Jeep Grand Cherokee WK. Manual — part 262

DIAGNOSIS AND TESTING

MODULE - ANTENNA

ANTENNA MODULE DIAGNOSIS TABLE

CONDITION

POSSIBLE CAUSES

CORRECTION

NO AM RECEPTION,

WEAK FM RECEPTION

1. Antenna module to antenna
connector open or disconnected.

1. Repair open, reconnect
antenna module connector to
glass mounted antenna.

2. Coax open or disconnected.

2. Repair open, reconnect coax.

3. No battery power at antenna
module.

3. Check fuse. if okay, repair
open in battery voltage circuit.

NO AM OR FM

RECEPTION

1. Coax disconnected at radio.

1. Reconnect coax.

2. Coax shorted to ground.

2. Repair or Replace coax

WEAK OR NO AM/FM

RECEPTION

1. Antenna Module inoperative.

1. Substitute a known good
module to see If reception
improves. Replace antenna
module as necessary.

REMOVAL

WARNING:

DISABLE

THE

AIRBAG

SYSTEM

BEFORE ATTEMPTING ANY STEERING WHEEL,
STEERING COLUMN, SEAT BELT TENSIONER,
SIDE AIRBAG, OR INSTRUMENT PANEL COMPO-
NENT DIAGNOSIS OR SERVICE. DISCONNECT
AND

ISOLATE

THE

BATTERY

NEGATIVE

(GROUND) CABLE, THEN WAIT TWO MINUTES
FOR THE AIRBAG SYSTEM CAPACITOR TO DIS-
CHARGE BEFORE PERFORMING FURTHER DIAG-
NOSIS OR SERVICE. THIS IS THE ONLY SURE
WAY TO DISABLE THE AIRBAG SYSTEM. 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. Lower the right side of the headliner.

3. Disconnect the antenna module connector from the

integral antenna.

4. Remove the mounting fasteners and the antenna

module.

5. Disconnect the battery power lead connector from

the antenna module.

6. Disconnect

the

coax

lead

from

the

antenna

module.

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AUDIO/VIDEO - SERVICE INFORMATION

WK

INSTALLATION

WARNING:

DISABLE

THE

AIRBAG

SYSTEM

BEFORE ATTEMPTING ANY STEERING WHEEL,
STEERING COLUMN, SEAT BELT TENSIONER,
SIDE AIRBAG, OR INSTRUMENT PANEL COMPO-
NENT DIAGNOSIS OR SERVICE. DISCONNECT
AND

ISOLATE

THE

BATTERY

NEGATIVE

(GROUND) CABLE, THEN WAIT TWO MINUTES
FOR THE AIRBAG SYSTEM CAPACITOR TO DIS-
CHARGE BEFORE PERFORMING FURTHER DIAG-
NOSIS OR SERVICE. THIS IS THE ONLY SURE
WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE
TO TAKE THE PROPER PRECAUTIONS COULD
RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND POSSIBLE PERSONAL INJURY.

1. Connect antenna cable to antenna module.

2. Connect battery power supply lead to antenna

module.

3. Position antenna module onto right side upper roof

rail. Install and tighten mounting fasteners.

4. Connect antenna module lead to the integral

antenna.

5. Install headliner.

MONITOR-MEDIA SYSTEM

DESCRIPTION

The video entertainment system, consist of:

•

Battery powered remote control

•

DVD player located at the end of the center
floor console

•

Two headsets

•

Video monitor (3) located on the head-
liner (2)

In addition to video DVDs, the system will
play audio DVDs, audio CDs, MP3 audio
disc, and video CDs. There are plug-in
jacks on the DVD player to show video
directly from a video camera, connect video
games for display on the screen, and play
music directly from a MP3 player.

WK

AUDIO/VIDEO - SERVICE INFORMATION

8A - 185

OPERATION

A seven inch (diagonal measurement) liquid crystal display (LCD) screen supports both 3 X 4 and 6 X 9 video
formats. The hinged screen latches in the closed position and swings down for viewing.

REMOVAL

WARNING:

DISABLE

THE

AIRBAG

SYSTEM

BEFORE ATTEMPTING ANY STEERING WHEEL,
STEERING COLUMN, SEAT BELT TENSIONER,
SIDE AIRBAG, OR INSTRUMENT PANEL COMPO-
NENT DIAGNOSIS OR SERVICE. DISCONNECT
AND

ISOLATE

THE

BATTERY

NEGATIVE

(GROUND) CABLE, THEN WAIT TWO MINUTES
FOR THE AIRBAG SYSTEM CAPACITOR TO DIS-
CHARGE BEFORE PERFORMING FURTHER DIAG-
NOSIS OR SERVICE. THIS IS THE ONLY SURE
WAY TO DISABLE THE AIRBAG SYSTEM. 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 two mounting fasteners.

3. Using a trim stick, press the retaining clip at the

rear of the monitor (3). Move the monitor from side
to side to release from headliner (2).

4. Disconnect electrical harness connector (1) and

remove monitor.

INSTALLATION

1. Connect electrical harness connector (1) to monitor

(3).

2. Position monitor and press into place.

3. Install and tighten mounting fasteners.

4. Connect battery negative cable.

8A - 186

AUDIO/VIDEO - SERVICE INFORMATION

WK

PLAYER - DVD

DESCRIPTION

The video entertainment system, consist of:

•

Battery powered remote control

•

DVD player located at the end of the center
floor console

•

Two headsets

•

Video monitor located on the headliner

In addition to video DVDs, the system will
play audio DVDs, audio CDs, MP3 audio
disc, and video CDs. There are plug-in
jacks on the DVD player to show video
directly from a video camera, connect video
games for display on the screen, and play
music directly from a MP3 player.

REMOVAL

1. Disconnect and isolate the battery negative cable.

2. Using a trim stick, gently pry on the sides of the

DVD player and separate from console.

3. Disconnect electrical harness connector from DVD

player.

WK

AUDIO/VIDEO - SERVICE INFORMATION

8A - 187