AUDIO/VIDEO
TABLE OF CONTENTS
page page
AUDIO
DESCRIPTION ..........................1
OPERATION ............................1
DIAGNOSIS AND TESTING - AUDIO ..........1
AMPLIFIER
DESCRIPTION ..........................3
OPERATION ............................3
REMOVAL .............................4
INSTALLATION ..........................4
ANTENNA
DESCRIPTION ..........................4
OPERATION ............................4
DIAGNOSIS AND TESTING - ANTENNA .......4
REMOVAL .............................5
ANTENNA MODULE
DESCRIPTION ..........................5
OPERATION ............................5
DIAGNOSIS AND TESTING - ANTENNA
MODULE .............................5
REMOVAL .............................5
INSTALLATION ..........................6
INSTRUMENT PANEL ANTENNA CABLE
REMOVAL .............................6
INSTALLATION ..........................6
RADIO
DESCRIPTION ..........................6
OPERATION ............................7
REMOVAL .............................7
INSTALLATION ..........................7
RADIO NOISE SUPPRESSION COMPONENTS
DESCRIPTION ..........................7
OPERATION ............................8
REMOVAL .............................8
SPEAKER
DESCRIPTION ..........................8
OPERATION ............................8
DIAGNOSIS AND TESTING - SPEAKER .......8
REMOVAL .............................10
INSTALLATION .........................10
AUDIO
DESCRIPTION
The audio system uses an ignition switched source
of battery current so that the system will only oper-
ate when the ignition switch is in the RUN or
ACCESSORY positions.
The audio system includes the following compo-
nents:
• Antenna integral to the windshield
• Power amplifier
• Radio noise suppression components
• Radio receiver
• Speakers
Certain functions and features of the audio system
rely upon resources shared with other electronic
modules in the vehicle over the Programmable Com-
munication Interface (PCI) bus network. The data
bus network allows the sharing of sensor informa-
tion. For diagnosis of these electronic modules or of
the data bus network, the use of a scan tool and the
proper Diagnostic Procedures manual is recom-
mended.
Refer to the appropriate wiring information.
OPERATION
The audio system components are designed to pro-
vide audio entertainment and information through
the reception, tuning and amplification of locally
broadcast radio signals in both the Amplitude Modu-
lating (AM) and Frequency Modulating (FM) com-
mercial frequency ranges.
The audio system components operate on battery
current received through a fuse in the Power Distri-
bution Center (PDC). It is on a fused ignition switch
output (run-acc) circuit so that the system will only
operate when the ignition switch is in the Run or
Accessory positions.
DIAGNOSIS AND TESTING - AUDIO
Any diagnosis of the Audio system should
begin with the use of scan tool and the appro-
priate Diagnostic Service Manual.
Refer to the appropriate wiring information.
ZB AUDIO/VIDEO 8A - 1
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