disconnect the wire connector and remove
mirror from the vehicle.
(32) Feed power mirror wire harness inboard
through the A-pillar.
(33) Remove the bolts holding the instrument
panel frame to the dash panel below windshield
opening.
(34) With the help of an assistant remove the
instrument panel from vehicle. Lift the instrument
panel up off the HVAC so you won't damage the seal-
ing surface of the distribution duct.
If the instrument panel is being replaced, transfer
all parts to the new instrument panel assembly.INSTALLATION
(1) With the help of an assistant place the instru-
ment panel into vehicle on roll down bolts. As you
roll the instrument panel up, lift the instrument
panel up so the duct work does not bind or bend and
you can set it down on the HVAC housing to get the
proper seal at the distribution duct. Get one bolt
started in the dash panel.
(2) Install the bolts holding the instrument panel
frame to the dash panel below windshield opening.
(3) Feed power mirror wire harness outboard
through the A-pillar.
(4) Install both the left and right power mirrors:
(a) Connect the wire connector and install the
mirror onto the vehicle.
(b) Install the three torx retaining screws.
(c) Using a firm push, snap the mirror trim
cover into place.
(5) Connect the two front window defroster grid
wire connectors. One on each side of vehicle.
(6) Tighten the right side roll down bolt.
(7) Install the right side A-pillar retaining bolts.
There are two 13 mm bolts and one 10 mm bolt.
(8) Install the right end cover. Position over retain-
ing slots and firmly snap into place.
(9) Connect the right side wire connectors to the
HVAC behind the glove box area and the two
antenna connectors behind the glove box hinge.
(10) Install the instrument panel top cover. Slide
the front edge of the top cover toward dash panel,
and firmly snap down the rear edge of the to cover to
engage clips.
(11) If equipped with a mechanical transmission
range indicator:
(a) Connect the clip for the indicator cable and
guide tube to the shift cable bracket.
(b) Install the cable end to the gear selector.
(c) Install the clip holding the gear shift cable
end to the gear selector adapter.
(d) Install the indicator cable loop.
(12) Install the left side A-pillar retaining bolts.
There are two 13 mm bolts and one 10 mm bolt.
(13) Tighten the left side roll down bolt.
(14) Install the four nuts attaching the instrument
panel to the brake pedal support bracket.
(15) Install the four nuts retaining the steering
column and lower to the floor.
(16) Connect the ORC harness connector.
(17) Connect the steering column wiring. There
are seven connectors and then clip the harness to the
column.
(18) Connect the shrouds and install the two steer-
ing column shroud retaining screws.
(19) Install five screws to the left under column
instrument panel reinforcement brace.
23 - 204 INSTRUMENT PANELRS
INSTRUMENT PANEL ASSEMBLY (Continued)
Page 3585 of 4284
(20) Install the two screws to the hood release
handle.
(21) Connect the left side wiring:
(a) Brake switch.
(b) Main bulkhead connector.
(c) Five harness connectors.
(d) Driver airbag connector.
(22) Install one screw to the left side instrument
panel silencer.
(23) Clip the Data Link Connector (DLC) to the
instrument panel reinforcement.
(24) Install the eight screws to the plastic knee
blocker reinforcement.
(25) Install the four screws to the lower steering
column cover.
(26) Install the glove box:
(a) Install glove box into the vehicle. Line up the
hinges and firmly snap together.
(b) Push in on sides of glove box bin and raise
door.
(27) Install the both left and right side A-pillar
trim covers. Position trim cover over slots and firmly
snap into place.
(28) Install the two screws to each right and left
cowl trim covers.
(29) Connect the wire connectors to the Passenger
Airbag.
(30) Install the bolts holding the lower supports to
the floor pan.
(31) Install the bolts holding the lower supports to
the instrument panel frame.
(32) Install the lower console:
(a) Install lower console to vehicle.
(b) Connect the auxiliary power outlet.
(c) Install the six retaining screws.
(33) Connect the battery negative cable.
INSTRUMENT PANEL CENTER
BEZEL
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove cup holder. Refer to Body, Instrument
Panel, Cup Holder, Removal.
(3) Insert the trim stick (special tool #C-4755) or
equivalent between access cover and center bezel.
(4) Carefully pry the access cover from the instru-
ment panel.
(5) Remove the cup holder track. Refer to Body,
Instrument Panel, Cup Holder, Removal.
(6) Using a trim stick or equivalent, gently pry out
on the edge of the instrument panel center bezel and
pull outward.(7) Disconnect the wire connectors to the accessory
switches and HVAC control.
(8) Remove the instrument panel center bezel from
the vehicle.
INSTALLATION
(1) Install the instrument panel center bezel from
the vehicle.
(2) Connect the wire connectors to the accessory
switches and HVAC control.
(3) Position the center bezel over the retaining
slots and firmly snap the instrument panel center
bezel into place.
(4) Install the cup holder track. Refer to Body,
Instrument Panel, Cup Holder, Installation.
(5) Position the center bezel over the retaining
slots and firmly snap into place.
(6) Install cup holder. Refer to Body, Instrument
Panel, Cup Holder, Installation.
(7) Connect the battery negative cable.
INSTRUMENT PANEL END
COVER
REMOVAL
(1) Open passenger side front door.
(2) Place fingers in end cover grille, and with a
firm outboard pulling motion, disengage clips holding
end cover to instrument panel.
INSTALLATION
(1) Position end cover over retaining slots and
firmly snap into place.
(2) Close passenger side front door.
INSTRUMENT PANEL TOP
COVER
REMOVAL
(1) Remove A-pillar trim. Using a trim stick (spe-
cial tool #C-4755) or equivalent, gently pry out and
remove.
(2) Using a trim stick, disengage clips holding rear
edge of top cover to instrument panel.
NOTE: The Instrument Panel Top Cover may be
hard to unsnap from the instrument panel. Be sure
not to mar, scuff, or damage the instrument panel
pad.
(3) Pull top cover rearward to disengage hooks
holding front of top cover to instrument panel.
(4) Remove top cover from vehicle.
RSINSTRUMENT PANEL23 - 205
INSTRUMENT PANEL ASSEMBLY (Continued)
Page 3586 of 4284
INSTALLATION
(1) Place instrument panel top cover in position on
vehicle.
(2) Push top cover forward to engage hooks to hold
front of top cover to instrument panel.
(3) Engage clips to hold rear edge of top cover to
instrument panel.
(4) Pull top cover rearward.
(5) Install A-pillar trim.
KNEE BLOCKER
REINFORCEMENT
REMOVAL
(1) Remove lower steering column cover. Refer to
Body, Instrument Panel, Instrument Panel Lower
Steering Column Cover, Removal.
(2) Remove screws holding knee blocker reinforce-
ment to instrument panel.
(3) Remove knee blocker reinforcement from vehi-
cle.
INSTALLATION
(1) Install the knee blocker reinforcement into
vehicle.
(2) Install the screws holding knee blocker rein-
forcement to instrument panel.
(3) Install the lower steering column cover. Refer
to Body, Instrument Panel, Instrument Panel Lower
Steering Column Cover, Installation.
LOWER CONSOLE
REMOVAL
(1) Remove screws holding the lower console to
floor bracket and instrument panel.
(2) Slide lower console rearward from around
instrument panel supports.
(3) Disconnect the auxiliary power outlet wire con-
nector (if equipped).
(4) Remove lower console from vehicle.
INSTALLATION
(1) Connect the auxiliary power outlet wire con-
nector (if equipped).
(2) Install the lower console into the vehicle.
(3) Slide console forward around instrument panel
supports.
(4) Install the screws holding lower console to floor
bracket and instrument panel.
LOWER INSTRUMENT PANEL
REMOVAL
When servicing the lower instrument panel, refer
to Body, Instrument Panel, and then the appropriate
removal procedure.
(1) Remove the right end cover.
(2) Remove the lower steering column cover.
(3) Remove the center bezel.
(4) Remove the lower console.
(5) Remove the cup holder and track.
(6) Remove the glove box.
(7) Remove the glove box latch striker.
(8) Remove the glove box lamp.
(9) Remove the eighteen screws holding the lower
instrument panel to the reinforcement frame.
(10) Remove the lower instrument panel from
vehicle.
INSTALLATION
When servicing the lower instrument panel, refer
to Body, Instrument Panel, and then the appropriate
removal procedure.
(1) Install the lower instrument panel into the
vehicle.
(2) Install the eighteen screws holding the lower
instrument panel to the reinforcement frame.
(3) Install the glove box lamp.
(4) Install the glove box latch striker.
(5) Install the glove box.
(6) Install the cup holder and track.
(7) Install the lower console.
(8) Install the center bezel.
(9) Install the lower steering column cover.
(10) Install the right end cover.
LOWER STEERING COLUMN
COVER
REMOVAL
(1) Remove the four screws holding the lower
steering column cover to instrument panel.
(2) Remove the lower steering column cover from
the vehicle.
INSTALLATION
(1) Install the lower steering column cover into the
vehicle.
(2) Install the four screws holding the lower steer-
ing column cover to instrument panel.
23 - 206 INSTRUMENT PANELRS
INSTRUMENT PANEL TOP COVER (Continued)
Page 3587 of 4284
OVER STEERING COLUMN
COVER
REMOVAL
(1) Taking a firm grasp of the over steering col-
umn cover front edge, give a quick upward pulling
motion to disengage the cover from the instrument
panel.(2) Remove the over steering column cover from
the vehicle.
INSTALLATION
(1) Place the over steering column cover into posi-
tion over the retaining slots and firmly snap into
place.
RSINSTRUMENT PANEL23 - 207
Page 3589 of 4284
A-PILLAR LOWER EXTENSION
TRIM
REMOVAL
(1) Remove instrument panel side cover.
(2) Remove screw holding A-pillar extension to
door hinge pillar.
(3) Remove A-pillar extension trim from vehicle
(Fig. 1) .
INSTALLATION
(1) Place A-pillar extension trim in position on
vehicle.
(2) Install screw to hold A-pillar extension to door
hinge pillar.
(3) Install instrument panel side cover.
A-PILLAR TRIM
REMOVAL
(1) Remove the assist handle if equipped. (Refer to
23 - BODY/INTERIOR/ASSIST HANDLE - REMOV-
AL).
(2) Disengage hidden clips holding A-pillar trim
panel to A-pillar (Fig. 2).
(3) Remove A-pillar trim from vehicle.
INSTALLATION
(1) Position foot on A-pillar trim panel into instru-
ment panel top cover channel.
(2) Position A-pillar trim in vehicle.
(3) Align locator pins.
(4) Engage hidden clips.(5) Install the assist handle, if equipped. (Refer to
23 - BODY/INTERIOR/ASSIST HANDLE - INSTAL-
LATION)
ASSIST HANDLE
REMOVAL
(1) Using a trim stick (C-4755), remove screw
access covers from grab-handle.
(2) Remove screws holding grab-handle to roof rail.
(3) Remove grab-handle from vehicle.
INSTALLATION
(1) Place grab-handle in position on vehicle.
(2) Install screws to hold grab-handle to roof rail.
(3) Install screw access covers into grab-handle.
B-PILLAR LOWER TRIM
REMOVAL
(1) Slide lower seat belt cover rearward to expose
anchor bolt.
(2) Remove bolt attaching lower seat belt anchor to
floor.
(3) Remove upper B-pillar trim cover.
(4) Remove access panel from B-pillar trim (Fig. 3)
.
Fig. 1 A-pillar Lower Extension Trim
1 - A-PILLAR LOWER EXTENSION TRIM
2 - IP SIDE COVER
Fig. 2 A-pillar Trim
1 - A-PILLAR
2 - CLIPS
RSINTERIOR23 - 209
Page 3591 of 4284
(2) Place B-pillar trim cover in position on vehicle.
(3) Engage hidden clips attaching trim cover to
B-pillar.
(4) Install screw attaching trim cover to B-pillar
inside bezel cavity.
(5) Install shoulder belt bezel into trim cover.
(6) Install height adjuster knob.
(7) Install shoulder belt turning loop onto height
adjuster. Tighten bolt to 39 N´m (29 ft. lbs.) torque.
(8) Place seat anchor in position on floor so web-
bing is pointed rearward and slightly outboard.
(9) Install bolt attaching lower seat belt anchor to
floor. Tighten seat belt bolt to 39 N´m (29 ft. lbs.)
torque.
CARPETS AND FLOOR MATS
REMOVAL
(1) Remove front seats. (Refer to 23 - BODY/
SEATS/SEAT - REMOVAL).
(2) Remove front center console.
(3) Remove the remaining seats. Refer to the Own-
er's Manual for the proper procedures.
(4) Remove front cowl panels and sill plates.
(5) Remove sliding door sill plates. (Refer to 23 -
BODY/INTERIOR/SLIDING DOOR SILL PLATE -
REMOVAL).
(6) Remove the cargo organizer, if equipped.
(7) Remove liftgate scuff plate. (Refer to 23 -
BODY/INTERIOR/LIFTGATE SCUFF PLATE -
REMOVAL).
(8) Remove lower B-pillar trim covers.
(9) Remove D-pillar trim covers.
(10) Remove Quarter trim panels.
(11) Remove floor escutcheons (Fig. 5).
(12) Remove the floor console trays. (Refer to 23 -
BODY/INTERIOR/FLOOR CONSOLE TRAY -
REMOVAL).
(13) Remove push-in fasteners attaching carpet to
floor in front seat area.
(14) Roll carpet from under instrument panel to
center of sliding door.
(15) Roll carpet forward away from rear door open-
ing.
(16) Extract carpet through sliding door opening
(Fig. 6).
INSTALLATION
(1) Insert carpet through sliding door opening.
(2) Roll carpet rearward toward rear door opening.
(3) Roll carpet under instrument panel.
(4) Install push-in fasteners through carpet and
grommet into floor to attach carpet to floor in front
seat area.CAUTION: Ensure that the correct fasteners are
installed in the proper locations. Damage to the fuel
tank may result.
(5) Install floor escutcheons.
(6) Install the floor console trays. (Refer to 23 -
BODY/INTERIOR/FLOOR CONSOLE TRAY -
INSTALLATION).
(7) Install Quarter trim panels.
(8) Install D-pillar trim covers.
Fig. 5 Seat Escutcheons
1 - SEAT ESCUTCHEON
2 - FLOOR CARPET
Fig. 6 Floor Carpet
1 - PUSH-IN FASTENERS
2 - CARPET MAT
3 - SEAL GROMMET
4 - CARPET
RSINTERIOR23 - 211
B-PILLAR UPPER TRIM (Continued)
Page 3592 of 4284
(9) Install lower B-pillar trim covers.
(10) Install rear door sill plate.
(11) Install sliding door sill plates. (Refer to 23 -
BODY/INTERIOR/SLIDING DOOR SILL PLATE -
INSTALLATION).
(12) Install front cowl panels and sill plates.
(13) Install the passenger seats. Refer to the Own-
er's Manual for proper procedures.
(14) Install front center console.
(15) Install front seats. (Refer to 23 - BODY/
SEATS/SEAT - INSTALLATION).
COWL TRIM
REMOVAL
(1) Remove door sill plate.
(2) Disengage hidden clips holding cowl trim to
cowl panel (Fig. 7).
(3) Remove cowl trim from vehicle.
INSTALLATION
(1) Place cowl trim sill plate in position on vehicle.
(2) Engage hidden clips to hold cowl trim to cowl
panel.
(3) Install door sill plate.
C-PILLAR TRIM
REMOVAL
(1) Remove quarter trim bolster.
(2) Remove seat belt turning loop from height
adjuster.
(3) Remove screw attaching C-pillar trim panel to
C-pillar on right side of SWB vehicle.
(4) Disengage hidden clips attaching trim to upper
C-pillar.
(5) Remove upper C-pillar trim from vehicle.
INSTALLATION
(1) Place upper C-pillar trim in position on vehicle.
(2) Engage hidden clips attaching trim to upper
C-pillar.
(3) Install screw attaching C-pillar trim panel to
C-pillar on right side of SWB vehicle.
(4) Install seat belt turning loop onto height
adjuster. Tighten all seat belt bolts to 39 N´m (29 ft.
lbs.) torque.
(5) Install quarter trim bolster.
DOOR SILL TRIM PLATE
REMOVAL
(1) Using trim stick (C-4755), disengage hidden
clips holding door sill plate from door sill.
(2) Remove sill plate from vehicle (Fig. 8).
INSTALLATION
(1) Place sill plate in position on vehicle.
(2) Align locating pins on backside of trim plate to
mating holes in door sill.
(3) Engage hidden clips to hold door sill plate to
door sill.
Fig. 7 Cowl Trim
1 - INSTRUMENT PANEL
2 - CLIPS
3 - COWL TRIM
4 - COWL
Fig. 8 Door Sill Plate
1 - SILL PLATE
2 - DOOR SILL
23 - 212 INTERIORRS
CARPETS AND FLOOR MATS (Continued)
Page 3624 of 4284
(6) Place protective covers over instrument panel
and hood.
(7) Remove windshield molding. Using pliers, pull
outward on molding at the bottom of A-pillars.
(8) Using a sharp cold knife, cut urethane adhe-
sive holding the windshield to the A-pillars, roof
header and cowl pinch weld fences (Fig. 1). A power
cutting device can be used if available.
(9) Remove windshield from vehicle.
WINDSHIELD REMOVAL ± INTERIOR METHOD
(1) Remove inside rear view mirror.
(2) Remove instrument panel top cover. Refer to
Group 8E, Instrument Panel and Systems.
(3) Remove A-pillar trim covers.
(4) Disconnect wire connectors to windshield
defroster grid.
(5) Place protective covers over instrument panel
and hood.
(6) Using a reciprocating or oscillating power
knife, cut urethane adhesive holding the windshield
to the A-pillars, roof header and cowl pinch weld
fences. Refer to instructions provided with the equip-
ment being used.
(7) Remove windshield from vehicle.
INSTALLATION
The urethane adhesive holding the windshield to
the opening pinch weld (fence) can be cut using a
sharp cold knife from the exterior of the vehicle.
Using the cold knife method is effective if the wind-
shield is already broken. If the glass must be sal-
vaged, cutting the urethane adhesive from the
interior of the vehicle using a reciprocating or oscil-
lating power knife is recommended.
CAUTION: Open the left front door glass before
installing windshield to avoid pressurizing the pas-
senger compartment. If a door is slammed before
urethane bonding is cured, water leaks can result.Allow the urethane at least 24 hours to cure before
returning the vehicle to use.
To avoid stressing the replacement windshield, the
urethane bonding material on the windshield fence
should be smooth and consistent to the shape of
the replacement windshield . The support spacers
should be cleaned and properly installed on weld
studs or repair screws at bottom of windshield
opening.
(1) Place replacement windshield into windshield
opening and position glass in the center of the open-
ing against the compression spacers.
(2) Verify the glass lays evenly against the pinch
weld fence at the sides, top and bottom of the
replacement windshield. If not, the pinch weld fence
must be formed to the shape of the new glass.
(3) Remove replacement windshield from wind-
shield opening.
(4) Position the windshield inside up on a suitable
work surface with two padded, wood 10 cm by 10 cm
by 50 cm (4 in. by 4 in. by 20 in.) blocks, placed par-
allel 75 cm (2.5 ft.) apart (Fig. 2).
WARNING: DO NOT USE SOLVENT BASED GLASS
CLEANER TO CLEAN WINDSHIELD BEFORE
APPLYING GLASS PREP AND PRIMER. POOR
ADHESION CAN RESULT.
(5) Clean inside of windshield with ammonia based
glass cleaner and lint-free cloth.
(6) Install molding to perimeter of windshield.
(7) Apply Glass Prep adhesion promoter 25 mm (1
in.) wide around perimeter of windshield and wipe
with clean/dry lint-free cloth until no streaks are vis-
ible.
(8) Apply Glass Primer 25 mm (1 in.) wide around
perimeter of windshield. Allow at least three minutes
drying time.
(9) Using a razor knife, remove as much original
urethane as possible. Do not damage paint on wind-
shield fence.
(10) Apply pinch weld primer 19 mm (0.75 in.)
wide around the windshield fence. Allow at least
three minutes drying time.
(11) If a low viscosity urethane adhesive is used,
install compression spacers on the fence around the
windshield opening (Fig. 3).
(12) Apply a 10 mm (0.4 in.) bead of urethane on
center line of windshield fence.
(13) With the aid of a helper, position the wind-
shield over the windshield opening.
(14) Slowly lower windshield glass to windshield
opening fence. Guide the molding into proper position
as necessary. Push windshield inward until molding
is flush to roof line and A-pillars (Fig. 3).
Fig. 1 Cut Urethane Around Windshield
1 - COLD KNIFE
2 - WINDSHIELD
23 - 244 STATIONARY GLASSRS
WINDSHIELD (Continued)
Page 3631 of 4284
HEATING & AIR CONDITIONING
TABLE OF CONTENTS
page page
HEATING & AIR CONDITIONING
DESCRIPTION............................1
OPERATION.............................3
DIAGNOSIS AND TESTING..................4
A/C COOL DOWN TEST...................4
A/C PERFORMANCE TEST................5
HEATER PERFORMANCE TEST............6SPECIFICATIONS.........................7
CONTROLS - FRONT......................8
CONTROLS - REAR......................30
DISTRIBUTION - FRONT...................41
DISTRIBUTION - REAR....................54
PLUMBING - FRONT......................62
PLUMBING - REAR.......................96
HEATING & AIR
CONDITIONING
DESCRIPTION - SINGLE ZONE
A single zone heating and air conditioning system
allows one temperature setting for the entire vehicle.
The full range of temperatures that the system can
produce are available by rotating the temperature
control located in control panel.
The control panel and integral computer is
mounted in the instrument panel.
DESCRIPTION - DUAL ZONE
A manual Dual Zone Heating and Air Conditioning
system allows completely independent side-to-side
tempeture control of the discharge air.
The Dual Zone Heating and Air Conditioning sys-
tem includes a dust and odor air filter. The filter ele-
ment is the same size as the air conditioning
evaporator to ensure ample capacity. A door at the
base of the heating and air conditioning housing
below the glove box provides easy access to the filter
element.
The control panel and integral computer is located
in the instrument panel.
The instrument panel mounted control and inte-
gral computer contains:
²a power button which allows the system to be
completely turned off. Contains an LED that illumi-
nates to show when the function is operational.
²rear window defogger on/off switch. Contains an
LED that illuminates to show when the function is
operational.
²slide controls for completely independent side-to-
side temperature control of the discharged air. The
full range of temperature that the system can pro-
duce in any mode is available on either side of the
vehicle by independently positioning the slide con-
trols on the instrument panel.²air recirculation on/off switch. The Recirculate
button contains an LED that illuminates to show
when the function is in operation.
²air conditioning on/off switch. The Snowflake
button contains an LED that illuminates to shown
when the function is in operation.
²rotary knob for fan speed selection.
²a rotary knob for mode control.
DESCRIPTION - MANUAL THREE ZONE
The fully adjustable Three-Zone front and rear
heating and air conditioning system allows interme-
diate seat passengers the ability to regulate air tem-
perature as well as fan speed. All controls are
identified by ISO graphic symbols.
The Three Zone Heating and Air Conditioning sys-
tem includes a dust and odor air filter. The filter ele-
ment is the same size as the air conditioning
evaporator to ensure ample capacity. A door at the
base of the heating and air conditioning housing
below the glove box provides easy access to the filter
element.
FRONT CONTROL PANEL
The front control panel and integral computer is
mounted in the instrument panel.
The instrument panel mounted control and inte-
gral computer contains:
²a power button which allows the system to be
completely turned off.
²rear window defogger on/off switch.
²slide controls for completely independent side-to-
side temperature control of the discharge air. The full
range of temperature that the system can produce in
any mode is available on either side of the vehicle by
independently positioning the slide controls on the
instrument panel.
²air recirculation button. The Recirculate button
contains an LED that illuminates to show when the
function is in operation.
RSHEATING & AIR CONDITIONING24-1
Page 3632 of 4284
²an air conditioning button that allows the com-
pressor to be turned on/off. The Snowflake button
contains an LED that illuminates to shown when the
function is in operation.
²rotary knobs for front and rear fan speed selec-
tion.
²a rotary knob for mode control.
REAR CONTROL PANEL
A rear control panel centrally mounted on the
headliner has a rotary adjustment for temperature
and fan speed control of the rear unit by intermedi-
ate seat passengers when the front control rear knob
is set to the rear position.
DESCRIPTION - THREE ZONE Automatic
Temperature Control
The Three-Zone Automatic Temperature Control
(ATC) allows occupants to select a comfort tempera-
ture, which is the perceived temperature level not
the actual passenger compartment air temperature.
The Three Zone Automatic Temperature Control
system includes a dust and odor air filter. The filter
element is the same size as the air conditioning evap-
orator to ensure ample capacity. A door at the base of
the heater and air conditioning housing below the
glove box provides easy access to the filter element.
The ATC computer utilizes integrated circuitry and
information carried on the Programmable Communi-
cations Interface (PCI) data bus network to monitor
many sensors and switch inputs throughout the vehi-
cle. In response to those inputs, the internal circuitry
and programming of the ATC computer allow it to
control electronic functions and features of the ATC
system. The inputs to the ATC computer are:
²Vehicle Speed/Engine RPM± The ATC com-
puter monitors engine RPM, vehicle speed and Man-
ifold Absolute Pressure information from the PCM.
²Coolant Temperature± ATC computer moni-
tors Coolant temperature received from the PCM and
converts it to degrees Fahrenheit.
²Ambient Temperature± ATC computer moni-
tors Ambient temperature from the Compass Mini
Trip Computer (CMTC) and converts it to degrees
Fahrenheit.
²Engine Miscellaneous Sensor Status±ATC
computer monitors A/C disable information from the
PCM.
²Refrigerant Pressure± ATC computer moni-
tors Barometric Pressure, Intake Air Temperature,
High Side Pressure and Methanol Content as broad-
cast by the PCM.
²Door Ajar Status± The ATC computer moni-
tors Driver Front Door, Passenger Front Door, Left
Rear Door, Right Rear Door and Liftgate ajar infor-
mation, as identified by the Body Control Module(BCM), to determine if all in-car temperatures should
be maintained.
²Dimming± The ATC computer monitors dim-
ming status from the BCM to determine the required
level of brightness and will dim accordingly.
²Vehicle Odometer± The ATC computer moni-
tors the vehicle odometer information from the BCM
to prevent flashing the VF tube icons if the manual
motor calibration or manual cooldown tests have
failed. Flashing of the display icons will cease when
the vehicle odometer is greater than 3 miles.
²English Metric± The ATC computer monitors
the English/Metric information broadcast by the
CMTC. The set temp displays for both the front and
rear control heads will be set accordingly.
²Vehicle Identification Number± The ATC
computer monitors the last eight characters of the
VIN broadcast by the PCM and compares it to the
information stored in EEPROM. If it is different, the
new number will be stored over the old one and a
motor calibration shall be initiated.
²A/C System Information± The ATC computer
will send a message for Evaporator Temperature too
Low, Fan Blower Relay status, Evaporator Sensor
Failure, Rear Window Defogger Relay and A/C Select.
FRONT CONTROL PANEL
The front control panel and integral computer is
mounted in the instrument panel.
The instrument panel mounted control and inte-
gral computer contains:
²A power button which allows the system to be
completely turned off. The display is blank when the
system is off.
²Three rocker switches that select comfort tem-
peratures from 15É to 30É C (59É to 85É F), which are
shown in the vacuum-fluorescent digital control dis-
play. If the set temp is 59 and the down button is
pressed, the set temp value will become 55 but the
display will show LO. If the set temp is 85 and the
up button is pressed, the set temp value will become
90 but the display will show HIGH. Temperatures
can be displayed in either metric or fahrenheit,
which is controlled from the overhead console.
²A rocker switch that selects a cool-down rate.
LO-AUTO or HI-AUTO are displayed when the sys-
tem is in automatic operation.
²A defroster button which turns on the defroster
independently during full automatic control. A
defroster symbol illuminates in the display when the
button is pressed.
²Air recirculation button. A Recirculation symbol
appears in the display when the button is pressed, or
when the system exceeds 80 percent circulated air
under automatic control due to high air conditioning
demand.
24 - 2 HEATING & AIR CONDITIONINGRS
HEATING & AIR CONDITIONING (Continued)