ECU CHRYSLER CARAVAN 2002 Service Manual

(8) Install stop bumper (Refer to 23 - BODY/
DOORS - SLIDING/STOP BUMPER - INSTALLA-
TION).
OUTSIDE HANDLE
REMOVAL
(1) Remove sliding door trim panel. (Refer to 23 -
BODY/DOORS - SLIDING/TRIM PANEL -
REMOVAL)
(2) Remove sliding door stop bumper. (Refer to 23 -
BODY/DOORS - SLIDING/STOP BUMPER -
REMOVAL)
(3) Peel watershield away from adhesive around
perimeter of inner door panel as necessary to access
outside release handle fasteners.
(4) Disengage clip attaching outside door handle
linkage to door cable.
(5) Remove linkage from outside door handle.
(6) Remove three nuts attaching outside door han-
dle to outer door panel (Fig. 22).
(7) Remove outside door handle from vehicle.
INSTALLATION
(1) Position outside door handle on vehicle.
(2) Install nuts attaching outside door handle to
outer door panel.
(3) Engage clip attaching linkage to outside door
handle.
(4) Engage rigging cam to latch/lock control mech-
anism.
(5) Move clip on latch/lock control to bottom of slot
and engage linkage to latch/lock control.
(6) Verify sliding door operation. Adjust as neces-
sary.
(7) Place the watershield into position and press
securely to adhesive making sure to properly route
wiring and linkages.
(8) Install sliding door stop bumper. (Refer to 23 -
BODY/DOORS - SLIDING/STOP BUMPER -
INSTALLATION)
(9) Install sliding door trim panel. (Refer to 23 -
BODY/DOORS - SLIDING/TRIM PANEL - INSTAL-
LATION)
Fig. 21 BELLCRANK
1 - LOCK LINK
2 - LATCH LINK
3 - LINK AND SLEEVE - OUTSIDE HANDLE
4 - BELLCRANK
5 - KEY CYLINDER LINK
Fig. 22 SLIDING DOOR OUTSIDE LATCH RELEASE
HANDLE
1 - OUTSIDE DOOR PANEL
2 - LOCK LINK
3 - LATCH LINK
4 - LOCKING LINK AND SLEEVE LINK
5 - BELLCRANK
6 - KEY CYLINDER LOCK LINK
7 - KEY CYLINDER
RSDOORS - SLIDING23-35
BELLCRANK (Continued)
ProCarManuals.com

INSTALLATION
NOTE: For power sliding door procedures refer to
POWER SLIDING DOOR SYSTEM in the ELECTRI-
CAL section.
(1) Match the replacement cable up against the old
cable to verify the correct part.
(2) Position the outside handle cable on the side
door.
(3) Connect the outside handle cable on the handle
assembly. Hook the swedged cable end on the handle
link and gently push the cable sleeve retainer in the
handle bracket.
NOTE: The outside handle cable is marked with red
tape. It must be attached to the latch at the lowest
point. This is marked with a ªRº on the latch.
(4) Connect the outside handle cable on the latch
assembly. Hook the swedged cable end on the latch
link and gently push the cable sleeve retainer in the
latch bracket.
(5) Trace the outside handle cable along its routing
path and install on its retaining clips and position
foam insulators. Use previously made schematic as a
guide or remove the opposite side door trim panel
and use that door as a guide.
CAUTION: Be certain replacement cable is routed
and retained correctly and foam insulators are
properly positioned.
(6) Place the watershield into position and press
securely to adhesive making sure to properly route
wiring and linkages.
(7) Install the appropriate side door trim panel on
the vehicle. (Refer to 23 - BODY/DOORS - SLIDING/
TRIM PANEL - INSTALLATION)
(8) Install stop bumper (Refer to 23 - BODY/
DOORS - SLIDING/STOP BUMPER - INSTALLA-
TION).
(9) Connect the negative battery cable.
INSIDE HANDLE CABLE
REMOVAL
NOTE: For power sliding door procedures refer to
POWER SLIDING DOOR SYSTEM in the ELECTRI-
CAL section.
(1) Disconnect and isolate the negative battery
cable.(2) Remove the appropriate side door trim panel
from the vehicle. (Refer to 23 - BODY/DOORS -
SLIDING/TRIM PANEL - REMOVAL)
(3) Peel watershield away from adhesive around
perimeter of inner door panel.
(4) Remove the inside handle assembly from the
side door. (Refer to 23 - BODY/DOORS - SLIDING/
INSIDE LATCH HANDLE - REMOVAL)
(5) Disconnect the inside handle cable from the
handle assembly. Gently pry cable sleeve retainer out
of the handle bracket and then unhook swedged
cable end from the handle link.
(6) Open the side door and remove the latch
assembly. Refer to the Power Side Doors section for
the procedure.
CAUTION: Make note of cable routing and foam
insulator placement. This will prove helpful when
reinstalling replacement cable. Be certain replace-
ment cable is routed and retained correctly.
(7) Trace the inside handle cable along its routing
path and disconnect from its retaining clips.
(8) Disconnect the inside handle cable from the
latch assembly. Gently pry cable sleeve retainer out
of the latch mounting bracket and then unhook
swedged cable end from the latch link.
(9) Remove the inside handle cable from the side
door.
INSTALLATION
NOTE: For power sliding door procedures refer to
POWER SLIDING DOOR SYSTEM in the ELECTRI-
CAL section.
(1) Match the replacement cable up against the old
cable to verify the correct part.
(2) Position the inside handle cable on the side
door.
(3) Connect the inside handle cable on the handle
assembly. Hook the swedged cable end on the handle
link and gently push the cable sleeve retainer in the
handle bracket.
(4) Install the inside handle assembly on the side
door. (Refer to 23 - BODY/DOORS - SLIDING/IN-
SIDE LATCH HANDLE - INSTALLATION)
NOTE: The inside handle cable is marked with blue
tape and must be attached to the latch at the center
(just above the lower cable). This position is
marked with a ªBº on the latch.
(5) Connect the inside handle cable on the latch
assembly. Hook the swedged cable end on the latch
link and gently push the cable sleeve retainer in the
latch bracket.
RSDOORS - SLIDING23-37
OUTSIDE HANDLE CABLE (Continued)
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(6) Trace the inside handle cable along its routing
path and install on its retaining clips and position
foam insulators. Use previously made schematic as a
guide or remove the opposite side door trim panel
and use that door as a guide.
CAUTION: Be certain replacement cable is routed
and retained correctly and foam insulators are
properly positioned.
(7) Install the latch assembly. Refer to the Power
Side Doors section for the procedure.
(8) Place the watershield into position and press
securely to adhesive making sure to properly route
wiring and linkages.
(9) Install the appropriate side door trim panel on
the vehicle. (Refer to 23 - BODY/DOORS - SLIDING/
TRIM PANEL - INSTALLATION)
(10) Connect the negative battery cable.
HOLD OPEN LATCH CABLE
REMOVAL
NOTE: For power sliding door procedures refer to
POWER SLIDING DOOR SYSTEM in the ELECTRI-
CAL section.
(1) Disconnect and isolate the negative battery
cable.
(2) Remove the appropriate side door trim panel
from the vehicle. (Refer to 23 - BODY/DOORS -
SLIDING/TRIM PANEL - REMOVAL)
(3) Peel watershield away from adhesive around
perimeter of inner door panel.
(4) Open the side door and remove the latch
assembly. (Refer to 8 - ELECTRICAL/POWER
DOORS/LATCH - REMOVAL)
CAUTION: Make note of cable routing and foam
insulator placement. This will prove helpful when
reinstalling replacement cable. Be certain replace-
ment cable is routed and retained correctly.
(5) Trace the hold open latch cable along its rout-
ing path and disconnect from its retaining clips.
(6) Disconnect the hold open latch cable from the
latch assembly. Gently pry cable sleeve retainer out
of the latch mounting bracket and then unhook
swedged cable end from the latch link.
(7) Remove the hold open latch from the side door.
(Refer to 23 - BODY/DOORS - SLIDING/HOLD
OPEN LATCH - REMOVAL)
(8) Disconnect the hold open latch cable from the
hold open latch. Gently pry cable sleeve retainer outof the handle bracket and then unhook swedged
cable end from the latch link.
(9) Remove the hold open latch cable from the side
door.
INSTALLATION
NOTE: For power sliding door procedures refer to
POWER SLIDING DOOR SYSTEM in the ELECTRI-
CAL section.
(1) Match the replacement cable up against the old
cable to verify the correct part.
(2) Position the hold open latch cable on the side
door.
NOTE: The hold open latch cable is marked with
white tape. It must be attached to the upper most
cable attachment at the latch. This position is
marked with a ªWº on the latch.
(3) Connect the hold open latch cable on the hold
open latch assembly. Hook the swedged cable end on
the latch link and gently push the cable sleeve
retainer in the latch bracket.
(4) Install the hold open latch on the side door.(Re-
fer to 23 - BODY/DOORS - SLIDING/HOLD OPEN
LATCH - INSTALLATION)
(5) Connect the hold open latch cable on the latch
assembly. Hook the swedged cable end on the latch
link and gently push the cable sleeve retainer in the
latch bracket.
(6) Trace the outside handle cable along its routing
path and install on its retaining clips and position
foam insulators. Use previously made schematic as a
guide or remove the opposite side door trim panel
and use that door as a guide.
CAUTION: Be certain replacement cable is routed
and retained correctly and foam insulators are
properly positioned.
(7) Install the latch assembly. (Refer to 8 - ELEC-
TRICAL/POWER DOORS/LATCH - INSTALLATION)
(8) Place the watershield into position and press
securely to adhesive making sure to properly route
wiring and linkages.
(9) Install the appropriate side door trim panel on
the vehicle. (Refer to 23 - BODY/DOORS - SLIDING/
TRIM PANEL - INSTALLATION)
(10) Connect the negative battery cable.
23 - 38 DOORS - SLIDINGRS
INSIDE HANDLE CABLE (Continued)
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COWL GRILLE
REMOVAL
(1) Remove wiper arms. (Refer to 8 - ELECTRI-
CAL/WIPERS/WASHERS/WIPER ARMS -
REMOVAL)
(2) Remove four (4) screws securing cowl cover to
wiper module (Fig. 6).
(3) Disengage quarter turn fasteners at outboard
ends of cowl grill from body.
(4) Release hood latch and open hood.
CAUTION: To prevent hood scratching of cowl grille
before removal, cover outboard exterior ends of
cowl grille with masking tape or equivalent method.
NOTE: Do not over bend cowl grille during removal.
Bend cowl grille just enough to clear top of wiper
pivot shaft and bottom rear corner of hood.
(5) Remove cowl grill by raising above driver side
wiper pivot shaft and swinging away towards engine
compartment. The cowl grille will need to be bent on
outboard end to clear simultaneously top of wiper
pivot shaft and bottom corner of hood.
(6) Close hood. Do not latch. Remove outboard
screws. (Fig. 7).
(7) Disconnect washer hose in line connector.
(8) Disconnect washer hose and grommet from
hole in wiper module and pull out.
(9) Remove cowl grille by raising over opposite
wiper pivot shaft and removing away from vehicle.
(10) Remove cowl cover from vehicle.
INSTALLATION
(1) Reverse removal procedure.
(2) When installing cowl cover over wiper module,
make sure fore aft locator on the underside of cowl
grill seat into the locator grooves on top of wiper
module.
(3) Star all cowl grille mounting screws by hand
before torquing to specifications.
(4) Assure washer hose is properly routed and not
pinched.
(5) Center cowl grille to body and windshield.
(6) Assure ªarrowº indicator head of quarter turn
fasteners is pointing toward windshield.
(7) Tighten screw to 1.2 N´m (11 in. lbs.) torque.
(8) Install the wiper arms. (Refer to 8 - ELECTRI-
CAL/WIPERS/WASHERS/WIPER ARMS - INSTAL-
LATION)
(9) Check for proper spray pattern from washer
nozzles.
EXTERIOR NAME PLATES -
TAPE ATTACHED
REMOVAL
(1) Mark reference points before removing.
(2) Using a heat gun gently apply heat in a circu-
lar motion to loosen the adhesive bond.
(3) Using a nonmetallic prying device, such as a
plastic or wood trim stick gently pry up at corners
and remove.Fig. 6 COWL COVER
1 - COWL COVER
2 - WIPER PIVOT
3 - WASHER HOSES
4 - HOOD
Fig. 7 COWL COVER RETAINERS
1 - SCREW
2 - WINDSHIELD
3 - COWL COVER
4 - FRONT FENDER
23 - 50 EXTERIORRS
ProCarManuals.com

(4) Clean off all traces of adhesive or double sided
tape from the panel with a general purpose adhesive
remover.
INSTALLATION
(1) Clean panel surface with isopropy alcohol.
(2) Align badgeing to reference points.
(3) Install and press securely to full adhesive con-
tact
(4) Clean away any reference points.
EXTERIOR NAME PLATES -
ADHESIVE ATTACHED
REMOVAL
(1) Mark reference points before removing.
(2) Using a heat gun gently apply heat in a circu-
lar motion to loosen the adhesive bond.
(3) With your fingernail lift up and peel away
badgeing/tape from panel, using a heat gun as you
go.
(4) Clean off all traces of adhesive from the pan-
el(s) with a general purpose adhesive remover.
INSTALLATION
(1) Clean panel surface with isopropy alcohol.
(2) Remove paper carrier and align badgeing/tape
to reference points or adjacent panel.
(3) Install and press securely, using a plastic
spreader to eliminate all air bubbles.
(4) Remove top protective carrier.
(5) Clean away any reference points.
FRONT FENDER
REMOVAL
(1) Remove headlamp housing. (Refer to 8 - ELEC-
TRICAL/LAMPS/LIGHTING - EXTERIOR/HEAD-
LAMP UNIT - REMOVAL)
(2) Remove mud guard.
(3) Remove inner splash shield.
(4) Remove fender to fascia nuts.
(5)
Remove outboard cowl grille/fender bracket screw.
(6) Remove fender bolt to lower rocker panel.
(7) Remove fender bolt to lower cowl.
(8) Pull fascia away from fender.
(9) Remove bolts attaching fender to upper rail.
(10) Remove fender from vehicle (Fig. 8).
INSTALLATION
(1) Place fender in position on vehicle.
(2) From inside engine compartment, start the
center upper rail bolt. install all the bolts attaching
fender to upper rail and tighten.
(3) Install fender to lower cowl panel bolt.
(4) Install fender to rocker panel bolt.
(5) Place fascia into position.
(6) Install outboard cowl grille/fender bracket
screw.
(7) Install fender to fascia nuts.
(8) Install inner splash shield.
(9) Install mud guard.
(10) Install headlamp assembly. (Refer to 8 -
ELECTRICAL/LAMPS/LIGHTING - EXTERIOR/
HEADLAMP UNIT - INSTALLATION)
(11) Check fender for flush and gap.
Fig. 8 FENDER
1 - FASTENERS 2 - FENDER
3 - FASTENERS
RSEXTERIOR23-51
EXTERIOR NAME PLATES - TAPE ATTACHED (Continued)
ProCarManuals.com

HOOD
TABLE OF CONTENTS
page page
HINGE
REMOVAL.............................60
INSTALLATION.........................60
HOOD
REMOVAL.............................60
INSTALLATION.........................61
LATCH
REMOVAL.............................61INSTALLATION.........................61
LATCH RELEASE CABLE
REMOVAL.............................61
INSTALLATION.........................62
LATCH STRIKER
REMOVAL.............................62
INSTALLATION.........................62
HINGE
REMOVAL
(1) Remove Front Wiper Unit (Refer to 8 - ELEC-
TRICAL/WIPERS/WASHERS/WIPER MODULE -
REMOVAL) for procedure.
(2) Raise hood.
(3) Mark all bolt and hinge attachment locations
with a grease pencil or other suitable device to pro-
vide reference marks for installation.
(4) Remove pivot bolt from the body half of hood
hinge and use suitable device to support the hood.
(5) Remove bolts attaching body half of hood hinge
to front fender flange and remove hinge from vehicle
(Fig. 1).
INSTALLATION
(1) If necessary, paint new hinge before installa-
tion.
(2) Place body half of hood hinge in position on
vehicle.
(3) Install bolts attaching hood hinge to front
fender flange. Tighten bolts to 8 N´m (70 in. lbs.)
torque.
(4) Install pivot bolt to the body half of hood hinge.
Tighten bolts to 28 N´m (21 ft. lbs.) torque.
(5) Install Front Wiper Unit (Refer to 8 - ELEC-
TRICAL/WIPERS/WASHERS/WIPER MODULE -
INSTALLATION) for proper procedures.
(6) Align all marks and secure bolts. The hood
should be aligned to 4 mm (0.160 in.) gap to the front
fenders and flush across the top surfaces along fend-
ers. Shims can be added or removed under hood
hinge to achieve proper hood height. Tighten bolts to
13.5 N´m (10 ft. lbs.) torque.Close hood.
HOOD
REMOVAL
(1) Raise hood to full up position.
(2) Mark all bolt and hinge attachment locations
with a grease pencil or other suitable device to pro-
vide reference marks for installation.
(3) Remove the top bolts attaching hood to hinge
and loosen the bottom bolts until they can be
removed by hand (Fig. 2).
(4) With assistance from a helper at the opposite
side of the vehicle to support the hood, remove bot-
tom bolts attaching hood to hinge.
(5) Remove the hood from the vehicle.
Fig. 1 HOOD HINGE
1 - HOOD
2 - HOOD HALF OF HOOD HINGE
3 - HOOD HINGE PIVOT BUSHING
4 - BODY HALF OF HOOD HINGE
5 - FENDER
23 - 60 HOODRS
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STATIONARY GLASS
TABLE OF CONTENTS
page page
WINDSHIELD
DESCRIPTION........................107
WARNING
WINDSHIELD SAFETY PRECAUTIONS....107
REMOVAL............................107
INSTALLATION........................108
SLIDING DOOR GLASS
REMOVAL............................109INSTALLATION........................109
QUARTER WINDOW
REMOVAL............................110
INSTALLATION........................110
REAR DOOR GLASS
REMOVAL............................110
INSTALLATION........................110
WINDSHIELD
DESCRIPTION
The windshield is attached to the window frame
with urethane adhesive. The urethane adhesive is
applied cold and seals the surface area between the
window opening and the glass. The primer adheres
the urethane adhesive to the windshield.
It is difficult to salvage a windshield during the
removal operation. The windshield is part of the
structural support for the roof. The urethane bonding
used to secure the windshield to the fence is difficult
to cut or clean from any surface. If the moldings are
set in urethane, it would also be unlikely they could
be salvaged. Before removing the windshield, check
the availability of the windshield and moldings from
the parts supplier.
WARNING
WINDSHIELD SAFETY PRECAUTIONS
WARNING: DO NOT OPERATE THE VEHICLE
WITHIN 24 HOURS OF WINDSHIELD INSTALLATION.
IT TAKES AT LEAST 24 HOURS FOR URETHANE
ADHESIVE TO CURE. IF IT IS NOT CURED, THE
WINDSHIELD MAY NOT PERFORM PROPERLY IN
AN ACCIDENT.
URETHANE ADHESIVES ARE APPLIED AS A SYS-
TEM. USE GLASS CLEANER, GLASS PREP SOL-
VENT, GLASS PRIMER, PVC (VINYL) PRIMER AND
PINCH WELD (FENCE) PRIMER PROVIDED BY THE
ADHESIVE MANUFACTURER. IF NOT, STRUCTURAL
INTEGRITY COULD BE COMPROMISED.
DAIMLERCHRYSLER DOES NOT RECOMMEND
GLASS ADHESIVE BY BRAND. TECHNICIANS
SHOULD REVIEW PRODUCT LABELS AND TECHNI-
CAL DATA SHEETS, AND USE ONLY ADHESIVESTHAT THEIR MANUFACTURES WARRANT WILL
RESTORE A VEHICLE TO THE REQUIREMENTS OF
FMVSS 212. TECHNICIANS SHOULD ALSO INSURE
THAT PRIMERS AND CLEANERS ARE COMPATIBLE
WITH THE PARTICULAR ADHESIVE USED.
BE SURE TO REFER TO THE URETHANE MANU-
FACTURER'S DIRECTIONS FOR CURING TIME
SPECIFICATIONS, AND DO NOT USE ADHESIVE
AFTER ITS EXPIRATION DATE.
VAPORS THAT ARE EMITTED FROM THE URE-
THANE ADHESIVE OR PRIMER COULD CAUSE
PERSONAL INJURY. USE THEM IN A WELL-VENTI-
LATED AREA.
SKIN CONTACT WITH URETHANE ADHESIVE
SHOULD BE AVOIDED. PERSONAL INJURY MAY
RESULT.
ALWAYS WEAR EYE AND HAND PROTECTION
WHEN WORKING WITH GLASS.
CAUTION: Protect all painted and trimmed surfaces
from coming in contact with urethane or primers.
Be careful not to damage painted surfaces when
removing moldings or cutting urethane around
windshield.
REMOVAL
WINDSHIELD REMOVAL ± EXTERIOR METHOD
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.
(1) Remove inside rear view mirror.
(2) Remove windshield wiper arms.
(3) Remove cowl cover.
RSSTATIONARY GLASS23 - 107
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(3) The calibration procedure should take less than
two minutes to complete for the manual heater-A/C
control, and less than twenty seconds for the ATC
heater-A/C control. When the LEDs or graphics stop
flashing, the calibration procedure is complete.
(4) If the LEDs or graphics continue to flash
beyond the normal three minute (manual) or twenty
second (ATC) calibration time, it indicates that the
heater-A/C control has detected a failure and a Diag-
nostic Trouble Code (DTC) has been set. Use a
DRBIIItscan tool to perform further diagnosis. Refer
to the appropriate diagnostic information. The LEDs
or graphics will continue to flash even after the igni-
tion switch is cycled Off and On, until a successful
calibration is completed or until the vehicle has been
driven about 13 kilometers (8 miles).
REMOVAL
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the center bezel from the instrument
panel. (Refer to 23 - BODY/INSTRUMENT PANEL/
INSTRUMENT PANEL CENTER BEZEL - REMOV-
AL).
(3) Place the instrument panel center bezel unit
face down on a suitable work surface. Take the
proper precautions to protect the center bezel from
cosmetic damage.
(4) If the vehicle is equipped with the optional
Automatic Temperature Control (ATC) system, dis-
connect the infrared sensor jumper harness connector
from the receptacle on the back of the heater-A/C
control (Fig. 1).
(5) Remove the six screws that secure the heater-
A/C control to the back of the instrument panel cen-
ter bezel.
(6) Remove the heater-A/C control from the instru-
ment panel center bezel.
INSTALLATION
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
(1) Position the heater-A/C control onto the back of
instrument panel center bezel.
(2) Install and tighten the six screws that secure
the heater-A/C control to the back of the instrument
panel center bezel. Tighten the screws to 2 N´m (17
in. lbs.).
(3) If the vehicle is equipped with the optional
ATC system, reconnect the infrared sensor jumper
harness connector to the receptacle on the back of
the heater-A/C control.
(4) Reinstall the center bezel onto the instrument
panel. (Refer to 23 - BODY/INSTRUMENT PANEL/
INSTRUMENT PANEL CENTER BEZEL - INSTAL-
LATION).
(5) Reconnect the battery negative cable.
Fig. 1 Heater-A/C Control
1 - INFRARED SENSOR JUMPER CONNECTOR (ATC ONLY)
2 - INFRARED SENSOR JUMPER HARNESS (ATC ONLY)
3 - HEATER-A/C CONTROL
4 - SCREW (6)
5- INSTRUMENT PANEL CENTER BEZEL
RSCONTROLS - FRONT24-9
A/C HEATER CONTROL (Continued)
ProCarManuals.com

REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Disconnect the headlamp and dash wire har-
ness connector for the A/C pressure transducer from
the transducer connector receptacle (Fig. 3).
(3) Using an open end wrench, unscrew the A/C
pressure transducer from the fitting on the liquid
line between the filter-drier and the expansion valve.
(4) Remove the seal from the A/C pressure trans-
ducer fitting and discard.
INSTALLATION
(1) Lubricate a new rubber O-ring seal with clean
refrigerant oil and install it on the A/C pressure
transducer fitting.
(2) Using an open end wrench, install and tighten
the A/C pressure transducer onto the fitting on the
liquid line between the filter-drier and the expansion
valve.
(3) Reconnect the headlamp and dash wire harness
connector for the A/C pressure transducer to the
transducer connector receptacle.
(4) Reconnect the battery negative cable.
BLEND DOOR ACTUATOR
DESCRIPTION
The blend door actuators are reversible, 12-volt
Direct Current (DC), servo motors. Models with the
single zone heater and air conditioner system have a
single blend air door, which is controlled by a singleblend door actuator. Models with the optional dual
zone front heater and air conditioner system have
dual blend air doors, which are controlled by two
blend door actuators. The single zone blend door
actuator is located on the driver side end of the heat-
er-A/C housing unit, close to the dash panel. In the
dual zone system, the same blend door actuator used
for the single zone system becomes the passenger
blend door actuator, and is mechanically connected to
only the passenger side blend air door. In the dual
zone system, a second separate blend door actuator is
also located on the driver side end of the heater-A/C
housing unit close to the instrument panel, and is
mechanically connected to only the driver side blend
air door.
The blend door actuators are interchangeable with
each other, as well as with the actuators for the
mode door and the recirculation air door. Each actua-
tor is contained within an identical black molded
plastic housing with an integral wire connector
receptacle. Two integral mounting tabs allow the
actuator to be secured with two screws to the heater-
A/C unit housing. Each actuator also has an identical
output shaft with splines that connects it to the link-
age that drives the proper blend air door. The blend
door actuators do not require mechanical indexing to
the blend door linkage, as they are electronically cal-
ibrated by the heater-A/C control module. The blend
door actuators cannot be adjusted or repaired and, if
damaged or faulty, they must be replaced.
OPERATION
Each blend door actuator is connected to the heat-
er-A/C control module through the vehicle electrical
system by a dedicated two-wire take out and connec-
tor of the HVAC wire harness. The blend door actua-
tor can move the blend air door in two directions.
When the heater-A/C control module pulls the volt-
age on one side of the motor connection high and the
other connection low, the blend air door will move in
one direction. When the module reverses the polarity
of the voltage to the motor, the blend air door moves
in the opposite direction. When the module makes
the voltage to both connections high or both connec-
tions low, the blend air door stops and will not move.
These same motor connections also provide a feed-
back signal to the heater-A/C control module. This
feedback signal allows the module to monitor the
operation and relative positions of the blend door
actuator and the blend air door. The heater-A/C con-
trol module learns the blend air door stop positions
during the calibration procedure and will store a
Diagnostic Trouble Code (DTC) for any problems it
detects in the blend door actuator circuits. The blend
door actuator can be diagnosed using a DRBIIItscan
tool. Refer to the appropriate diagnostic information.
Fig. 3 A/C Pressure Transducer
1 - RIGHT FRONT STRUT TOWER
2 - CONNECTOR
3 - A/C PRESSURE TRANSDUCER
4 - RIGHT WIPER MODULE DRAIN TUBE
5 - HIGH SIDE SERVICE PORT
6 - LIQUID LINE
RSCONTROLS - FRONT24-11
A/C PRESSURE TRANSDUCER (Continued)
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REMOVAL
The single zone heating and air conditioning sys-
tem is equipped with a single blend door actuator.
The dual zone system has two blend door actuators,
one for the driver side blend air door and one for the
passenger side blend air door. The same service pro-
cedures can be used for each of these actuators.
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the silencer from beneath the driver
side end of the instrument panel. (Refer to 23 -
BODY/INSTRUMENT PANEL/INSTRUMENT
PANEL SILENCER - REMOVAL).
(3) Remove the three screws that secure the heater
core shield to the left end of the HVAC distribution
housing (Fig. 4).(4) Pull the heater core shield rearward far enough
to disengage the two location tabs that position the
front of the shield to the receptacles in the two lower
finger formations of the heater/ air conditioner hous-
ing near the dash panel.
(5) Remove the heater core shield from the distri-
bution housing.
(6) Disconnect the HVAC wire harness connector
for the blend door actuator from the actuator connec-
tor receptacle (Fig. 5).
(7) Remove the two screws that secure the blend
door actuator to the distribution housing.
(8) Remove the blend door actuator from the dis-
tribution housing.
INSTALLATION
(1) Position the blend door actuator onto the heat-
er/air conditioner housing. If necessary, rotate the
actuator slightly to align the splines on the actuator
output shaft with those in the blend air door linkage.
(2) Install and tighten the two screws that secure
the blend door actuator to the distribution housing.
Tighten the screws to 2 N´m (17 in. lbs.).
(3) Reconnect the HVAC wire harness connector
for the blend door actuator to the actuator connector
receptacle.
(4) Position the heater core shield onto the distri-
bution housing. Be certain that the two location tabs
on the front of the shield are engaged in the recepta-
cles in the two lower finger formations of the evapo-
rator housing near the dash panel.
Fig. 4 Heater Core Shield
1 - HEATER/ AIR CONDITIONER HOUSING
2 - HEATER CORE SHIELD
3 - DISTRIBUTION HOUSING
4 - SCREWS (3)
5 - LOCATION TABS (2)
Fig. 5 Blend Door Actuator
1 - CONNECTOR
2 - MODE DOOR ACTUATOR
3 - SCREW (2)
4 - DRIVER BLEND DOOR ACTUATOR (DUAL-ZONE ONLY)
5 - HEATER CORE
6 - BLEND DOOR ACTUATOR (SINGLE ZONE) OR PASSENGER
BLEND DOOR ACTUATOR (DUAL-ZONE)
24 - 12 CONTROLS - FRONTRS
BLEND DOOR ACTUATOR (Continued)
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