Nissan Quest E52. Manual - part 129

AV

MULTI AV SYSTEM SYMPTOMS

AV-395

< SYMPTOM DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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RELATED TO REAR VIEW MONITOR

RELATED TO RGB IMAGE

Symptoms

Check items

Probable malfunction location

Does not recognize cellular 
phone connection. (No con-
nection is displayed on the dis-
play at the guide.)

Repeat the registration of cellular phone.

TEL adapter unit malfunction.
Refer to 

AV-420, "Removal and Installation"

.

Hands-free phone cannot be 
established.

Both the reception and the speech cannot 
be performed

• Perform CONSULT self-diagnosis.

Refer to 

AV-304, "CONSULT Function"

.

• No malfunction.

TEL adapter unit malfunction.
Refer to 

AV-420, "Removal and Installation"

.

• Malfunction is detected. 

Perform detected DTC self-diagnosis.
Refer to 

AV-316, "DTC Index"

.

The other party's voice cannot 
be heard by hands-free phone.

The operation of the “

 

” switch can 

be performed.

TEL voice signal circuit malfunction between TEL adapt-
er unit and AV control unit.

The operation of the “

 

” switch can-

not be performed.

Control signal circuit malfunction.
Refer to 

AV-387, "Diagnosis Procedure"

.

Originating sound is not heard 
by the other party with hands-
free phone communication.

Sound operation function is normal.

TEL adapter unit malfunction.
 Refer to 

AV-420, "Removal and Installation"

.

Sound operation function does not work.

Microphone signal circuit malfunction.
Refer to 

AV-385, "Diagnosis Procedure"

.

The system cannot be operat-
ed.

“SOURCE”, “MENU UP”, and “MENU 

DOWN” switches are operated. But “

 

” switch is not operated.

Steering switch malfunction.
Replace steering wheel. Refer to 

ST-12, "Removal and 

Installation"

.

“SOURCE”, “MENU UP”, “MENU DOWN” 

and “

 

” switches are not operated.

Steering switch signal B circuit malfunction.
Refer to 

AV-390, "Diagnosis Procedure"

.

All steering switches do not work.

Steering switch ground circuit malfunction.
Refer to 

AV-392, "Diagnosis Procedure"

.

Symptoms

Check items

Probable malfunction location

Camera image is not shown.
(Vehicle width and possible 
route line is displayed.)

DVD image is displayed.

Camera image signal circuit.
Refer to 

AV-382, "Diagnosis Procedure"

.

DVD image is not displayed.

Composite image signal circuit malfunction between AV 
control unit and front display unit.
Refer to 

AV-379, "Diagnosis Procedure"

.

Camera image is not shown.
(displayed in black and nothing 
can be displayed)

—

• Horizontal synchronizing (HP) signal circuit.

Refer to 

AV-377, "Diagnosis Procedure"

.

• Vertical synchronizing (VP) signal circuit.

Refer to 

AV-378, "Diagnosis Procedure"

.

Camera image does not switch.

“Reverse” is not turned ON on “Vehicle 
Signals” screen of “Confirmation/Adjust-
ment”.

Reverse signal circuit malfunction.

“Reverse” is turned ON on “Vehicle Sig-
nals”screen of “Confirmation/Adjustment”.

AV control unit malfunction.
Replace AV control unit. Refer to 

AV-404, "Removal and 

Installation"

.

AV-396

< SYMPTOM DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

MULTI AV SYSTEM SYMPTOMS

RELATED TO AUDIO

Symptoms

Check items

Possible malfunction location / Action to take

RGB image is not shown.

There is malfunction in the CONSULT 
“self-diagnosis result” of “MULTI AV”.
Refer to 

AV-304, "CONSULT Function"

.

Perform detected DTC diagnosis.
Refer to 

AV-316, "DTC Index"

.

There is no malfunction in CONSULT 
“self-diagnosis results” of “MULTI AV”.
Refer to 

AV-304, "CONSULT Function"

.

Vertical synchronizing (VP) signal circuit.
Refer to 

AV-378, "Diagnosis Procedure"

.

Color of RGB image is not 
proper.

Light blue (Cyan) tint.

RGB signal (R: red) circuit.
Refer to 

AV-372, "Diagnosis Procedure"

.

Purple (Magenta) tint.

RGB signal (G: green) circuit.
Refer to 

AV-373, "Diagnosis Procedure"

.

Screen looks yellowish.

RGB signal (B: blue) circuit.
Refer to 

AV-374, "Diagnosis Procedure"

.

RGB screen is rolling.

—

RGB synchronizing signal circuit.
Refer to 

AV-375, "Diagnosis Procedure"

.

Fuel economy display is mal-
functioning.

There is malfunction in the CONSULT 
“self-diagnosis result” of “MULTI AV”.
Refer to 

AV-304, "CONSULT Function"

.

Perform detected DTC diagnosis.
Refer to 

AV-316, "DTC Index"

.

There is no malfunction in CONSULT 
“self-diagnosis results” of “MULTI AV”.
Refer to 

AV-304, "CONSULT Function"

.

Ignition signal circuit malfunction. (AV control unit)

Symptoms

Check items

Probable malfunction location

The disk cannot be removed.

—

Disk eject signal circuit malfunction.
Refer to 

AV-384, "Diagnosis Procedure"

.

No sound comes out or the lev-
el of the sound is low.

No sound from all speakers.

• BOSE amp. ON signal circuit malfunction.
• BOSE amp. power supply and ground circuits malfunc-

tion.
Refer to 

AV-369, "BOSE AMP. : Diagnosis Procedure"

.

Sound is not heard from woofer.

Sound signal (woofer) circuit malfunction.

Only a certain speaker (front right, front 
left, rear right, or rear left, etc.) does not 
output sound.

• Poor connector connection of speaker.
• Sound signal circuit malfunction between AV control 

unit and BOSE amp.

• Sound signal circuit malfunction between BOSE amp. 

and speaker.

• Malfunction in speaker.
• Malfunction in AV control unit.
• Malfunction in BOSE amp.

Noise is mixed with audio. 

Noise comes out from all speakers.

• Malfunction in AV control unit.
• Malfunction in BOSE amp.

Noise comes out only from a certain 
speaker (front right, front left, rear right, 
or rear left, etc.).

• Poor connector connection of speaker.
• Sound signal circuit malfunction between AV control 

unit and BOSE amp.

• Sound signal circuit malfunction between BOSE amp. 

and speaker.

• Malfunction in speaker.
• Poor installation of speaker (e.g. backlash and loose-

ness)

• Malfunction in AV control unit.
• Malfunction in BOSE amp.

Noise is mixed with radio only (when the 
car hits a bump or while driving over bad 
roads).

Poor connector connection of antenna or antenna feeder.

AV

MULTI AV SYSTEM SYMPTOMS

AV-397

< SYMPTOM DIAGNOSIS >

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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 AUXILIARY INPUT

NOTE:
Check that there is no malfunction of AUX equipment main body before performing a diagnosis.

Radio is not received or poor 
reception.

• Other audio sounds are normal.
• Any radio cannot be received or poor 

reception is caused even after moving 
to a service area with good reception 
(e.g. a place with clear view and no ob-
stacles generating external noises). 

• Antenna amp. ON signal circuit malfunction.
• Poor connector connection of antenna or antenna feed-

er. 

Satellite radio is not received.

There is malfunction in the CONSULT 
self-diagnosis result.
Refer to 

AV-304, "CONSULT Function"

.

• Malfunction in antenna, antenna feeder, or AV control 

unit. Perform DTC diagnosis. Refer to 

AV-316, "DTC In-

dex"

.

• Poor continuity in antenna feeder. 
• Poor connector connection of antenna or antenna feed-

er.

There is no malfunction in the CONSULT 
self-diagnosis result.
Refer to 

AV-304, "CONSULT Function"

.

• Poor continuity in antenna feeder. 
• Poor connector connection of antenna or antenna feed-

er.

• Loose satellite radio antenna mounting nut.

Refer to 

AV-425, "Exploded View"

.

Symptoms

Check items

Probable malfunction location

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 

AV-384, "Diagnosis Procedure"

.

DVD image is not displayed.

Front display unit and rear display unit are 
not displayed.

Perform “Self Diagnostic Result” of “MULTI AV” with 
CONSULT. Refer to 

AV-304, "CONSULT Function"

.

Rear display unit is normal.

Composite image signal circuit between AV control unit 
and front display unit.
Refer to 

AV-379, "Diagnosis Procedure"

.

Front display unit is normal.

Composite image signal circuit between AV control unit 
and rear display unit.
Refer to 

AV-380, "Diagnosis Procedure"

.

DVD sound is not heard.

No sound from all speakers.

• Amp. ON signal circuit malfunction.
• BOSE amp. power supply and ground circuits mal-

function.
Refer to 

AV-369, "BOSE AMP. : Diagnosis Procedure"

.

Sound is not heard from woofer.

• Woofer power supply and ground circuit malfunction.
• Sound signal (woofer) circuit malfunction.
• Woofer amp. ON signal circuit malfunction.

Sound is heard only from specific places.

Sound signals circuit of suspect system.

AV-398

< SYMPTOM DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

MULTI AV SYSTEM SYMPTOMS

RELATED TO REAR DISPLAY

Perform the diagnosis of the following items before starting diagnosis by symptom.
• Self-diagnosis: Refer to 

AV-304, "CONSULT Function"

.

• Self-diagnosis mode: Refer to 

AV-295, "On Board Diagnosis Function"

.

• Power supply system: Refer to 

AV-368, "REAR DISPLAY UNIT : Diagnosis Procedure"

.

*: To check infrared, check light of the luminescent part (LED)
through the lens of digital camera when operating the remote.

RELATED TO HEADPHONE

Symptoms

Check items

Probable malfunction location

No voice sound is heard when 
AUX mode is selected.

Voice sound is heard when other modes 
are selected.

AUX sound signal circuit.

Image is not displayed when 
AUX mode is selected.

Front display unit and rear display unit are 
not displayed.

Perform “Self Diagnostic Result” of “MULTI AV” with 
CONSULT. Refer to 

AV-304, "CONSULT Function"

.

DVD image is displayed on front display 
unit and rear display unit.

AUX image signal circuit malfunction.
Refer to 

AV-381, "Diagnosis Procedure"

.

Rear display unit is normal.

Composite image signal circuit between AV control unit 
and front display unit.
Refer to 

AV-379, "Diagnosis Procedure"

.

Front display unit is normal.

Composite image signal circuit between AV control unit 
and rear display unit.
Refer to 

AV-380, "Diagnosis Procedure"

.

Symptom

Check Item

Possible malfunction location / Action to take

Rear display cannot 
be opened.

Use the touch button in 
the front display to 
open/close the rear dis-
play.

Operable.

Operate with the remote to see if rear display opens.

Inoperative.

Replace rear display.

Inoperative with the 
remote.

All keys inoperative.

•  Check by touching 

and check battery 
polarity.

•  Replace battery.

•  Check with a remote from the same vehicle family.
•  Check infrared* of the luminescent part (LED) of the re-

mote.

Some keys inoperative.

•  Check with a re-

mote from the same 
vehicle family.

•  Check infrared* of 

the luminescent part 
(LED) of the remote.

The function corresponding to the remote operation is not 
included.
(This is not a malfunction.)

Rear display screen 
is black.

Play a DVD.

Screen is dark.

Adjust screen for image quality.
(This is not a malfunction.)

Screen is black

Replace rear display.

Video shown on rear 
display screen be-
comes distorted or 
rolls up/down.

Adjust the color and image settings using the dis-
play screen menu items.

If the symptom does not change, replace rear display.

Rear display screen 
is blue.

—

Replace rear display.

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