Datasheet exj_8f Datasheet

XJ AUDIO SYSTEMS 8F - 1

AUDIO SYSTEMS

TABLE OF CONTENTS

page page

GENERAL INFORMATION

INTRODUCTION ..........................1

AUDIO SYSTEM ..........................1

DESCRIPTION AND OPERATION

RADIO..................................1

IGNITION-OFF DRAW FUSE .................1

SPEAKER ...............................2

ANTENNA ...............................2

RADIO NOISE SUPPRESSION ...............2

DIAGNOSIS AND TESTING

AUDIO SYSTEM ..........................2

RADIO..................................4

GENERAL INFORMATION

INTRODUCTION

An audio system is standard factory-installed
equipment on this model, unless the vehicle is
ordered with an available radio delete option. Refer
to 8W-47 Audio System in Group 8W - Wiring Dia­grams for complete circuit descriptions and diagrams.

NOTE: This group covers both Left-Hand Drive
(LHD) and Right-Hand Drive (RHD) versions of this
model. Whenever required and feasible, the RHD
versions of affected vehicle components have been
constructed as mirror-image of the LHD versions.
While most of the illustrations used in this group
represent only the LHD version, the diagnostic and
service procedures outlined can generally be
applied to either version. Exceptions to this rule
have been clearly identified as LHD or RHD, if a
special illustration or procedure is required.

AUDIO SYSTEM

Several combinations of radio receivers and
speaker systems are offered on this model. The stan­dard equipment audio system includes an AM/FM
(RAL sales code) receiver, and speakers in two loca­tions.

Following are general descriptions of the major
components in the standard and optional factory-in­stalled audio systems. Refer to the owner’s manual in
the vehicle glove box for more information on the fea­tures, use and operation of each of the available
audio systems.

SPEAKER ...............................4

ANTENNA ...............................5

RADIO FREQUENCY INTERFERENCE..........6

REMOVAL AND INSTALLATION

RADIO..................................7

AMPLIFIER ..............................7

SPEAKER ...............................8

ANTENNA ..............................10

RADIO NOISE SUPPRESSION COMPONENTS. . 11

SPECIAL TOOLS

AUDIO SYSTEMS ........................12

DESCRIPTION AND OPERATION

RADIO

Available factory-installed radio receivers for this
model include an AM/FM (RAL sales code), an
AM/FM/cassette (RAS sales code), and an AM/FM/
CD/cassette/3-band graphic equalizer (RAZ sales
code). All factory-installed radio receivers are stereo
Electronically Tuned Radios (ETR), and include an
electronic digital clock function.

The radio can only be serviced by an authorized
radio repair station. Refer to the latest Warranty Pol­icies and Procedures manual for a current listing of
authorized radio repair stations.

For more information on radio features, setting
procedures, and control functions refer to the owner’s
manual in the vehicle glove box.

IGNITION-OFF DRAW FUSE

All vehicles are equipped with an Ignition-Off
Draw (IOD) fuse that is removed when the vehicle is
shipped from the factory. This fuse feeds various
accessories that require battery current when the
ignition switch is in the Off position, including the
clock and radio station preset memory functions. The
fuse is removed to prevent battery discharge during
vehicle storage.

When removing or installing the IOD fuse, it is
important that the ignition switch be in the Off posi­tion. Failure to place the ignition switch in the Off
position can cause the radio display to become scram­bled when the IOD fuse is removed and replaced.
Removing and replacing the IOD fuse again, with the

8F - 2 AUDIO SYSTEMS XJ

DESCRIPTION AND OPERATION (Continued)

ignition switch in the Off position, will correct the
scrambled display condition.

The IOD fuse should be checked if the radio is
inoperative. The IOD fuse is located in the Power
Distribution Center (PDC). Refer to the PDC label for
IOD fuse identification and location.

SPEAKER

The standard equipment speaker system includes
two 13.3 centimeter (5.25 inch) diameter full-range
speakers. Each speaker is mounted to the lower front
corner of the front door inner panel behind the door
trim panel.

The four speaker option adds two 13.3 centimeter
(5.25 inch) diameter full-range speakers to the stan­dard speaker system, for a total of four speakers.
Each of the additional speakers is mounted behind a
grille installed on the outboard ends of a speaker
support structure, which is integral to the headliner
and located just forward of the upper liftgate opening
reinforcement near the rear of the vehicle cargo area.

The premium speaker option upgrades all of the
speakers to Infinity models, and includes a 100 watt
Infinity amplifier. Each front door has two separate
Infinity speakers: a woofer mounted low in the door,
and a tweeter mounted behind the door flag trim
panel. Infinity coaxial speakers are mounted in the
headliner speaker support structure. The Infinity
amplifier is mounted to the floor panel under the left
rear seat cushion.

nect allows the instrument panel assembly to be
removed and installed without removing the radio.

The factory-installed Electronically Tuned Radios
(ETRs) automatically compensate for radio antenna
trim. Therefore, no antenna trimmer adjustment is
required or possible when replacing the receiver or
the antenna.

RADIO NOISE SUPPRESSION

DESCRIPTION

Radio Frequency Interference (RFI) and Electro­Magnetic Interference (EMI) noise suppression is
accomplished primarily through circuitry internal to
the radio receivers. These internal suppression
devices are only serviced as part of the radio receiver.

External suppression devices that are used on this
vehicle to control RFI or EMI noise include the fol­lowing:

• Radio antenna base ground

• Radio receiver chassis ground wire or strap

• Engine-to-body ground strap

• Resistor-type spark plugs

• Radio suppression-type secondary ignition wir-

ing.

For more information on the spark plugs and sec­ondary ignition components, refer to Ignition Sys-
tem in the Description and Operation section of
Group 8D - Ignition System.

ANTENNA

All models use a fixed-length stainless steel rod­type antenna mast, installed at the right front fender
of the vehicle. The antenna mast is connected to the
center wire of the coaxial antenna cable, and is not
grounded to any part of the vehicle.

To eliminate static, the antenna base must have a
good ground. The coaxial antenna cable shield (the
outer wire mesh of the cable) is grounded to the
antenna base and the radio chassis.

The antenna coaxial cable has an additional dis­connect, located near the right cowl side inner panel
behind the instrument panel. This additional discon-

DIAGNOSIS AND TESTING

AUDIO SYSTEM

WARNING: ON VEHICLES EQUIPPED WITH AIR­BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE­CAUTIONS COULD RESULT IN ACCIDENTAL AIR­BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.

XJ AUDIO SYSTEMS 8F - 3

DIAGNOSIS AND TESTING (Continued)

Audio System Diagnosis

CONDITION POSSIBLE CAUSE CORRECTION

NO AUDIO. 1. Fuse faulty.

2. Radio connector
faulty.

3. Wiring faulty.

4. Ground faulty.

5. Radio faulty.

6. Speakers faulty.

7. Amplifier faulty (if
equipped).

NO DISPLAY. 1. Fuse faulty.

2. Radio connector
faulty.

3. Wiring faulty.

4. Ground faulty.

5. Radio faulty.

CLOCK WILL
NOT KEEP SET
TIME.

1. Fuse faulty.

2. Radio connector
faulty.

3. Wiring faulty.

4. Ground faulty.

5. Radio faulty.

1. Check radio fuses in junction block. Replace fuses, if required.

2. Check for loose or corroded radio connector. Repair, if
required.

3. Check for battery voltage at radio connector. Repair wiring, if
required.

4. Check for continuity between radio chassis and a known good
ground. There should be continuity. Repair ground, if required.

5. See Radio in the Diagnosis and Testing section of this group.

6. See Speaker in the Diagnosis and Testing section of this
group.

7. See Speaker in the Diagnosis and Testing section of this
group.

1. Check radio fuses in junction block. Replace fuses, if required.

2. Check for loose or corroded radio connector. Repair, if
required.

3. Check for battery voltage at radio connector. Repair wiring, if
required.

4. Check for continuity between radio chassis and a known good
ground. There should be continuity. Repair ground, if required.

5. See Radio in the Diagnosis and Testing section of this group.

1. Check ignition-off draw fuse. Replace fuse, if required.

2. Check for loose or corroded radio connector. Repair, if
required.

3. Check for battery voltage at radio connector. Repair wiring, if
required.

4. Check for continuity between radio chassis and a known good
ground. There should be continuity. Repair ground, if required.

5. See Radio in the Diagnosis and Testing section of this group.

POOR RADIO
RECEPTION.

NO/POOR TAPE
OPERATION.

NO COMPACT
DISC
OPERATION

1. Antenna faulty.

2. Ground faulty.

3. Radio faulty.

1. Faulty tape.

2. Foreign objects
behind tape door.

3. Dirty cassette tape
head.

4. Faulty tape deck.

1. Faulty CD.

2. Foreign material on
CD.

3. Condensation on CD
or optics.

4. Faulty CD player.

1. See Antenna in the Diagnosis and Testing section of this
group.

2. Check for continuity between radio chassis and a known good
ground. There should be continuity. Repair ground, if required.

3. See Radio in the Diagnosis and Testing section of this group.

1. Insert known good tape and test operation.

2. Remove foreign objects and test operation.

3. Clean head with Mopar Cassette Head Cleaner.

4. Exchange or replace radio, if required.

1. Insert known good CD and test operation.

2. Clean CD and test operation.

3. Allow temperature of vehicle interior to stabilize and test
operation.

4. Exchange or replace radio, if required.

8F - 4 AUDIO SYSTEMS XJ

DIAGNOSIS AND TESTING (Continued)

RADIO

For circuit descriptions and diagrams, refer to
8W-47 - Audio System in Group 8W - Wiring Dia­grams.

WARNING: ON VEHICLES EQUIPPED WITH AIR­BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE­CAUTIONS COULD RESULT IN ACCIDENTAL AIR­BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.

CAUTION: The speaker output of the radio is a
“floating ground” system. Do not allow any speaker
lead to short to ground, as damage to the radio
may result.

(1) Check the fuse(s) in the junction block and the
Power Distribution Center (PDC). If OK, go to Step

2. If not OK, repair the shorted circuit or component
as required and replace the faulty fuse(s).

(2) Check for battery voltage at the fuse in the
PDC. If OK, go to Step 3. If not OK, repair the open
circuit to the battery as required.

(3) Turn the ignition switch to the On position.
Check for battery voltage at the fuse in the junction
block. If OK, go to Step 4. If not OK, repair the open
circuit to the ignition switch as required.

(4) Turn the ignition switch to the Off position.
Disconnect and isolate the battery negative cable.
Remove the radio, but do not unplug the radio wire
harness connectors. Check for continuity between the
radio chassis and a good ground. There should be
continuity. If OK, go to Step 5. If not OK, repair the
open radio chassis ground circuit as required.

(5) Connect the battery negative cable. Turn the
ignition switch to the On position. Check for battery
voltage at the fused ignition switch output (accesso­ry/run) circuit cavity of the left (gray) radio wire har­ness connector. If OK, go to Step 6. If not OK, repair
the open circuit as required.

(6) Turn the ignition switch to the Off position.
Check for battery voltage at the fused B(+) circuit
cavity of the left (gray) radio wire harness connector.
If OK, replace the faulty radio. If not OK, repair the
open circuit to the Ignition-Off Draw (IOD) fuse as
required.

SPEAKER

For circuit descriptions and diagrams, refer to
8W-47 - Audio System in Group 8W - Wiring Dia­grams.

WARNING: ON VEHICLES EQUIPPED WITH AIR­BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE­CAUTIONS COULD RESULT IN ACCIDENTAL AIR­BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.

CAUTION: The speaker output of the radio is a
“floating ground” system. Do not allow any speaker
lead to short to ground, as damage to the radio
may result.

(1) Turn the ignition switch to the On position.
Turn the radio on. Adjust the balance and fader con­trols to check the performance of each individual
speaker. Note the speaker locations that are not per­forming correctly. Go to Step 2.

(2) Turn the radio off. Turn the ignition switch to
the Off position. Disconnect and isolate the battery
negative cable. Remove the radio from the instru­ment panel. If the vehicle is equipped with the Infin­ity speaker package, also unplug the wire harness
connectors at the amplifier. Check both the speaker
feed (+) circuit and return (–) circuit cavities for the
inoperative speaker location(s) at the radio wire har­ness connectors for continuity to ground. In each
case, there should be no continuity. If OK, go to Step

3. If not OK, repair the shorted speaker circuit(s) as
required.

(3) If the vehicle is equipped with the Infinity
speaker package, go to Step 6. If the vehicle is
equipped with the standard speaker system, check
the resistance between the speaker feed (+) circuit
and return (–) circuit cavities of the radio wire har­ness connectors for the inoperative speaker loca­tion(s). The meter should read between 2 and 12
ohms (speaker resistance). If OK, go to Step 4. If not
OK, go to Step 5.

(4) Install a known good radio. Connect the bat­tery negative cable. Turn the ignition switch to the
On position. Turn on the radio and test the speaker
operation. If OK, replace the faulty radio. If not OK,
turn the radio off, turn the ignition switch to the Off
position, disconnect and isolate the battery negative
cable, remove the test radio, and go to Step 5.

(5) Unplug the speaker wire harness connector at
the inoperative speaker. Check for continuity
between the speaker feed (+) circuit cavities of the
radio wire harness connector and the speaker wire
harness connector. Repeat the check between the
speaker return (–) circuit cavities of the radio wire
harness connector and the speaker wire harness con­nector. In each case, there should be continuity. If

XJ AUDIO SYSTEMS 8F - 5

DIAGNOSIS AND TESTING (Continued)

OK, replace the faulty speaker. If not OK, repair the
open circuit(s) as required.

(6) For each inoperative speaker location, check for
continuity between the speaker feed (+) circuit cavi­ties of the radio wire harness connectors and the
amplifier wire harness connectors. Repeat the check
for each inoperative speaker location between the
speaker return (–) circuit cavities of the radio wire
harness connectors and the amplifier wire harness
connectors. In each case, there should be continuity.
If OK, go to Step 7. If not OK, repair the open circuit
as required.

(7) Check for continuity between the two ground
circuit cavities of the amplifier wire harness connec­tor and a good ground. There should be continuity. If
OK, go to Step 8. If not OK, repair the open circuit(s)
as required.

(8) Check the amplifier fuse in the junction block.
If OK, go to Step 9. If not OK, repair the shorted cir­cuit or component as required and replace the faulty
fuse.

(9) Install the radio. Connect the battery negative
cable. Check for battery voltage at the amplifier fuse
in the junction block. If OK, go to Step 10. If not OK,
repair the open circuit to the PDC as required.

(10) Check for battery voltage at the two fused
B(+) circuit cavities of the amplifier wire harness
connector. If OK, go to Step 11. If not OK, repair the
open circuit to the fuse in the junction block as
required.

(11) Turn the ignition switch to the On position.
Turn the radio on. Check for battery voltage at the
radio 12 volt output circuit cavity of the amplifier
wire harness connector. If OK, go to Step 12. If not
OK, repair the open circuit to the radio as required.

(12) Turn the radio off. Turn the ignition switch to
the Off position. Disconnect and isolate the battery
negative cable. For each inoperative speaker location,
check both the amplified feed (+) circuit and the
amplified return (–) circuit cavities of the amplifier
wire harness connectors for continuity to ground. In
each case there should be no continuity. If OK, go to
Step 13. If not OK, repair the short circuit as
required.

(13) For each inoperative speaker location, check
the resistance between the amplified feed (+) circuit
and the amplified return (–) circuit cavities of the
amplifier wire harness connectors. The meter should
read between 2 and 12 ohms (speaker resistance). If
OK, replace the faulty amplifier. If not OK, go to
Step 14.

(14) Unplug the speaker wire harness connector at
the inoperative speaker. Check for continuity
between the amplified feed (+) circuit cavities of the
speaker wire harness connector and the amplifier
wire harness connector. Repeat the check between

the amplified return (–) circuit cavities of the speaker
wire harness connector and the amplifier wire har­ness connector. In each case there should be continu­ity. If OK, replace the faulty speaker. If not OK,
repair the open circuit as required.

ANTENNA

WARNING: ON VEHICLES EQUIPPED WITH AIR­BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE­CAUTIONS COULD RESULT IN ACCIDENTAL AIR­BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.

The following four tests are used to diagnose the

antenna with an ohmmeter:

• Test 1 - Mast to ground test

• Test 2 - Tip-of-mast to tip-of-conductor test

• Test 3 - Body ground to battery ground test

• Test 4 - Body ground to coaxial shield test.

The ohmmeter test lead connections for each test

are shown in Antenna Tests (Fig. 1).

NOTE: This model has a two-piece antenna coaxial
cable. Tests 2 and 4 must be conducted in two
steps to isolate a coaxial cable problem; from the
coaxial cable connection under the right end of the
instrument panel near the right cowl side inner
panel to the antenna base, and then from the coax­ial cable connection to the radio chassis connec­tion.

Fig. 1 Antenna Tests

8F - 6 AUDIO SYSTEMS XJ

DIAGNOSIS AND TESTING (Continued)

TEST 1

Test 1 determines if the antenna mast is insulated
from the base. Proceed as follows:

(1) Unplug the antenna coaxial cable connector
from the radio chassis and isolate.

(2) Connect one ohmmeter test lead to the tip of
the antenna mast. Connect the other test lead to the
antenna base. Check for continuity.

(3) There should be no continuity. If continuity is
found, replace the faulty or damaged antenna base
and cable assembly.

TEST 2

Test 2 checks the antenna for an open circuit as
follows:

(1) Unplug the antenna coaxial cable connector
from the radio chassis.

(2) Connect one ohmmeter test lead to the tip of
the antenna mast. Connect the other test lead to the
center pin of the antenna coaxial cable connector.

(3) Continuity should exist (the ohmmeter should
only register a fraction of an ohm). High or infinite
resistance indicates damage to the base and cable
assembly. Replace the faulty base and cable, if
required.

TEST 3

Test 3 checks the condition of the vehicle body
ground connection. This test should be performed
with the battery positive cable removed from the bat­tery. Disconnect both battery cables, the negative
cable first. Reconnect the battery negative cable and
perform the test as follows:

(1) Connect one ohmmeter test lead to the vehicle
fender. Connect the other test lead to the battery
negative post.

(2) The resistance should be less than one ohm.

(3) If the resistance is more than one ohm, check
the braided ground strap connected to the engine and
the vehicle body for being loose, corroded, or dam­aged. Repair the ground strap connection, if required.

TEST 4

Test 4 checks the condition of the ground between
the antenna base and the vehicle body as follows:

(1) Connect one ohmmeter test lead to the vehicle
fender. Connect the other test lead to the outer crimp
on the antenna coaxial cable connector.

(2) The resistance should be less then one ohm.

(3) If the resistance is more then one ohm, clean
and/or tighten the antenna base to fender mounting
hardware.

RADIO FREQUENCY INTERFERENCE

WARNING: ON VEHICLES EQUIPPED WITH AIR­BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE­CAUTIONS COULD RESULT IN ACCIDENTAL AIR­BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.

For complete circuit diagrams, see Group 8W ­Wiring Diagrams. Inspect the ground paths and con­nections at the following locations:

• Blower motor

• Electric fuel pump

• Engine-to-body ground strap

• Generator

• Ignition module

• Radio antenna base ground

• Radio receiver chassis ground wire or strap

• Wiper motor.

If the source of RFI or EMI noise is identified as a
component on the vehicle (i.e., generator, blower
motor, etc.), the ground path for that component
should be checked. If excessive resistance is found in
any ground circuit, clean, tighten, or repair the
ground circuits or connections to ground as required
before considering any component replacement.

For service and inspection of secondary ignition
components, refer to the Diagnosis and Testing sec­tion of Group 8D - Ignition Systems. Inspect the fol­lowing secondary ignition system components:

• Distributor cap and rotor

• Ignition coil

• Spark plugs

• Spark plug wire routing and condition.

Reroute the spark plug wires or replace the faulty
components as required.

If the source of the RFI or EMI noise is identified
as two-way mobile radio or telephone equipment,
check the equipment installation for the following:

• Power connections should be made directly to
the battery, and fused as closely to the battery as
possible.

• The antenna should be mounted on the roof or
toward the rear of the vehicle. Remember that mag­netic antenna mounts on the roof panel can adversely
affect the operation of an overhead console compass,
if the vehicle is so equipped.

• The antenna cable should be fully shielded coax­ial cable, should be as short as is practical, and
should be routed away from the factory-installed
vehicle wire harnesses whenever possible.

XJ AUDIO SYSTEMS 8F - 7

DIAGNOSIS AND TESTING (Continued)

• The antenna and cable must be carefully
matched to ensure a low Standing Wave Ratio
(SWR).

Fleet vehicles are available with an extra-cost RFI­suppressed Powertrain Control Module (PCM). This
unit reduces interference generated by the PCM on
some radio frequencies used in two-way radio com­munications. However, this unit will not resolve com­plaints of RFI in the commercial AM or FM radio
frequency ranges.

REMOVAL AND INSTALLATION

RADIO

WARNING: ON VEHICLES EQUIPPED WITH AIR­BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE­CAUTIONS COULD RESULT IN ACCIDENTAL AIR­BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.

1 – INSTRUMENT PANEL
2 – CENTER BEZEL

Fig. 2 Center Bezel Remove/Install

(1) Disconnect and isolate the battery negative
cable.

(2) Using a trim stick or another suitable wide
flat-bladed tool, gently pry the instrument panel cen­ter bezel away from the instrument panel to release
the six snap clip retainers (Fig. 2).

(3) Remove the center bezel from the instrument
panel.

(4) Remove the two screws that secure the radio to
the instrument panel (Fig. 3).

(5) Pull the radio out from the instrument panel
far enough to access the wire harness connectors and
the antenna coaxial cable connector (Fig. 4).

(6) Unplug the wire harness connectors and the
antenna coaxial cable connector from the rear of the
radio.

(7) Remove the radio from the instrument panel.

(8) Reverse the removal procedures to install.
Tighten the radio mounting screws to 3.9 N·m (35 in.
lbs.).

AMPLIFIER

(1) Disconnect and isolate the battery negative
cable.

(2) Disengage the rear seat cushion latch by pull­ing upward on the release strap. Tilt the seat cush­ion forward.

(3) Lift the carpeting in the left under-seat area as
required to access the amplifier.

Fig. 3 Radio Remove/Install

1 – RADIO
2 – SCREW

(4) Unplug the two wire harness connectors from

the amplifier (Fig. 5).

(5) Remove the three screws that secure the ampli-

fier to the floor panel.

(6) Remove the amplifier from the floor panel.

(7) Reverse the removal procedures to install.
Tighten the amplifier mounting screws to 2.8 N·m
(25 in. lbs.).

8F - 8 AUDIO SYSTEMS XJ

REMOVAL AND INSTALLATION (Continued)

Fig. 4 Radio Connections - Typical

1 – ANTENNA CABLE
2 – RADIO
3 – INSTRUMENT PANEL WIRING
4 – GROUND WIRE

Fig. 5 Amplifier Remove/Install

1 – AMPLIFIER
2 – WIRE HARNESS CONNECTORS
3 – REAR FLOOR PAN
4 – SCREW

SPEAKER

Fig. 6 Window Regulator Crank Handle Remove -

Typical

1 – DOOR HANDLE REMOVAL TOOL
2 – WINDOW CRANK

Fig. 7 Front Door Trim Panel Remove/Install -

Manual Window

1 – U-NUT
2 – DOOR
3 – TRIM PANEL
4 – WINDOW CRANK
5 – SPACER
6 – PUSH-IN FASTENER

FRONT DOOR

LOWER

(1) Disconnect and isolate the battery negative

cable.

(2) If the vehicle is so equipped, remove the man­ual window regulator crank handle with a removal
tool (Fig. 6).

(3) Remove the screws that secure the front door
trim panel to the inner door panel (Fig. 7) or (Fig. 8).

(4) Using a trim stick or another suitable wide
flat-bladed tool, gently pry the front door trim panel
away from the door around the perimeter to release
the trim panel retainers.

NOTE: To aid in the removal of the trim panel, start
at the bottom of the panel.

(5) Lift the front door trim panel upwards and
away from the inner door panel far enough to disen-

XJ AUDIO SYSTEMS 8F - 9

REMOVAL AND INSTALLATION (Continued)

Fig. 8 Front Door Trim Panel Remove/Install - Power

Window

1 – U-NUT
2 – DOOR
3 – TRIM PANEL
4 – PUSH-IN FASTENER

gage the top of the panel from the inner belt weath­erstrip.

(6) Pull the front door trim panel away from the
inner door panel far enough to access the inside door
latch release and lock linkage rods near the back of
the inside door remote controls.

(7) Unsnap the plastic retainer clips from the
inside door remote control ends of the latch release
and lock linkage rods, and remove the rod ends from
the inside door remote controls.

(8) If the vehicle is so equipped, unplug the wire
harness connectors from the door power switch mod­ule and, on the driver side only, the power mirror
switch.

(9) Set the front door trim panel aside.

(10) Remove the two screws that secure the
speaker to the lower front corner of the inner door
panel (Fig. 9).

(11) Pull the speaker away from the inner door
panel far enough to access and unplug the speaker
wire harness connector.

(12) Remove the speaker from the door.

(13) Reverse the removal procedures to install.
Tighten the speaker mounting screws to 1.1 N·m (10
in. lbs.). Tighten the trim panel mounting screws to

2.2 N·m (20 in. lbs.).

UPPER

(1) Remove the front door trim panel from the
front door. See Speaker, Front Door, Lower in this
group for the procedures.

(2) Remove the one screw that secures the front
door flag trim to the inner door panel (Fig. 10).

Fig. 9 Front Door Lower Speaker Remove/Install

1 – SPEAKER
2 – WIRE HARNESS CONNECTORS
3 – NUT
4 – SCREW

Fig. 10 Front Door Flag Trim Panel Remove/Install

1 – FRONT DOOR
2 – DOOR FLAG TRIM PANEL
3 – RETAINER
4 – SCREW
5 – UPPER SPEAKER WIRE HARNESS

(3) Using a trim stick or another suitable wide
flat-bladed tool, gently pry the door flag trim away
from the inner door to release the trim panel
retainer.

(4) Pull the front door flag trim away from the
inner door panel far enough to access and unplug the
upper speaker wire harness connector.

(5) Unsnap the speaker from the retainers molded
into the back side of the front door flag trim panel.

8F - 10 AUDIO SYSTEMS XJ

REMOVAL AND INSTALLATION (Continued)

(6) Reverse the removal procedures to install.

Tighten the mounting screw to 2.2 N·m (20 in. lbs.).

REAR HEADLINER

The rear headliner speakers can be serviced with­out removing the headliner using the procedures that
follow. The headliner speaker support structure is
integral to the headliner assembly. Refer to Group 23

- Body for the headliner service procedures.

(1) Disconnect and isolate the battery negative
cable.

(2) Using a trim stick or another suitable wide
flat-bladed tool, gently pry around the perimeter
edge of the rear headliner speaker grille to release
the five snap retainers that secure the grille to the
headliner speaker support structure (Fig. 11).

ANTENNA

WARNING: ON VEHICLES EQUIPPED WITH AIR­BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE­CAUTIONS COULD RESULT IN ACCIDENTAL AIR­BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.

(1) Disconnect and isolate the battery negative

cable.

(2) Remove the right front fender inner splash

shield. Refer to Group 23 - Body for the procedures.

(3) Reach under the right end of the instrument
panel to unplug the antenna coaxial cable connector
(Fig. 12). Unplug the connector by pulling it apart
while twisting the metal connector halves. Do not
pull on the cable.

Fig. 11 Rear Headliner Speaker Remove/Install

1 – CARGO LAMP
2 – HEADLINER
3 – WIRE HARNESS CONNECTOR
4 – SPEAKER
5 – SCREWS
6 – SPEAKER GRILLE

(3) Remove the speaker grille from the headliner.
(4) Remove the two screws that secure the speaker

to the headliner speaker support structure.

(5) Lower the speaker from the headliner far
enough to access and unplug the speaker wire har­ness connector.

(6) Remove the speaker from the headliner.

(7) Reverse the removal procedures to install.
Tighten the mounting screws to 2.2 N·m (20 in. lbs.).

Fig. 12 Antenna Cable Routing

1 – INSTRUMENT PANEL
2 – ANTENNA COAXIAL CABLE
3 – ANTENNA COAXIAL CABLE
4 – HEATER-A/C HOUSING KICK COVER
5 – INSTRUMENT PANEL

XJ AUDIO SYSTEMS 8F - 11

REMOVAL AND INSTALLATION (Continued)

(4) Unscrew the antenna mast from the antenna
body (Fig. 13).

Fig. 13 Antenna Mast Remove/Install - Typical

1 – ANTENNA MAST
2 – ADAPTER
3 – CAP NUT

(5) Remove the antenna cap nut and adapter using
an antenna nut wrench (Special Tool C-4816) (Fig.

14).

Fig. 14 Antenna Cap Nut and Adapter Remove/

Install - Typical

1 – CAP NUT
2 – ANTENNA ADAPTER
3–TOOL

(6) Lower the antenna body and cable assembly
through the top of the fender far enough to access
the antenna body by reaching up into the rear of the
right front fender wheel housing (Fig. 15).

(7) Disengage the coaxial cable grommet from the
hole in the right cowl side outer panel.

(8) Pull the coaxial cable out through the right
cowl side outer panel.

Fig. 15 Antenna Mounting

1 – NUT
2 – MAST
3 – RIGHT FRONT FENDER
4 – ANTENNA BODY AND CABLE
5 – GROMMET
6 – ADAPTER

(9) Remove the antenna body and cable from the

vehicle.

(10) Reverse the removal procedures to install.
Tighten the antenna cap nut to 6.2 N·m (55 in. lbs.).
Tighten the antenna mast to 3.3 N·m (30 in. lbs.).

RADIO NOISE SUPPRESSION COMPONENTS

WARNING: ON VEHICLES EQUIPPED WITH AIR­BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE­CAUTIONS COULD RESULT IN ACCIDENTAL AIR­BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.

REMOVAL

ENGINE-TO-BODY GROUND STRAP

(1) Remove the screw that secures the engine-to­body ground strap eyelet to the dash panel (Fig. 16).

8F - 12 AUDIO SYSTEMS XJ

REMOVAL AND INSTALLATION (Continued)

(4) Remove the engine-to-body ground strap from
the engine compartment.

INSTALLATION

ENGINE-TO-BODY GROUND STRAP

(1) Position the engine-to-body ground strap in the
engine compartment.

(2) Position the engine-to-body ground strap eyelet
over the stud on the left upper rear corner of the
engine cylinder head.

(3) Install and tighten the nut that secures the
engine-to-body ground strap eyelet to the stud on the
left upper rear corner of the engine cylinder head.
Tighten the nut to 27 N·m (20 ft. lbs.).

(4) Install and tighten the screw that secures the
engine-to-body ground strap eyelet to the dash panel.
Tighten the screw to 27 N·m (20 ft. lbs.).

Fig. 16 Engine-To-Body Ground Strap Remove/

Install

1 – SCREW
2 – DASH PANEL
3 – ENGINE CYLINDER HEAD
4 – STUD
5 – NUT
6 – GROUND STRAP

(2) Remove the nut that secures the engine-to-body
ground strap eyelet to the stud on the left upper rear
corner of the engine cylinder head.

(3) Remove the engine-to-body ground strap eyelet
from the stud on the left upper rear corner of the
engine cylinder head.

SPECIAL TOOLS

AUDIO SYSTEMS

Antenna Nut Wrench C-4816