2005 INFINITI FX35 Service Manual

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Page 633 of 4731

INFINITI FX35 2005 Service Manual AV-34
AUDIO
Revision: 2005 July 2005 FX
*1: BOSE system
*2: BASE system
Terminals and Reference Value for BOSE Speaker Amp.AKS005T8
Te r m i n a l
(Wire color) Item Signal
input/
output Conditi

Page 634 of 4731

INFINITI FX35 2005 Service Manual AUDIO AV-35
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Revision: 2005 July 2005 FX
24 (L) 23 (B/W) Audio sound
signal
(Rear RH) Input ACC
Receive audio
signal No sound from rear
door speaker R

Page 635 of 4731

INFINITI FX35 2005 Service Manual AV-36
AUDIO
Revision: 2005 July 2005 FX
Terminals and Reference Value for A/C and AV SwitchAKS00A2B
Terminal No.
(Wire color) Item Signal
input/
output Condition
Voltage Example of
symptom

Page 636 of 4731

INFINITI FX35 2005 Service Manual AUDIO AV-37
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Terminals and Reference Value for WooferAKS00AM2
A/C and AV Switch Self-Diagnosis FunctionAKS007OE
It can check ON/OFF o

Page 637 of 4731

INFINITI FX35 2005 Service Manual AV-38
AUDIO
Revision: 2005 July 2005 FX
Trouble DiagnosisAKS005TB
The majority of the audio malfunctions are the result of outside causes (bad CD/cassette, electromagnetic
interference, etc.). Check

AV-38
AUDIO
Revision: 2005 July 2005 FX
Trouble DiagnosisAKS005TB
The majority of the audio malfunctions are the result of outside causes (bad CD/cassette, electromagnetic
interference, etc.). Check the inspection items below to diagnose the malfunction.
MALFUNCTION WITH RADIO, TAPE AND CD
Symptom Possible cause
Inoperative
Audio power supply circuit. Refer to AV-41, "Power Supply Circuit Inspection" .
Audio communication line check (Without Navigation System). Refer to AV-82,
"Audio Communication Line Inspection" .
Audio communication line check (With Navigation System). Refer to AV-149, "AV
Communication Line Check (Between Display Control Unit and NAVI Control Unit)"
.
A/C and AV switch check. Refer to AV- 4 4 , "A/C and AV Switch Inspection" .
If above systems are OK, replace audio unit.
Audio steering wheel switch does not operate.
Audio steering wheel switch check. Refer to AV-42, "Audio Steering Wheel Switch
Inspection" .
If above systems are OK, replace audio unit.
Audio display is not shown.
Audio communication line check (Without Navigation System). Refer to AV-82,
"Audio Communication Line Inspection" .
Audio communication line check (With Navigation System). Refer to AV-150,
"Audio Communication Line Check (Between Display Control Unit and Audio Unit)"
.
If above systems are OK, replace audio unit.
All speaker do not sound.
Replace audio unit (Base system). Refer to AV-47, "Removal and Installation of
Audio Unit" .
BOSE speaker amp. power supply. Refer to AV- 4 1 , "Power Supply Circuit Inspec-
tion" .
BOSE speaker amp. circuit. Refer to AV- 4 4 , "BOSE Speaker Amp. Inspection" .
If above systems are OK, replace BOSE speaker amp.
Speed sensitive volume system dose not work.
Vehicle speed signal check. Refer to AV- 4 5 , "Vehicle Speed Signal Inspection" .
If above system is OK, replace audio unit.
Poor sound
Replace audio unit (Base system). Refer to AV-47, "Removal and Installation of
Audio Unit" .
BOSE speaker amp (BOSE system). check. Refer to AV- 4 4 , "BOSE Speaker Amp.
Inspection" .
If above systems are OK, replace BOSE speaker amp.
Noisy
Noise check. Refer to AV- 4 0 , "Noise Inspection" .
If above systems are OK, replace audio unit.

Page 638 of 4731

INFINITI FX35 2005 Service Manual AUDIO AV-39
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Revision: 2005 July 2005 FX
FOR RADIO ONLY
NOTE:
1. The cause is a reduction in the receiving sensitivity of the window antenna.
2. This is noise

AUDIO AV-39
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Revision: 2005 July 2005 FX
FOR RADIO ONLY
NOTE:
1. The cause is a reduction in the receiving sensitivity of the window antenna.
2. This is noise resulting from variations in field strength, such as fading noise and multi-path noise, or exter- nal 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 the waves sent directly from the broadcast station arriving at the
antenna at a different time from the waves which reflect off of mountains or buildings.
FOR CASSETTE PLAYER ONLY
FOR CD ONLY
Symptom Possible cause
No sound
Antenna feeder check (For open or short). Refer to AV-54, "Location of Antenna" .
Window antenna check. Refer to AV-54, "CHECK ELEMENT" .
If above systems are OK, replace audio unit.
Noisy
Antenna feeder check (For open or short). Refer to AV-54, "Location of Antenna" .
Antenna amp. check. Refer to AV-53, "Antenna Amp. Inspection" .
Window antenna check. Refer to AV-54, "CHECK ELEMENT" .
Noise prevention parts check.
Each electrical equipment check.
Wire harness of each piece of electrical equipment check.
If above systems are OK, replace antenna amp.
Selected radio stations stored in memory are
deleted.
Replace audio unit.
Symptom Possible cause
Cassette tape cannot be inserted.
Audio unit. Refer to AV-47, "Removal and Installation of Audio Unit" .
Cassette tape.
Cassette tape cannot be ejected.
Auto reverse does not work, or the tape direction changes
in the middle of play.
Audio unit. Refer to AV-47, "Removal and Installation of Audio Unit" .
There is much noise.
The sound is not clear.
Sound fluctuates/tape speed not correct
No sound.
Symptom Possible cause
CD cannot be inserted.
Audio unit. Refer to AV-47, "Removal and Installation of Audio Unit" .
CD cannot be ejected.
The CD cannot be played.
The sound skips, stops suddenly, or is distorted.

Page 639 of 4731

INFINITI FX35 2005 Service Manual AV-40
AUDIO
Revision: 2005 July 2005 FX
Noise InspectionAKS005TC
The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunction.
Check if noise is caused

Page 640 of 4731

INFINITI FX35 2005 Service Manual AUDIO AV-41
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Revision: 2005 July 2005 FX
Power Supply Circuit InspectionAKS005TD
1. CHECK FUSE
Check that the following fuses of the BOSE speaker amp., woofer,

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