Infiniti QX56 (Z62). Manual — part 87
AV-202
< SYMPTOM DIAGNOSIS >
MULTI AV SYSTEM SYMPTOMS
RELATED TO RGB IMAGE
RELATED TO VOICE CONTROL
RELATED TO AUDIO
Symptoms
Check items
Probable malfunction location / Action to
take
The malfunction is detected in the sonar in-
dicator
(Always displayed in red)
The malfunction is detected in only 1 indica-
tor (Always displayed in red).
• Corner sensor malfunction in corre-
sponding area.
• Corner sensor harness circuit in corre-
sponding area.
Perform CONSULT-III “self-diagnosis” of
“SONAR”. Refer to
The malfunction is detected in all 4 indicators
(Always displayed in red).
• Corner sensor ground circuit malfunc-
tion.
Perform CONSULT-III “self-diagnosis” of
“SONAR”. Refer to
• Sonar control unit power supply and
ground circuits malfunction.
• AV communication circuits malfunc-
tion.
Perform CONSULT-III “self-diagnosis” of
“MULTI AV”. Refer to
.
Symptoms
Check items
Probable malfunction location
RGB image is not shown.
—
RGB digital image signal circuit malfunction.
Refer to
.
Symptoms
Check items
Probable malfunction location
The voice cannot be controlled
even if the voice control screen
is displayed.
Voice sounds at “Voice Microphone Test”
of Confirmation/Adjustment mode.
AV control unit malfunction.
Replace AV control unit. Refer to
Voice does not sound at “Voice Micro-
phone Test” of Confirmation/Adjustment
mode.
Microphone circuit malfunction.
Refer to
.
The voice cannot be controlled
(Voice control screen is not dis-
played).
• Hands-free phone system can be oper-
ated.
• Steering switch's “SOURCE”, “MENU
UP”, “MENU DOWN” and “ENTER”
switch works, but “
” it does not work.
Steering switch malfunction.
Replace steering wheel. Refer to
.
Steering switch's “SOURCE”, “MENU
UP”, “MENU DOWN”, “
” and “ENTER”
switches do not work.
Steering switch signal A circuit malfunction.
Refer to
.
None of the steering switch operations
work.
Steering switch ground circuit malfunction.
Refer to
.
Symptoms
Check items
Probable malfunction location
The disk cannot be removed.
—
Disk eject signal circuit malfunction.
Refer to
.
Audio sound is not heard.
No sound from all speakers.
• Amp. ON signal circuit malfunction.
• BOSE amp. power supply and ground circuits malfunc-
tion.
Sound is not heard from woofer.
• Woofer power supply and ground circuit malfunction.
• Sound signal (woofer) circuit malfunction.
Sound is heard only from specific places.
Sound signals circuit of suspect system.
AV
MULTI AV SYSTEM SYMPTOMS
AV-203
< SYMPTOM DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
RELATED TO STEERING SWITCH
RELATED TO USB
NOTE:
Check that there is no malfunction of USB equipment main body before performing a diagnosis.
iPod
®
is a trademark of Apple inc., registered in the U.S. and other countries.
RELATED TO DVD MODE
RELATED TO FRONT AUXILIARY INPUT
It does not change to “Driver's
Audio Stage” mode.
—
Mode change signal circuit malfunction.
Refer to
Satellite radio is not received.
There is malfunction in the CONSULT-III
self-diagnosis result.
Refer to
Perform detected DTC diagnosis.
Refer to
.
There is no malfunction in the CON-
SULT-III self-diagnosis result.
Refer to
Perform the following inspection procedure.
1.
Check satellite radio antenna mounting nut for
looseness.
NOTE:
Tightening torque: 6.5 N-m (0.66 kg-m, 58 in-lb)
2.
Visually check for satellite radio antenna feeder.
AM/FM radio is not received.
Other audio sounds are normal.
• Antenna amp. ON signal circuit malfunction.
• Antenna feeder malfunction.
Symptoms
Check items
Probable malfunction location
Symptoms
Probable malfunction location
None of the steering switch operations work.
Steering switch ground circuit malfunction.
Refer to
.
Only specified switch cannot be operated.
Steering switch malfunction.
Replace steering wheel. Refer to
.
Steering switch's “SOURCE”, “MENU UP”, “MENU DOWN“,
“
” and “ENTER” switches do not work.
Steering switch signal A circuit malfunction.
Refer to
.
Steering switch's “
”, “VOL UP”, “VOL DOWN” and “
”
switches do not work.
Steering switch signal B circuit malfunction.
Refer to
.
Symptoms
Check items
Possible malfunction location / Action to take
iPod
®
or USB memory can not
be recognized.
—
• USB harness malfunction.
• USB connector malfunction.
Symptoms
Check items
Probable malfunction location
The disk cannot be removed.
—
Disk eject signal circuit malfunction.
Refer to
.
DVD image is not displayed.
Front display unit, headrest display unit
LH and RH are not displayed.
Perform CONSULT-III self-diagnosis.
Refer to
.
Headrest display unit LH and RH are nor-
mal.
Composite image signal circuit between AV control unit
and front display unit.
Refer to
.
Front display unit is normal.
Refer to “RELATED TO HEADREST DISPLAY UNIT
AND REAR AUXILIARY INPUT”
DVD sound is not heard.
No sound from all speakers.
• Amp. ON signal circuit malfunction.
• BOSE amp. power supply and ground circuits mal-
function.
Sound is not heard from woofer.
• Woofer power supply and ground circuit malfunction.
• Sound signal (woofer) circuit malfunction.
Sound is heard only from specific places.
Sound signals circuit of suspect system.
AV-204
< SYMPTOM DIAGNOSIS >
MULTI AV SYSTEM SYMPTOMS
NOTE:
Check that there is no malfunction of AUX equipment main body before performing a diagnosis.
RELATED TO HEADPHONE
NOTE:
Check that the remaining amount of the headphone battery is sufficient to perform diagnosis.
RELATED TO HEADREST DISPLAY UNIT AND REAR AUXILIARY INPUT
NOTE:
• Check that there is no malfunction of AUX equipment main body before performing a diagnosis.
• Check that the remaining amount of the rear seat remote controller battery is sufficient to perform diagnosis.
Symptoms
Check items
Probable malfunction location
No voice sound is heard when
front AUX mode is selected.
Voice sound is heard when other modes
are selected.
AUX sound signal circuit between front auxiliary input
jacks and AV control unit.
Image is not displayed when
front AUX mode is selected.
DVD image is displayed on front display
unit, headrest display unit LH and RH.
AUX image signal circuit between front auxiliary input
jacks and AV control unit.
Refer to
Headrest display unit LH and RH are nor-
mal.
Composite image signal circuit between AV control unit
and front display unit.
Refer to
Front display unit is normal.
Refer to “RELATED TO HEADREST DISPLAY UNIT
AND REAR AUXILIARY INPUT”
Symptoms
Check items
Probable malfunction location
Sound does not come from
headrest display units of both
side.
The indicator lamp of headphone is illumi-
nated.
Sound signal circuit between AV control unit and video
distributor.
The indicator lamp of headphone is not il-
luminated.
Headphone malfunction
Sound does not come from
headrest display unit LH (RH).
The LED for headphones sound transmis-
sion of headrest display unit is illuminated.
Headphone sound signal circuit between video distribu-
tor and headrest display unit LH (RH).
The LED for headphone sound transmis-
sion of headrest display unit is not illumi-
nated.
Replace headrest display unit LH (RH).
Refer to
Symptoms
Check items
Probable malfunction location / Action to
take
Headrest display unit cannot
be powered on for both side.
Headrest display unit can be powered on by “Rear dis-
play” in “Settings” menu of front display unit.
Rear seat remote controller malfunction
• Headrest display unit
can not be powered
on by “Rear display”
in “Settings” menu of
front display unit.
• Check “Display Loca-
tion” in diagnosis
function of headrest
display unit LH.
Refer to
Diagnosis result is normal.
• AV communication circuits between AV
control unit and headrest display unit LH.
• Video distributor power supply and
.
Diagnosis result is not nor-
mal.
Location recognition signal circuit between
headrest display unit LH and ground.
Refer to
.
Diagnosis function cannot
be started.
Headrest display unit LH power supply and
ground circuits.
Refer to
AV
MULTI AV SYSTEM SYMPTOMS
AV-205
< SYMPTOM DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Headrest display unit RH can-
not be powered on.
• Headrest display unit
LH is normal.
• Check “Display Loca-
tion” in diagnosis
function of headrest
display unit RH.
Refer to
Diagnosis result is normal.
AV communication circuits between head-
rest display unit LH and headrest display
unit RH.
Diagnosis result is not nor-
mal.
Location recognition signal circuit between
headrest display unit RH and ground.
Refer to
.
Diagnosis function cannot
be started.
Headrest display unit RH power supply and
ground circuits.
Refer to
DVD, USB and front AUX im-
age cannot be played on
headrest display unit of both
side.
• Front display unit is normal.
• Rear AUX image is normal.
Composite image signal circuit between AV
control unit and video distributor.
Refer to
.
Rear AUX image cannot be
played on headrest display
unit of both side.
DVD, USB and front AUX images are normal.
AUX image signal circuit between rear aux-
iliary input jacks and video distributor.
Refer to
.
DVD, USB, and front AUX im-
age cannot be played only on
headrest display unit LH
(RH).
—
Composite image signal circuit between
video distributor and headrest display unit
LH (RH).
Refer to
.
It does not change to DVD
USB and front AUX mode
only on headrest display unit
LH (RH).
Rear AUX image is normal.
Image switch signal circuit between head-
rest display unit LH (RH) and video distribu-
tor.
Refer to
.
Menu is not displayed on
headrest display LH (RH).
—
Replace headrest display unit LH (RH).
Refer to
.
Symptoms
Check items
Probable malfunction location / Action to
take
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