2003 NISSAN TEANA Service Manual

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Page 537 of 3502

NISSAN TEANA 2003 Service Manual AUDIO (WITH INTEGRATED DISPLAY SYSTEM)
AV-9
C
D
E
F
G
H
I
J
L
MA
B
AV

TKWM4657E

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NISSAN TEANA 2003 Service Manual AV-10
AUDIO (WITH INTEGRATED DISPLAY SYSTEM)

TKWM4658E

Page 539 of 3502

NISSAN TEANA 2003 Service Manual AUDIO (WITH INTEGRATED DISPLAY SYSTEM)
AV-11
C
D
E
F
G
H
I
J
L
MA
B
AV

Terminals and Reference Value for Audio UnitBKS0020L
Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference value
+

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NISSAN TEANA 2003 Service Manual AV-12
AUDIO (WITH INTEGRATED DISPLAY SYSTEM)

Terminals and Reference Value for A/C and AV SwitchBKS0020N
Terminals and Reference Value for Display UnitBKS0020O
Refer to AV- 5 2 , "Terminals and Ref

Page 541 of 3502

NISSAN TEANA 2003 Service Manual AUDIO (WITH INTEGRATED DISPLAY SYSTEM)
AV-13
C
D
E
F
G
H
I
J
L
MA
B
AV

A/C and AV Switch Self-Diagnosis FunctionBKS0020P
Performing self-diagnosis makes it possible to check operation of A/C and AV

Page 542 of 3502

NISSAN TEANA 2003 Service Manual AV-14
AUDIO (WITH INTEGRATED DISPLAY SYSTEM)

Symptom ChartBKS0020Q
The majority of the audio malfunctions are the result of outside causes (bad CD, electromagnetic interfer-
ence, etc.). Check the

AV-14
AUDIO (WITH INTEGRATED DISPLAY SYSTEM)

Symptom ChartBKS0020Q
The majority of the audio malfunctions are the result of outside causes (bad CD, electromagnetic interfer-
ence, etc.). Check the symptoms below to diagnose the malfunction.
The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunction-
ing. Check if noise is caused and/or changed by engine speed, ignition switch turned to each position, and
operation of each piece of electrical equipment, and then determine the cause.
CD-R is not guaranteed to play because they can contain compressed audio (MP3, WMA) or could be
incorrectly mastered by the customer on a computer.
Check if the CDs carry the Compact Disc Logo. If not, the disc is not mastered to the “red book” Compact
Disc Standard and may not play.
Make sure that other operation except audio system can be performed with A/C and AV switch. If these
operations are inoperative with A/C and AV switch, refer to AV- 5 8 , "
Unable to Operate System with A/C
and AV Switch" .
NOTE:
Noise resulting from variations in field strength, such as fading noise and multi-path noise, or external noise
from trains and other sources. It is not a malfunction.
Fading noise: This noise occurs because of variations in the field strength in a narrow range due to moun-
tains or buildings blocking the signal.
Multi-path noise: This noise results from a time difference between the broadcast waves directly from the
station arriving at the antenna and the waves reflected by mountains or buildings.
Symptom Possible malfunction location
Audio system does not work properly.
Audio unit power supply circuit
Communication signal circuit between audio unit and display unit
A/C and AV switch
Audio unit
No sound can be heard from all speakers. Audio unit
No sound can be heard from one or several speakers.
Audio signal circuit between audio unit and speaker
Speaker
Tw e e te r
Audio unit
No sound can be heard from radio or noise is caught.
Antenna amp. ON signal circuit
Antenna feeder
Rear window antenna
Antenna amp.
Audio unit

Page 543 of 3502

NISSAN TEANA 2003 Service Manual AUDIO (WITH INTEGRATED DISPLAY SYSTEM)
AV-15
C
D
E
F
G
H
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MA
B
AV

Removal and Installation of Audio UnitBKS0020Z
REMOVAL
1. Remove instrument panel finishers (C, D). Refer to IP-10, "INSTRUMENT

Page 544 of 3502

NISSAN TEANA 2003 Service Manual AV-16
AUDIO (WITH INTEGRATED DISPLAY SYSTEM)

4. Remove screws (2) and remove unified meter and A/C amp.
from bracket.
5. Remove screws (2) and remove audio unit with bracket.
6. Remove screws (4) an

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