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XJ                                                                                                OVERHEAD CONSOLE SYSTEMS                               8V - 1



                               OVERHEAD CONSOLE SYSTEMS
                                                                    CONTENTS

                                                                        page                                                                                 page

GENERAL INFORMATION                                                                  COMPASS DEMAGNETIZING . . . . . . . . .                     ..... 5
  INTRODUCTION . . . . . . . . . . . . . . . . . . .        ..... 1                  COMPASS VARIATION ADJUSTMENT . . .                          ..... 4
DESCRIPTION AND OPERATION                                                           REMOVAL AND INSTALLATION
  COMPASS . . . . . . . . . . . . . . . . . . . . . . . .   .   .   .   .   .   2    AMBIENT TEMPERATURE SENSOR . . . .                          ..... 8
  GARAGE DOOR OPENER STORAGE BIN                            .   .   .   .   .   2    GARAGE DOOR OPENER STORAGE BIN
  READING AND COURTESY LAMP . . . . . .                     .   .   .   .   .   2     DOOR . . . . . . . . . . . . . . . . . . . . . . . . . .   .   .   .   .   .   7
  SUNGLASSES STORAGE BIN . . . . . . . . .                  .   .   .   .   .   3    OVERHEAD CONSOLE . . . . . . . . . . . . . .                .   .   .   .   .   6
  THERMOMETER . . . . . . . . . . . . . . . . . . .         .   .   .   .   .   2    PUSH BUTTON MODULE . . . . . . . . . . . .                  .   .   .   .   .   7
  TRIP COMPUTER . . . . . . . . . . . . . . . . . .         .   .   .   .   .   1    READING AND COURTESY LAMP BULB .                            .   .   .   .   .   7
DIAGNOSIS AND TESTING                                                                SUNGLASSES STORAGE BIN . . . . . . . . .                    .   .   .   .   .   8
  THERMOMETER . . . . . . . . . . . . . . . . . . .         ..... 4                  TRIP COMPUTER, COMPASS, AND
  TRIP COMPUTER, COMPASS, AND                                                         THERMOMETER DISPLAY MODULE . .                             ..... 7
    THERMOMETER DISPLAY MODULE . .                          ..... 3
SERVICE PROCEDURES
  COMPASS CALIBRATION . . . . . . . . . . . .               ..... 5

GENERAL INFORMATION                                                                 DESCRIPTION AND OPERATION
INTRODUCTION                                                                        TRIP COMPUTER
  An overhead console featuring a mini trip com-                                       A mini trip computer is available on this model to
puter, an electronic compass, and an outside ambient                                provide several electronic functions and features. The
temperature thermometer are available factory-in-                                   trip computer contains a central processing unit and
stalled options on this model. The overhead console                                 interfaces with other modules in the vehicle on the
also includes two front-mounted and two rear-                                       Chrysler Collision Detection (CCD) data bus network.
mounted reading and courtesy lamps, a garage door                                      The CCD data bus network allows the sharing of
opener storage bin, and a sunglasses storage bin.                                   sensor information. This helps to reduce wire har-
  On models equipped with the Remote Keyless                                        ness complexity, reduce internal controller hardware,
Entry (RKE) option, the overhead console also houses                                and reduce component sensor current loads. At the
the RKE receiver. Refer to Group 8P - Power Lock                                    same time, this system provides increased reliability,
Systems for more information on this feature.                                       enhanced diagnostics, and allows the addition of
  Following are general descriptions of the major                                   many new feature capabilities.
components used in the overhead console. Refer to                                      Some of the functions and features that the trip
8W-49 - Overhead Console in Group 8W - Wiring                                       computer supports and/or controls, include the fol-
Diagrams for complete circuit descriptions and dia-                                 lowing display options:
grams.                                                                                 • Compass and temperature
                                                                                       • Trip odometer (ODO)
NOTE: This group covers both Left-Hand Drive                                           • Average fuel economy (AVG ECO)
(LHD) and Right-Hand Drive (RHD) versions of this                                      • Instant fuel economy (ECO)
model. Whenever required and feasible, the RHD                                         • Distance to empty (DTE)
versions of affected vehicle components have been                                      • Elapsed time (ET)
constructed as mirror-image of the LHD versions.                                       • Blank display.
While most of the illustrations used in this group                                     Momentarily depressing and releasing the Step
represent only the LHD version, the diagnostic and                                  button when the ignition switch is in the On position
service procedures outlined can generally be                                        will cause the overhead console display to step
applied to either version. Exceptions to this rule                                  sequentially through the listed display options.
have been clearly identified as                                                     Momentarily depressing and releasing the U.S./Met-
                                                                                    ric button toggles the display between U.S. and Met-
                                                                                    ric measurements. For more information on the trip
8V - 2    OVERHEAD CONSOLE SYSTEMS                                                                          XJ
DESCRIPTION AND OPERATION (Continued)
computer features and functions, refer to the owner’s     changed from Fahrenheit to Celsius using the U.S./
manual in the vehicle glove box.                          Metric button, located just rearward of the display
   The push button (Step and U.S./Metric) switch          module. The displayed temperature is not an instant
module in the overhead console is hard-wired to the       reading of conditions, but an average temperature. It
trip computer. The compass flux-gate unit is integral     may take the thermometer display several minutes
to the trip computer, compass, and thermometer dis-       to respond to a major temperature change, such as
play module unit. Data input for all other trip com-      driving out of a heated garage into winter tempera-
puter functions is received through CCD data bus          tures.
messages. The trip computer uses its internal pro-           When the ignition switch is turned to the Off posi-
gramming and all of these inputs to calculate and         tion, the last displayed temperature reading stays in
display the requested data. If the data displayed is      the thermometer unit memory. When the ignition
incorrect, perform the self-diagnostic tests as           switch is turned to the On position again, the ther-
described in this group. If these tests prove inconclu-   mometer will display the memory temperature if the
sive, the use of a DRB scan tool and the proper Diag-     engine coolant temperature is above about 52° C
nostic Procedures manual are recommended for              (125° F). If the engine coolant temperature is below
further testing of the trip computer and the CCD          about 52° C (125° F), the thermometer will display
data bus.                                                 the actual temperature sensed by the ambient tem-
   The trip computer, compass, and thermometer dis-       perature sensor. The thermometer temperature dis-
play module cannot be repaired, and are only avail-       play update interval varies with the vehicle speed.
able for service as a unit. If faulty, the complete          The thermometer function is supported by an
module must be replaced. The push button (Step and        ambient temperature sensor. The sensor is mounted
U.S./Metric) switch module is serviced separately.        outside the passenger compartment near the front
                                                          and center of the vehicle and is hard-wired to the
COMPASS                                                   module. The ambient temperature sensor is available
   The compass will display the direction in which the    as a separate service item.
vehicle is pointed using the eight major compass             The thermometer, compass, and trip computer dis-
headings (Examples: north is N, northeast is NE). It      play module cannot be repaired, and are only avail-
does not display the headings in actual degrees.          able for service as a unit. If faulty or damaged, the
   The self-calibrating compass unit requires no          complete module must be replaced. The push button
adjusting in normal use. The only calibration that        (Step and U.S./Metric) switch module and ambient
may prove necessary is to drive the vehicle in three      temperature sensor are serviced separately.
complete circles, on level ground, in not less than 48
seconds. This will reorient the compass unit to its       READING AND COURTESY LAMP
vehicle.                                                    All reading and courtesy lamps located in the over-
   The compass unit also will compensate for magne-       head console are activated by the door ajar switches.
tism the body of the vehicle may acquire during nor-      When the doors are closed, the lamps can be individ-
mal use. However, avoid placing anything magnetic         ually activated by depressing the corresponding lens.
directly on the roof of the vehicle. Magnetic mounts        When a door is open, depressing the lamp lens
for an antenna, a repair order hat, or a funeral pro-     switches will not turn the lamps off. Refer to Group
cession flag can exceed the compensating ability of       8L - Lamps, for diagnosis of the reading and courtesy
the compass unit if placed on the roof panel. Mag-        lamps.
netic bit drivers used on the fasteners that hold the       The reading and courtesy lamp lens, and bulbs are
assembly to the roof header can also affect compass       available for service replacement. The reading and
operation. If the vehicle roof should become magne-       courtesy lamp holders and switches are only avail-
tized, the demagnetizing and calibration procedures       able as part of the overhead console wire harness. If
found in this group may be required to restore proper     any reading lamp switch is faulty or damaged, the
compass operation.                                        wire harness and all four switches must be replaced.
   The compass, trip computer, and thermometer dis-
play module cannot be repaired, and are only avail-       GARAGE DOOR OPENER STORAGE BIN
able for service as a unit. If faulty, the complete         A compartment in the overhead console is designed
module must be replaced. The push button (Step and        to hold most garage door opener remote control
U.S./Metric) switch module is serviced separately.        transmitters. The transmitter is mounted within the
                                                          compartment with an adhesive-backed hook and loop
THERMOMETER                                               fastener patch.
  The thermometer displays the outside ambient              With the transmitter mounted in the storage bin,
temperature. The temperature display can be               adapter pegs located on the front of the storage bin
XJ                                                                    OVERHEAD CONSOLE SYSTEMS                8V - 3
DESCRIPTION AND OPERATION (Continued)
door are selected and mounted on a post near the           connector and a good ground. There should be conti-
center of the storage bin door. The peg(s) selected        nuity. If OK, go to Step 4. If not OK, repair the open
and/or the post must be long enough to depress the         circuit to ground as required.
button of the transmitter when the garage door                (4) Connect the battery negative cable. Check for
opener storage bin door is depressed. The pegs may         battery voltage at the fused B(+) circuit cavity of the
be stacked, if necessary. Refer to the owner’s manual      overhead console wire harness connector. If OK, go to
in the vehicle glove box for more information.             Step 5. If not OK, repair the open circuit to the junc-
   A transmitter mounting kit including the adhesive-      tion block as required.
backed hook and loop fastener material and a selec-           (5) Turn the ignition switch to the On position.
tion of pegs is available for service. The garage door     Check for battery voltage at the fused ignition switch
opener storage bin door assembly is also available for     output circuit cavity of the overhead console wire
service replacement.                                       harness connector. If OK, proceed to the Self-Diag-
                                                           nostic Test in this group for further diagnosis of the
SUNGLASSES STORAGE BIN                                     module and the CCD data bus. If not OK, repair the
  A sunglasses storage bin is included in the over-        open circuit to the junction block as required.
head console. The interior of the bin is lined with a
foam rubber padding material to protect the sun-           SELF-DIAGNOSTIC TEST
glasses from being scratched. This bin features a             A self-diagnostic test is used to determine that the
push/push-type latching mechanism, and a viscous           trip computer, compass, thermometer, and all of the
dampening system for a fluid opening action.               display module segments are operating properly elec-
  The sunglasses storage bin door, latch, viscous          trically. Initiate the self-diagnostic test as follows:
damper, hinge spring and housing are available for            (1) With the ignition switch in the Off position,
service only as a complete module. If any part of this     simultaneously press and hold the Step button and
unit is faulty or damaged, the entire module must be       the U.S./Metric button.
replaced.                                                     (2) Turn the ignition switch to the On position.
                                                              (3) Continue to hold both buttons until the display
                                                           module performs a display segment test. In this test,
DIAGNOSIS AND TESTING                                      all of the vacuum fluorescent display segments are
                                                           lighted. This test will:
TRIP COMPUTER, COMPASS, AND                                   a. Verify that all display segments are functional
THERMOMETER DISPLAY MODULE                                    b. Check the internal circuitry of the module
  If the problem with the trip computer, compass,             c. Check that all of the CCD data bus messages
and thermometer display module is an inaccurate or         needed are being received.
scrambled display, use the Self-Diagnostic Test proce-        (4) Respond to the respective test results as fol-
dures. If the problem is incorrect display lighting lev-   lows. If all tests are passed, the module will automat-
els, use a DRB scan tool and the proper Diagnostic         ically return to normal operation.
Procedures manual to test for the correct dimming             d. In the display segment test, if any segment
message inputs being received from the instrument          should fail to light the unit is faulty and must be
cluster over the Chrysler Collision Detection (CCD)        replaced.
data bus. If the problem is a no-display condition,           e. If the internal circuitry test is failed, the module
use the following procedures. For circuit descriptions     will display “FAIL”. If “FAIL” is displayed, the unit is
and diagrams, refer to 8W-49 - Overhead Console in         faulty and must be replaced.
Group 8W - Wiring Diagrams.                                   f. If the CCD data bus message test is failed, the
  (1) Check the fuses in the junction block and the        module will display “CCD”. If “CCD” is displayed, the
Power Distribution Center (PDC). If OK, go to Step         use of a DRB scan tool and the proper Diagnostic
2. If not OK, repair the shorted circuit or component      Procedures manual are required for further diagno-
as required and replace the faulty fuse(s).                sis.
  (2) Turn the ignition switch to the On position.            (5) Momentarily depress and release either button
Check for battery voltage at the fused ignition switch     one time to exit the self-diagnostic test mode and
output fuse in the junction block. If OK, go to Step 3.    return the trip computer, compass, and thermometer
If not OK, repair the open circuit to the ignition         display module to normal operation.
switch as required.
  (3) Turn the ignition switch to the Off position.
Disconnect and isolate the battery negative cable.
Remove the overhead console as described in this
group. Check for continuity between the ground cir-
cuit cavities of the overhead console wire harness
8V - 4    OVERHEAD CONSOLE SYSTEMS                                                                            XJ
DIAGNOSIS AND TESTING (Continued)
NOTE: If the compass functions, but accuracy is            Unplug the ambient temperature sensor wire har-
suspect, it may be necessary to perform a variation        ness connector and the overhead console wire har-
adjustment. This procedure allows the compass              ness connector.
unit to accommodate variations in the earth’s mag-            (2) Connect a jumper wire between the two termi-
netic field strength, based on geographic location.        nals in the body half of the sensor wire harness con-
See the Compass Variation Adjustment procedures,           nector.
in this group.                                                (3) Check for continuity between the sensor return
                                                           circuit and the ambient temperature sensor signal
                                                           circuit cavities of the overhead console wire harness
NOTE: If the compass reading has blanked out, and          connector. There should be continuity. If OK, go to
only “CAL” appears in the display module, demag-           Step 4. If not OK, repair the open circuit as required.
netizing may be necessary to remove excessive                 (4) Remove the jumper wire from the ambient tem-
residual magnetic fields from the vehicle. See the         perature sensor wire harness connector. Check for
Compass Demagnetizing procedure, in this group.            continuity between the sensor return circuit cavity of
                                                           the overhead console wire harness connector and a
                                                           good ground. There should be no continuity. If OK, go
THERMOMETER
                                                           to Step 5. If not OK, repair the short circuit as
   The thermometer function is supported by a ambi-
                                                           required.
ent temperature sensor, a wiring circuit, and a por-
                                                              (5) Check for continuity between the ambient tem-
tion of the overhead console trip computer, compass,
                                                           perature sensor signal circuit cavity of the overhead
and thermometer display module display. The sensor
                                                           console wire harness connector and a good ground.
is mounted outside the passenger compartment near
                                                           There should be no continuity. If OK, see the Trip
the front and center of the vehicle.
                                                           Computer, Compass, and Thermometer Display Mod-
   If any portion of the ambient temperature sensor
                                                           ule diagnosis in this group. If not OK, repair the
circuit fails, the thermometer display will self-diag-
                                                           short circuit as required.
nose the circuit. An “SC” (short circuit) will appear in
the display in place of the temperature, when the
sensor is exposed to temperatures above 55° C (131°        SERVICE PROCEDURES
F), or if the sensor circuit is shorted. An “OC” (open
circuit) will appear in the display in place of the tem-   COMPASS VARIATION ADJUSTMENT
perature, when the sensor is exposed to temperatures         Variance is the difference between magnetic north
below -40° C (-40° F), or if the sensor circuit is open.   and geographic north. In some geographic locations,
   The ambient temperature sensor circuit can also be      the difference between magnetic and geographic
diagnosed using the following Sensor Test, and Sen-        north is great enough to cause the compass to give
sor Circuit Test. If the temperature sensor and cir-       false readings. If this problem occurs, the compass
cuit are confirmed to be OK, but the temperature           variance must be set.
display is inoperative or incorrect, see the Trip Com-       To set the compass variance:
puter, Compass, and Thermometer Display Module               (1) Using the Variance Settings map, find your
diagnosis in this group. For circuit descriptions and      geographic location and note the zone number (Fig.
diagrams, refer to 8W-49 - Overhead Console in             1).
Group 8W - Wiring Diagrams.                                  (2) Turn the ignition switch to the On position. If
                                                           the compass/temperature data is not currently being
SENSOR TEST                                                displayed, momentarily depress and release the Step
  (1) Turn the ignition switch to the Off position.        button to step through the display options until you
Disconnect and isolate the battery negative cable.         have reached the compass/temperature display.
Unplug the temperature sensor wire harness connec-           (3) Depress both the U.S./Metric, and the Step but-
tor.                                                       tons. Hold the buttons down until “VAR” appears in
  (2) Measure the resistance of the temperature sen-       the display. This takes about five seconds.
sor. At -40° C (-40° F), the sensor resistance is 336        (4) Release both of the buttons. The current vari-
kilohms. At 55° C (131° F), the sensor resistance is       ance zone number setting will appear in the display.
2.986 kilohms. The sensor resistance should read             (5) Press and release the U.S./Metric button to
between these two values. If OK, go to the Sensor          step through the zone numbers, until the zone num-
Circuit Test. If not OK, replace the faulty sensor.        ber for your geographic location appears in the dis-
                                                           play.
SENSOR CIRCUIT TEST
                                                             (6) Press the Step button to enter this zone num-
  (1) Turn the ignition switch to the Off position.
                                                           ber into the compass unit memory.
Disconnect and isolate the battery negative cable.
XJ                                                                    OVERHEAD CONSOLE SYSTEMS          8V - 5
SERVICE PROCEDURES (Continued)




                                           Fig. 1 Variance Settings
  (7) Confirm that the correct directions are now           (2) Depress both the U.S./Metric, and the Step but-
indicated by the compass.                                tons. Hold the buttons down until “CAL” appears in
                                                         the display. This takes about ten seconds, and
COMPASS CALIBRATION                                      appears about five seconds after “VAR” is displayed.
                                                            (3) Release both of the buttons.
CAUTION: Do not place any external magnets, such            (4) Drive the vehicle on a level surface, away from
as magnetic roof mount antennas, in the vicinity of      large metal objects, through three or more complete
the compass. Do not use magnetic tools when ser-         circles in not less than 48 seconds. The “CAL” mes-
vicing the overhead console.                             sage will disappear from the display to indicate that
                                                         the compass is now calibrated.
  The electronic compass unit features a self-cali-
brating design, which simplifies the calibration pro-    NOTE: If the “CAL” message remains in the dis-
cedure. This feature automatically updates the           play, either there is excessive magnetism near the
compass calibration while the vehicle is being driven.   compass, or the unit is faulty. Repeat the demagne-
This allows the compass unit to compensate for small     tizing and calibration procedures at least one more
changes in the residual magnetism that the vehicle       time.
may acquire during normal use. Do not attempt to
calibrate the compass near large metal objects such
as other vehicles, large buildings, or bridges.          NOTE: If the wrong direction is still indicated in the
                                                         compass display, the area selected for calibration
NOTE: Whenever the compass is calibrated manu-           may be too close to a strong magnetic field. Repeat
ally, the variation number must also be reset. See       the calibration procedure in another location.
the Compass Variation Adjustment procedure, in
this group.
                                                         COMPASS DEMAGNETIZING
  Calibrate the compass manually as follows:               A degaussing tool (Special Tool 6029) is used to
  (1) Start the engine. If the compass/temperature       demagnetize, or degauss, the overhead console for-
data is not currently being displayed, momentarily       ward mounting screw(s) and the roof panel. Equiva-
depress and release the Step button to step through      lent units must be rated as continuous duty for 110/
the display options until you have reached the com-      115 volts and 60 Hz. They must also have a field
pass/temperature display.
H
         R      AT LEAST TWO FEET AND TOOL AWAY H
                 PULL TIP OF DISCONNECT
                    WINDSHIELD EDGE
                             DEGAUSSING     1/2Љ START
                                                   L          SCREW       HEADLINER
                                                                                SCREW
                                                                                 FWD          OVERHEAD CONSOLE ING TAB
                                                                                                        REAR BRACKET
                                                                                                           REARMOUNT-



8V - 6    OVERHEAD CONSOLE SYSTEMS                                                                                XJ
SERVICE PROCEDURES (Continued)
strength of over 350 gauss at 7 millimeters (0.25              (7) Plug in the degaussing tool, while keeping the
inch) beyond the tip of the probe.                          tool at least 61 centimeters (2 feet) away from the
   To demagnetize the roof panel and the overhead           compass unit.
console forward mounting screw(s), proceed as fol-             (8) Slowly approach the center line of the roof
lows:                                                       panel at the windshield header, with the degaussing
   (1) Be certain the ignition switch is in the Off posi-   tool plugged in.
tion, before you begin the demagnetizing procedure.            (9) Contact the roof panel with the plastic coated
   (2) Plug in the degaussing tool, while keeping the       tip of the degaussing tool. Be sure the template is in
tool at least 61 centimeters (2 feet) away from the         place to avoid scratching the roof panel. Using a
compass unit.                                               slow, back-and-forth sweeping motion, and allowing
   (3) Slowly approach the head of the overhead con-        13 millimeters (0.50 inch) between passes, move the
sole forward mounting screw with the degaussing             tool at least 11 centimeters (4 inches) to each side of
tool plugged in.                                            the roof center line, and 28 centimeters (11 inches)
   (4) Contact the head of each screw with the plastic      back from the windshield header.
coated tip of the degaussing tool for about two sec-           (10) With the degaussing tool still energized,
onds.                                                       slowly back it away from the roof panel. When the
   (5) With the degaussing tool still energized, slowly     tip of the tool is at least 61 centimeters (2 feet) from
back it away from the screw. When the tip of the tool       the roof panel, unplug the tool.
is at least 61 centimeters (2 feet) from the screw             (11) Calibrate the compass and adjust the compass
head, unplug the tool.                                      variance as described in this group.
   (6) Place a piece of paper approximately 22 by 28
centimeters (8.5 by 11 inches), oriented on the vehicle
lengthwise from front to rear, on the center line of        REMOVAL AND INSTALLATION
the roof at the windshield header (Fig. 2). The pur-
pose of the paper is to protect the roof panel from         OVERHEAD CONSOLE
scratches, and to define the area to be demagnetized.         (1) Disconnect and isolate the battery negative
                                                            cable.
                                                              (2) Remove the two screws located forward of the
                                                            display module that secure the overhead console to
                                                            the upper windshield opening reinforcement (Fig. 3).




                                                                  Fig. 3 Overhead Console Remove/Install
                                                              (3) To release the overhead console from the rear
                                                            mounting bracket, use your fingertips to gently pull
                                                            the sides of the overhead console housing outward
                                                            near the rear mounting bracket.
                                                              (4) Move the overhead console forward to disen-
         Fig. 2 Roof Demagnetizing Pattern                  gage the rear mounting tab from the headliner.
PASS AND THERMOME-
  TRIP COMPUTER, COM-
   TER DISPLAY MODULE
                  OVERHEAD CONSOLE OVERHEAD MODULE
                        HARNESS PUSH WIRE CONNECTOR
                          MOUNTING SCREWS
                             MOUNTING BUTTON
                                CONNECTOR
                                       PINS     CONSOLE
                                                 HOUSING                  PUSH   MODULE
                                                                                 BUTTON
                                                                                 MOUNTING SCREWS



XJ                                                                   OVERHEAD CONSOLE SYSTEMS             8V - 7
REMOVAL AND INSTALLATION (Continued)
  (5) Lower the overhead console far enough to               (6) Remove the trip computer, compass, and ther-
access the two wire harness connectors.                    mometer display module from the overhead console
  (6) Unplug one wire harness connector near the           housing.
push button module towards the front of the over-            (7) Reverse the removal procedures to install.
head console.                                              Tighten the mounting screws to 2.2 N·m (20 in. lbs.).
  (7) Unplug one wire harness connector from the
Remote Keyless Entry (RKE) receiver near the center        PUSH BUTTON MODULE
of the overhead console.                                     (1) Remove the overhead console as described in
  (8) Remove the overhead console from the vehicle.        this group.
  (9) Reverse the removal procedures to install.             (2) Unplug the push button module wire harness
Tighten the overhead console mounting screws to 2.7        connector from the trip computer, compass, and ther-
N·m (24 in. lbs.).                                         mometer display module.
                                                             (3) Remove the four screws that secure the push
TRIP COMPUTER, COMPASS, AND                                button module to the overhead console housing (Fig.
THERMOMETER DISPLAY MODULE                                 5).
  (1) Remove the overhead console as described in
this group.
  (2) Remove the two screws that secure the forward
end of the trip computer, compass, and thermometer
display module to the overhead console housing (Fig.
4).




                                                                Fig. 5 Push Button Module Remove/Install
                                                             (4) Remove the push button module from the over-
                                                           head console.
                                                             (5) Reverse the removal procedures to install.
                                                           Tighten the mounting screws to 2.2 N·m (20 in. lbs.).

                                                           READING AND COURTESY LAMP BULB
                                                             (1) Disconnect and isolate the battery negative
                                                           cable.
                                                             (2) Insert a long, narrow, flat-bladed tool in the
                                                           notch on the edge of the reading and courtesy lamp
                                                           lens.
 Fig. 4 Trip Computer, Compass, and Thermometer              (3) Gently pry the lens downward from the over-
           Display Module Remove/Install                   head console housing and pivot the lens down. It may
  (3) Gently flex the sides of the overhead console        be necessary to move the tool along the edge of the
housing as required to release the trip computer,          lens to free the lens from the console housing.
compass, and thermometer display module mounting             (4) Unsnap the bulb from the bulb holders by pull-
pins.                                                      ing the bulb gently downwards.
  (4) Pull the trip computer, compass, and thermom-          (5) Install a new bulb by aligning its base with the
eter display module away from the overhead console         bulb holders and pushing the bulb firmly into place.
housing far enough to access the two wire harness            (6) Pivot the lens back up into position and press
connectors.                                                upward firmly until it snaps into place.
  (5) Unplug the overhead console and push button            (7) Connect the battery negative cable.
module wire harness connectors from the trip com-            (8) Test the lamp by depressing the lens to check
puter, compass, and thermometer display module.            for proper lamp switching and lighting.

                                                           GARAGE DOOR OPENER STORAGE BIN DOOR
                                                             (1) Open the garage door opener storage bin door.
STORAGE BIN
            SUNGLASSES MOUNTING
                WIRE HARNESS RETAINERS
                MODULE       SCREWS



8V - 8    OVERHEAD CONSOLE SYSTEMS                                                                        XJ
REMOVAL AND INSTALLATION (Continued)
   (2) Using a trim stick or another suitable wide         (4) Remove the sunglasses storage bin module
flat-bladed tool, gently pry between the door pivot      from the overhead console.
pin and the pivot hole on one side of the overhead         (5)HORN CLIPS RADIATOR CROSSMEMBER
                                                               Reverse the removal procedures to install.
                                                                      FWD       WIRE HARNESS
                                                                                       SUPPORT SCREWSENSOR
console housing until the pivot pin clears the pivot     Tighten the mounting screws to 2.2 N·m (20 in. lbs.).
hole.
   (3) Use a gentle twisting action to remove the        AMBIENT TEMPERATURE SENSOR
garage door opener storage bin door from the over-         (1) Disconnect and isolate the battery negative
head console housing.                                    cable.
   (4) To install, insert the pivot pin on one side of     (2) Locate the ambient temperature sensor, below
the door into the pivot hole in the overhead console     the grille and behind the front bumper (Fig. 7).
housing. Gently depress the pivot pin tab on the
other side of the door until it clears the side of the
garage door opener storage bin opening and push the
door into the opening. Guide the door into the open-
ing so that the pivot pin snaps into the pivot hole.

SUNGLASSES STORAGE BIN
  The sunglasses storage bin door and bin, housing,
damper, spring and latch are serviced only as a unit.
Remove the sunglasses storage bin module from the
overhead console as follows:
  (1) Remove the overhead console as described in
this group.
  (2) Disengage the overhead console courtesy lamp
wire harness from the retainers molded into the sun-
glasses storage bin housing.
  (3) Remove the six screws that secure the sun-
glasses storage bin module to the overhead console
housing (Fig. 6).




                                                         Fig. 7 Ambient Temperature Sensor Remove/Install
                                                           (3) Unplug the sensor wire harness connector.
                                                           (4) Remove the screw that secures the ambient
                                                         temperature sensor to the radiator support.
                                                           (5) Remove the ambient temperature sensor.
                                                           (6) Reverse the removal procedures to install.
                                                         Tighten the ambient temperature sensor mounting
  Fig. 6 Sunglasses Storage Bin Module Remove/           screw to 3.4 N·m (30 in lbs.).
                      Install

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  • 1. XJ OVERHEAD CONSOLE SYSTEMS 8V - 1 OVERHEAD CONSOLE SYSTEMS CONTENTS page page GENERAL INFORMATION COMPASS DEMAGNETIZING . . . . . . . . . ..... 5 INTRODUCTION . . . . . . . . . . . . . . . . . . . ..... 1 COMPASS VARIATION ADJUSTMENT . . . ..... 4 DESCRIPTION AND OPERATION REMOVAL AND INSTALLATION COMPASS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 AMBIENT TEMPERATURE SENSOR . . . . ..... 8 GARAGE DOOR OPENER STORAGE BIN . . . . . 2 GARAGE DOOR OPENER STORAGE BIN READING AND COURTESY LAMP . . . . . . . . . . . 2 DOOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 SUNGLASSES STORAGE BIN . . . . . . . . . . . . . . 3 OVERHEAD CONSOLE . . . . . . . . . . . . . . . . . . . 6 THERMOMETER . . . . . . . . . . . . . . . . . . . . . . . . 2 PUSH BUTTON MODULE . . . . . . . . . . . . . . . . . 7 TRIP COMPUTER . . . . . . . . . . . . . . . . . . . . . . . 1 READING AND COURTESY LAMP BULB . . . . . . 7 DIAGNOSIS AND TESTING SUNGLASSES STORAGE BIN . . . . . . . . . . . . . . 8 THERMOMETER . . . . . . . . . . . . . . . . . . . ..... 4 TRIP COMPUTER, COMPASS, AND TRIP COMPUTER, COMPASS, AND THERMOMETER DISPLAY MODULE . . ..... 7 THERMOMETER DISPLAY MODULE . . ..... 3 SERVICE PROCEDURES COMPASS CALIBRATION . . . . . . . . . . . . ..... 5 GENERAL INFORMATION DESCRIPTION AND OPERATION INTRODUCTION TRIP COMPUTER An overhead console featuring a mini trip com- A mini trip computer is available on this model to puter, an electronic compass, and an outside ambient provide several electronic functions and features. The temperature thermometer are available factory-in- trip computer contains a central processing unit and stalled options on this model. The overhead console interfaces with other modules in the vehicle on the also includes two front-mounted and two rear- Chrysler Collision Detection (CCD) data bus network. mounted reading and courtesy lamps, a garage door The CCD data bus network allows the sharing of opener storage bin, and a sunglasses storage bin. sensor information. This helps to reduce wire har- On models equipped with the Remote Keyless ness complexity, reduce internal controller hardware, Entry (RKE) option, the overhead console also houses and reduce component sensor current loads. At the the RKE receiver. Refer to Group 8P - Power Lock same time, this system provides increased reliability, Systems for more information on this feature. enhanced diagnostics, and allows the addition of Following are general descriptions of the major many new feature capabilities. components used in the overhead console. Refer to Some of the functions and features that the trip 8W-49 - Overhead Console in Group 8W - Wiring computer supports and/or controls, include the fol- Diagrams for complete circuit descriptions and dia- lowing display options: grams. • Compass and temperature • Trip odometer (ODO) NOTE: This group covers both Left-Hand Drive • Average fuel economy (AVG ECO) (LHD) and Right-Hand Drive (RHD) versions of this • Instant fuel economy (ECO) model. Whenever required and feasible, the RHD • Distance to empty (DTE) versions of affected vehicle components have been • Elapsed time (ET) constructed as mirror-image of the LHD versions. • Blank display. While most of the illustrations used in this group Momentarily depressing and releasing the Step represent only the LHD version, the diagnostic and button when the ignition switch is in the On position service procedures outlined can generally be will cause the overhead console display to step applied to either version. Exceptions to this rule sequentially through the listed display options. have been clearly identified as Momentarily depressing and releasing the U.S./Met- ric button toggles the display between U.S. and Met- ric measurements. For more information on the trip
  • 2. 8V - 2 OVERHEAD CONSOLE SYSTEMS XJ DESCRIPTION AND OPERATION (Continued) computer features and functions, refer to the owner’s changed from Fahrenheit to Celsius using the U.S./ manual in the vehicle glove box. Metric button, located just rearward of the display The push button (Step and U.S./Metric) switch module. The displayed temperature is not an instant module in the overhead console is hard-wired to the reading of conditions, but an average temperature. It trip computer. The compass flux-gate unit is integral may take the thermometer display several minutes to the trip computer, compass, and thermometer dis- to respond to a major temperature change, such as play module unit. Data input for all other trip com- driving out of a heated garage into winter tempera- puter functions is received through CCD data bus tures. messages. The trip computer uses its internal pro- When the ignition switch is turned to the Off posi- gramming and all of these inputs to calculate and tion, the last displayed temperature reading stays in display the requested data. If the data displayed is the thermometer unit memory. When the ignition incorrect, perform the self-diagnostic tests as switch is turned to the On position again, the ther- described in this group. If these tests prove inconclu- mometer will display the memory temperature if the sive, the use of a DRB scan tool and the proper Diag- engine coolant temperature is above about 52° C nostic Procedures manual are recommended for (125° F). If the engine coolant temperature is below further testing of the trip computer and the CCD about 52° C (125° F), the thermometer will display data bus. the actual temperature sensed by the ambient tem- The trip computer, compass, and thermometer dis- perature sensor. The thermometer temperature dis- play module cannot be repaired, and are only avail- play update interval varies with the vehicle speed. able for service as a unit. If faulty, the complete The thermometer function is supported by an module must be replaced. The push button (Step and ambient temperature sensor. The sensor is mounted U.S./Metric) switch module is serviced separately. outside the passenger compartment near the front and center of the vehicle and is hard-wired to the COMPASS module. The ambient temperature sensor is available The compass will display the direction in which the as a separate service item. vehicle is pointed using the eight major compass The thermometer, compass, and trip computer dis- headings (Examples: north is N, northeast is NE). It play module cannot be repaired, and are only avail- does not display the headings in actual degrees. able for service as a unit. If faulty or damaged, the The self-calibrating compass unit requires no complete module must be replaced. The push button adjusting in normal use. The only calibration that (Step and U.S./Metric) switch module and ambient may prove necessary is to drive the vehicle in three temperature sensor are serviced separately. complete circles, on level ground, in not less than 48 seconds. This will reorient the compass unit to its READING AND COURTESY LAMP vehicle. All reading and courtesy lamps located in the over- The compass unit also will compensate for magne- head console are activated by the door ajar switches. tism the body of the vehicle may acquire during nor- When the doors are closed, the lamps can be individ- mal use. However, avoid placing anything magnetic ually activated by depressing the corresponding lens. directly on the roof of the vehicle. Magnetic mounts When a door is open, depressing the lamp lens for an antenna, a repair order hat, or a funeral pro- switches will not turn the lamps off. Refer to Group cession flag can exceed the compensating ability of 8L - Lamps, for diagnosis of the reading and courtesy the compass unit if placed on the roof panel. Mag- lamps. netic bit drivers used on the fasteners that hold the The reading and courtesy lamp lens, and bulbs are assembly to the roof header can also affect compass available for service replacement. The reading and operation. If the vehicle roof should become magne- courtesy lamp holders and switches are only avail- tized, the demagnetizing and calibration procedures able as part of the overhead console wire harness. If found in this group may be required to restore proper any reading lamp switch is faulty or damaged, the compass operation. wire harness and all four switches must be replaced. The compass, trip computer, and thermometer dis- play module cannot be repaired, and are only avail- GARAGE DOOR OPENER STORAGE BIN able for service as a unit. If faulty, the complete A compartment in the overhead console is designed module must be replaced. The push button (Step and to hold most garage door opener remote control U.S./Metric) switch module is serviced separately. transmitters. The transmitter is mounted within the compartment with an adhesive-backed hook and loop THERMOMETER fastener patch. The thermometer displays the outside ambient With the transmitter mounted in the storage bin, temperature. The temperature display can be adapter pegs located on the front of the storage bin
  • 3. XJ OVERHEAD CONSOLE SYSTEMS 8V - 3 DESCRIPTION AND OPERATION (Continued) door are selected and mounted on a post near the connector and a good ground. There should be conti- center of the storage bin door. The peg(s) selected nuity. If OK, go to Step 4. If not OK, repair the open and/or the post must be long enough to depress the circuit to ground as required. button of the transmitter when the garage door (4) Connect the battery negative cable. Check for opener storage bin door is depressed. The pegs may battery voltage at the fused B(+) circuit cavity of the be stacked, if necessary. Refer to the owner’s manual overhead console wire harness connector. If OK, go to in the vehicle glove box for more information. Step 5. If not OK, repair the open circuit to the junc- A transmitter mounting kit including the adhesive- tion block as required. backed hook and loop fastener material and a selec- (5) Turn the ignition switch to the On position. tion of pegs is available for service. The garage door Check for battery voltage at the fused ignition switch opener storage bin door assembly is also available for output circuit cavity of the overhead console wire service replacement. harness connector. If OK, proceed to the Self-Diag- nostic Test in this group for further diagnosis of the SUNGLASSES STORAGE BIN module and the CCD data bus. If not OK, repair the A sunglasses storage bin is included in the over- open circuit to the junction block as required. head console. The interior of the bin is lined with a foam rubber padding material to protect the sun- SELF-DIAGNOSTIC TEST glasses from being scratched. This bin features a A self-diagnostic test is used to determine that the push/push-type latching mechanism, and a viscous trip computer, compass, thermometer, and all of the dampening system for a fluid opening action. display module segments are operating properly elec- The sunglasses storage bin door, latch, viscous trically. Initiate the self-diagnostic test as follows: damper, hinge spring and housing are available for (1) With the ignition switch in the Off position, service only as a complete module. If any part of this simultaneously press and hold the Step button and unit is faulty or damaged, the entire module must be the U.S./Metric button. replaced. (2) Turn the ignition switch to the On position. (3) Continue to hold both buttons until the display module performs a display segment test. In this test, DIAGNOSIS AND TESTING all of the vacuum fluorescent display segments are lighted. This test will: TRIP COMPUTER, COMPASS, AND a. Verify that all display segments are functional THERMOMETER DISPLAY MODULE b. Check the internal circuitry of the module If the problem with the trip computer, compass, c. Check that all of the CCD data bus messages and thermometer display module is an inaccurate or needed are being received. scrambled display, use the Self-Diagnostic Test proce- (4) Respond to the respective test results as fol- dures. If the problem is incorrect display lighting lev- lows. If all tests are passed, the module will automat- els, use a DRB scan tool and the proper Diagnostic ically return to normal operation. Procedures manual to test for the correct dimming d. In the display segment test, if any segment message inputs being received from the instrument should fail to light the unit is faulty and must be cluster over the Chrysler Collision Detection (CCD) replaced. data bus. If the problem is a no-display condition, e. If the internal circuitry test is failed, the module use the following procedures. For circuit descriptions will display “FAIL”. If “FAIL” is displayed, the unit is and diagrams, refer to 8W-49 - Overhead Console in faulty and must be replaced. Group 8W - Wiring Diagrams. f. If the CCD data bus message test is failed, the (1) Check the fuses in the junction block and the module will display “CCD”. If “CCD” is displayed, the Power Distribution Center (PDC). If OK, go to Step use of a DRB scan tool and the proper Diagnostic 2. If not OK, repair the shorted circuit or component Procedures manual are required for further diagno- as required and replace the faulty fuse(s). sis. (2) Turn the ignition switch to the On position. (5) Momentarily depress and release either button Check for battery voltage at the fused ignition switch one time to exit the self-diagnostic test mode and output fuse in the junction block. If OK, go to Step 3. return the trip computer, compass, and thermometer If not OK, repair the open circuit to the ignition display module to normal operation. switch as required. (3) Turn the ignition switch to the Off position. Disconnect and isolate the battery negative cable. Remove the overhead console as described in this group. Check for continuity between the ground cir- cuit cavities of the overhead console wire harness
  • 4. 8V - 4 OVERHEAD CONSOLE SYSTEMS XJ DIAGNOSIS AND TESTING (Continued) NOTE: If the compass functions, but accuracy is Unplug the ambient temperature sensor wire har- suspect, it may be necessary to perform a variation ness connector and the overhead console wire har- adjustment. This procedure allows the compass ness connector. unit to accommodate variations in the earth’s mag- (2) Connect a jumper wire between the two termi- netic field strength, based on geographic location. nals in the body half of the sensor wire harness con- See the Compass Variation Adjustment procedures, nector. in this group. (3) Check for continuity between the sensor return circuit and the ambient temperature sensor signal circuit cavities of the overhead console wire harness NOTE: If the compass reading has blanked out, and connector. There should be continuity. If OK, go to only “CAL” appears in the display module, demag- Step 4. If not OK, repair the open circuit as required. netizing may be necessary to remove excessive (4) Remove the jumper wire from the ambient tem- residual magnetic fields from the vehicle. See the perature sensor wire harness connector. Check for Compass Demagnetizing procedure, in this group. continuity between the sensor return circuit cavity of the overhead console wire harness connector and a good ground. There should be no continuity. If OK, go THERMOMETER to Step 5. If not OK, repair the short circuit as The thermometer function is supported by a ambi- required. ent temperature sensor, a wiring circuit, and a por- (5) Check for continuity between the ambient tem- tion of the overhead console trip computer, compass, perature sensor signal circuit cavity of the overhead and thermometer display module display. The sensor console wire harness connector and a good ground. is mounted outside the passenger compartment near There should be no continuity. If OK, see the Trip the front and center of the vehicle. Computer, Compass, and Thermometer Display Mod- If any portion of the ambient temperature sensor ule diagnosis in this group. If not OK, repair the circuit fails, the thermometer display will self-diag- short circuit as required. nose the circuit. An “SC” (short circuit) will appear in the display in place of the temperature, when the sensor is exposed to temperatures above 55° C (131° SERVICE PROCEDURES F), or if the sensor circuit is shorted. An “OC” (open circuit) will appear in the display in place of the tem- COMPASS VARIATION ADJUSTMENT perature, when the sensor is exposed to temperatures Variance is the difference between magnetic north below -40° C (-40° F), or if the sensor circuit is open. and geographic north. In some geographic locations, The ambient temperature sensor circuit can also be the difference between magnetic and geographic diagnosed using the following Sensor Test, and Sen- north is great enough to cause the compass to give sor Circuit Test. If the temperature sensor and cir- false readings. If this problem occurs, the compass cuit are confirmed to be OK, but the temperature variance must be set. display is inoperative or incorrect, see the Trip Com- To set the compass variance: puter, Compass, and Thermometer Display Module (1) Using the Variance Settings map, find your diagnosis in this group. For circuit descriptions and geographic location and note the zone number (Fig. diagrams, refer to 8W-49 - Overhead Console in 1). Group 8W - Wiring Diagrams. (2) Turn the ignition switch to the On position. If the compass/temperature data is not currently being SENSOR TEST displayed, momentarily depress and release the Step (1) Turn the ignition switch to the Off position. button to step through the display options until you Disconnect and isolate the battery negative cable. have reached the compass/temperature display. Unplug the temperature sensor wire harness connec- (3) Depress both the U.S./Metric, and the Step but- tor. tons. Hold the buttons down until “VAR” appears in (2) Measure the resistance of the temperature sen- the display. This takes about five seconds. sor. At -40° C (-40° F), the sensor resistance is 336 (4) Release both of the buttons. The current vari- kilohms. At 55° C (131° F), the sensor resistance is ance zone number setting will appear in the display. 2.986 kilohms. The sensor resistance should read (5) Press and release the U.S./Metric button to between these two values. If OK, go to the Sensor step through the zone numbers, until the zone num- Circuit Test. If not OK, replace the faulty sensor. ber for your geographic location appears in the dis- play. SENSOR CIRCUIT TEST (6) Press the Step button to enter this zone num- (1) Turn the ignition switch to the Off position. ber into the compass unit memory. Disconnect and isolate the battery negative cable.
  • 5. XJ OVERHEAD CONSOLE SYSTEMS 8V - 5 SERVICE PROCEDURES (Continued) Fig. 1 Variance Settings (7) Confirm that the correct directions are now (2) Depress both the U.S./Metric, and the Step but- indicated by the compass. tons. Hold the buttons down until “CAL” appears in the display. This takes about ten seconds, and COMPASS CALIBRATION appears about five seconds after “VAR” is displayed. (3) Release both of the buttons. CAUTION: Do not place any external magnets, such (4) Drive the vehicle on a level surface, away from as magnetic roof mount antennas, in the vicinity of large metal objects, through three or more complete the compass. Do not use magnetic tools when ser- circles in not less than 48 seconds. The “CAL” mes- vicing the overhead console. sage will disappear from the display to indicate that the compass is now calibrated. The electronic compass unit features a self-cali- brating design, which simplifies the calibration pro- NOTE: If the “CAL” message remains in the dis- cedure. This feature automatically updates the play, either there is excessive magnetism near the compass calibration while the vehicle is being driven. compass, or the unit is faulty. Repeat the demagne- This allows the compass unit to compensate for small tizing and calibration procedures at least one more changes in the residual magnetism that the vehicle time. may acquire during normal use. Do not attempt to calibrate the compass near large metal objects such as other vehicles, large buildings, or bridges. NOTE: If the wrong direction is still indicated in the compass display, the area selected for calibration NOTE: Whenever the compass is calibrated manu- may be too close to a strong magnetic field. Repeat ally, the variation number must also be reset. See the calibration procedure in another location. the Compass Variation Adjustment procedure, in this group. COMPASS DEMAGNETIZING Calibrate the compass manually as follows: A degaussing tool (Special Tool 6029) is used to (1) Start the engine. If the compass/temperature demagnetize, or degauss, the overhead console for- data is not currently being displayed, momentarily ward mounting screw(s) and the roof panel. Equiva- depress and release the Step button to step through lent units must be rated as continuous duty for 110/ the display options until you have reached the com- 115 volts and 60 Hz. They must also have a field pass/temperature display.
  • 6. H R AT LEAST TWO FEET AND TOOL AWAY H PULL TIP OF DISCONNECT WINDSHIELD EDGE DEGAUSSING 1/2Љ START L SCREW HEADLINER SCREW FWD OVERHEAD CONSOLE ING TAB REAR BRACKET REARMOUNT- 8V - 6 OVERHEAD CONSOLE SYSTEMS XJ SERVICE PROCEDURES (Continued) strength of over 350 gauss at 7 millimeters (0.25 (7) Plug in the degaussing tool, while keeping the inch) beyond the tip of the probe. tool at least 61 centimeters (2 feet) away from the To demagnetize the roof panel and the overhead compass unit. console forward mounting screw(s), proceed as fol- (8) Slowly approach the center line of the roof lows: panel at the windshield header, with the degaussing (1) Be certain the ignition switch is in the Off posi- tool plugged in. tion, before you begin the demagnetizing procedure. (9) Contact the roof panel with the plastic coated (2) Plug in the degaussing tool, while keeping the tip of the degaussing tool. Be sure the template is in tool at least 61 centimeters (2 feet) away from the place to avoid scratching the roof panel. Using a compass unit. slow, back-and-forth sweeping motion, and allowing (3) Slowly approach the head of the overhead con- 13 millimeters (0.50 inch) between passes, move the sole forward mounting screw with the degaussing tool at least 11 centimeters (4 inches) to each side of tool plugged in. the roof center line, and 28 centimeters (11 inches) (4) Contact the head of each screw with the plastic back from the windshield header. coated tip of the degaussing tool for about two sec- (10) With the degaussing tool still energized, onds. slowly back it away from the roof panel. When the (5) With the degaussing tool still energized, slowly tip of the tool is at least 61 centimeters (2 feet) from back it away from the screw. When the tip of the tool the roof panel, unplug the tool. is at least 61 centimeters (2 feet) from the screw (11) Calibrate the compass and adjust the compass head, unplug the tool. variance as described in this group. (6) Place a piece of paper approximately 22 by 28 centimeters (8.5 by 11 inches), oriented on the vehicle lengthwise from front to rear, on the center line of REMOVAL AND INSTALLATION the roof at the windshield header (Fig. 2). The pur- pose of the paper is to protect the roof panel from OVERHEAD CONSOLE scratches, and to define the area to be demagnetized. (1) Disconnect and isolate the battery negative cable. (2) Remove the two screws located forward of the display module that secure the overhead console to the upper windshield opening reinforcement (Fig. 3). Fig. 3 Overhead Console Remove/Install (3) To release the overhead console from the rear mounting bracket, use your fingertips to gently pull the sides of the overhead console housing outward near the rear mounting bracket. (4) Move the overhead console forward to disen- Fig. 2 Roof Demagnetizing Pattern gage the rear mounting tab from the headliner.
  • 7. PASS AND THERMOME- TRIP COMPUTER, COM- TER DISPLAY MODULE OVERHEAD CONSOLE OVERHEAD MODULE HARNESS PUSH WIRE CONNECTOR MOUNTING SCREWS MOUNTING BUTTON CONNECTOR PINS CONSOLE HOUSING PUSH MODULE BUTTON MOUNTING SCREWS XJ OVERHEAD CONSOLE SYSTEMS 8V - 7 REMOVAL AND INSTALLATION (Continued) (5) Lower the overhead console far enough to (6) Remove the trip computer, compass, and ther- access the two wire harness connectors. mometer display module from the overhead console (6) Unplug one wire harness connector near the housing. push button module towards the front of the over- (7) Reverse the removal procedures to install. head console. Tighten the mounting screws to 2.2 N·m (20 in. lbs.). (7) Unplug one wire harness connector from the Remote Keyless Entry (RKE) receiver near the center PUSH BUTTON MODULE of the overhead console. (1) Remove the overhead console as described in (8) Remove the overhead console from the vehicle. this group. (9) Reverse the removal procedures to install. (2) Unplug the push button module wire harness Tighten the overhead console mounting screws to 2.7 connector from the trip computer, compass, and ther- N·m (24 in. lbs.). mometer display module. (3) Remove the four screws that secure the push TRIP COMPUTER, COMPASS, AND button module to the overhead console housing (Fig. THERMOMETER DISPLAY MODULE 5). (1) Remove the overhead console as described in this group. (2) Remove the two screws that secure the forward end of the trip computer, compass, and thermometer display module to the overhead console housing (Fig. 4). Fig. 5 Push Button Module Remove/Install (4) Remove the push button module from the over- head console. (5) Reverse the removal procedures to install. Tighten the mounting screws to 2.2 N·m (20 in. lbs.). READING AND COURTESY LAMP BULB (1) Disconnect and isolate the battery negative cable. (2) Insert a long, narrow, flat-bladed tool in the notch on the edge of the reading and courtesy lamp lens. Fig. 4 Trip Computer, Compass, and Thermometer (3) Gently pry the lens downward from the over- Display Module Remove/Install head console housing and pivot the lens down. It may (3) Gently flex the sides of the overhead console be necessary to move the tool along the edge of the housing as required to release the trip computer, lens to free the lens from the console housing. compass, and thermometer display module mounting (4) Unsnap the bulb from the bulb holders by pull- pins. ing the bulb gently downwards. (4) Pull the trip computer, compass, and thermom- (5) Install a new bulb by aligning its base with the eter display module away from the overhead console bulb holders and pushing the bulb firmly into place. housing far enough to access the two wire harness (6) Pivot the lens back up into position and press connectors. upward firmly until it snaps into place. (5) Unplug the overhead console and push button (7) Connect the battery negative cable. module wire harness connectors from the trip com- (8) Test the lamp by depressing the lens to check puter, compass, and thermometer display module. for proper lamp switching and lighting. GARAGE DOOR OPENER STORAGE BIN DOOR (1) Open the garage door opener storage bin door.
  • 8. STORAGE BIN SUNGLASSES MOUNTING WIRE HARNESS RETAINERS MODULE SCREWS 8V - 8 OVERHEAD CONSOLE SYSTEMS XJ REMOVAL AND INSTALLATION (Continued) (2) Using a trim stick or another suitable wide (4) Remove the sunglasses storage bin module flat-bladed tool, gently pry between the door pivot from the overhead console. pin and the pivot hole on one side of the overhead (5)HORN CLIPS RADIATOR CROSSMEMBER Reverse the removal procedures to install. FWD WIRE HARNESS SUPPORT SCREWSENSOR console housing until the pivot pin clears the pivot Tighten the mounting screws to 2.2 N·m (20 in. lbs.). hole. (3) Use a gentle twisting action to remove the AMBIENT TEMPERATURE SENSOR garage door opener storage bin door from the over- (1) Disconnect and isolate the battery negative head console housing. cable. (4) To install, insert the pivot pin on one side of (2) Locate the ambient temperature sensor, below the door into the pivot hole in the overhead console the grille and behind the front bumper (Fig. 7). housing. Gently depress the pivot pin tab on the other side of the door until it clears the side of the garage door opener storage bin opening and push the door into the opening. Guide the door into the open- ing so that the pivot pin snaps into the pivot hole. SUNGLASSES STORAGE BIN The sunglasses storage bin door and bin, housing, damper, spring and latch are serviced only as a unit. Remove the sunglasses storage bin module from the overhead console as follows: (1) Remove the overhead console as described in this group. (2) Disengage the overhead console courtesy lamp wire harness from the retainers molded into the sun- glasses storage bin housing. (3) Remove the six screws that secure the sun- glasses storage bin module to the overhead console housing (Fig. 6). Fig. 7 Ambient Temperature Sensor Remove/Install (3) Unplug the sensor wire harness connector. (4) Remove the screw that secures the ambient temperature sensor to the radiator support. (5) Remove the ambient temperature sensor. (6) Reverse the removal procedures to install. Tighten the ambient temperature sensor mounting Fig. 6 Sunglasses Storage Bin Module Remove/ screw to 3.4 N·m (30 in lbs.). Install