Jeep Liberty KJ. Manual — part 1399

AUDIO/VIDEO

TABLE OF CONTENTS

page

page

AUDIO/VIDEO - ELECTRICAL DIAGNOSTICS . . . . . 1

AUDIO/VIDEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

AUDIO/VIDEO - ELECTRICAL DIAGNOSTICS

TABLE OF CONTENTS

page

page

AUDIO/VIDEO - ELECTRICAL DIAGNOSTICS

DIAGNOSIS AND TESTING

ALL OUTPUTS SHORT - BASE AUDIO

SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

ALL OUTPUTS SHORT - PREMIUM AUDIO

SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

CASSETTE PLAYER INOP . . . . . . . . . . . . . . . . . . . 10
CD CHANGER MECHANICAL FAILURE . . . . . . . 11
CD CHANGER READ FAILURE . . . . . . . . . . . . . . . 12
CD CHANGER TEMPERATURE HIGH . . . . . . . . . 13
CD PLAY FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . . 14

CD READ FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . 15
CD TEMPERATURE HIGH . . . . . . . . . . . . . . . . . . . 16
LOW VOLTAGE LEVEL . . . . . . . . . . . . . . . . . . . . . . 17
NO ANTENNA CONNECTION . . . . . . . . . . . . . . . . 18
*POOR SOUND QUALITY . . . . . . . . . . . . . . . . . . . . 19
POWER AMP SHUTDOWN - BASE AUDIO

SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

POWER AMP SHUTDOWN - PREMIUM

AUDIO SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

*REMOTE RADIO SWITCHES INOPERATIVE

(IF EQUIPPED). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

KJ

AUDIO/VIDEO

8A - 1

AUDIO/VIDEO - ELECTRICAL DIAGNOSTICS

DIAGNOSIS AND TESTING

8A - 2

AUDIO/VIDEO - ELECTRICAL DIAGNOSTICS

KJ

ALL OUTPUTS SHORT - BASE AUDIO SYSTEM

For a complete wiring diagram Refer to Section 8W

•

When Monitored:
Ignition in RUN and IOD fuse installed.

•

Set Condition:
The radio has sensed a short on the output for more than 10 seconds.

Possible Causes

LEFT I/P SPEAKER

LEFT FRONT DOOR SPEAKER

RIGHT I/P SPEAKER

RIGHT FRONT DOOR SPEAKER

LEFT REAR SPEAKER

RIGHT REAR SPEAKER

(+) CIRCUIT SHORTED TO GROUND

SPEAKER SECTION OF RADIO

(-) CIRCUIT SHORTED TO GROUND

SPEAKER (+) & (-) CIRCUITS SHORTED TOGETHER

Diagnostic Test

1.

DETERMINE FAULT

Turn the ignition on.

Turn the Radio on.

With the Scan Tool, erase the audio DTC’s.

Cycle the ignition switch from off to on and wait 10 seconds.

With the Scan Tool , read the audio DTC’s.

Does the Scan Tool display ALL OUTPUTS SHORT?

Yes

>> Go To 2

No

>> Refer to the wiring diagrams located in the service information to help isolate a possible intermittent

short.

Perform BODY VERIFICATION TEST - VER 1.

2.

LEFT I/P SPEAKER

Turn the ignition off.

Disconnect the Left I/P Speaker harness connector.

Turn the ignition on.

Turn the radio on.

With the Scan Tool , erase the audio DTCs.

Cycle the ignition switch from off to on and wait 10 seconds.

With the Scan Tool, read DTC’s.

Does the Scan Tool display ALL OUTPUTS SHORT?

Yes

>> Go To 3

No

>> Replace the Left I/P Speaker.

Perform BODY VERIFICATION TEST - VER 1.

KJ

AUDIO/VIDEO - ELECTRICAL DIAGNOSTICS

8A - 3