Nissan Quest E52. Manual - part 147

 

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Nissan Quest E52. Manual - part 147

 

 

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-467

< SYSTEM DESCRIPTION >

[BOSE AUDIO WITH NAVIGATION]

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A Connecting Cable Between Units Is Displayed In Yellow.

CONFIRMATION/ADJUSTMENT MODE

1.

Start the diagnosis function and select “Confirmation/Adjustment”. The confirmation/adjustment mode
indicates where each item can be checked or adjusted.

2.

Select each switch on the “Confirmation/Adjustment Mode”
screen to display the relevant trouble diagnosis screen. Press
the “Back” switch to return to the initial Confirmation/Adjustment
Mode screen.

Screen switch

Description

Possible malfunction location / Action to 

take

Control Unit

Malfunction is detected in AV control unit 
power supply and ground circuits.

Check AV control unit power supply and 
ground circuits. When detecting no mal-
function in those components, replace AV 
control unit.
Refer to 

AV-610, "Removal and Installa-

tion"

.

Area with yellow connection lines

Description

Possible malfunction location / Action to 

take

Control unit 

 Front Display

Serial communication circuits between AV 
control unit and front display unit are mal-
functioning.

Serial communication circuits between AV 
control unit and front display unit.

Control unit 

 GPS Antenna

GPS antenna connection malfunctions de-
tected.

GPS antenna

Control unit 

 XM Antenna

Satellite radio antenna connection malfunc-
tion is detected.

Satellite radio antenna disconnection

Control unit 

 Video Dist.(Rear)

When either one of the following items are 
detected:
• Rear display unit power supply and 

ground circuits are malfunctioning.

• AV communication circuits between AV 

control unit and rear display unit are mal-
functioning.

• Rear display unit power supply and 

ground circuits.
Refer to 

AV-581, "REAR DISPLAY UNIT 

: Diagnosis Procedure"

.

• AV communication circuits between AV 

control unit and rear display unit.

JSNIA2483ZZ

AV-468

< SYSTEM DESCRIPTION >

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DIAGNOSIS SYSTEM (AV CONTROL UNIT)

Display Diagnosis

Vehicle Signals

A comparison check can be made of each actual vehicle signal and
the signals recognized by the system.

JSNIA2176GB

JSNIA3215ZZ

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-469

< SYSTEM DESCRIPTION >

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Speaker Test

Select “SPEAKER DIAGNOSIS” to display the Speaker Diagnosis
screen. Press “Start” to generate a test tone in a speaker. Press
“Start” to generate a test tone in the next speaker. Press “Stop” to
stop the test tones.

Climate Control

Refer to “HEATER & AIR CONDITIONING CONTROL SYSTEM” for details.

Navigation

STEERING ANGLE ADJUSTMENT
The steering angle output value detected with the gyroscope is
adjusted.

SPEED CALIBRATION

Diagnosis item

Display

Vehicle status

Remarks

Vehicle speed

ON

Vehicle speed >= 8 km/h (5 MPH)

Changes in indication may be delayed. This is normal.

OFF

Vehicle speed < 8 km/h (5 MPH)

Parking brake

ON

Parking brake is applied.

OFF

Parking brake is released.

Lights

ON

Block the light from the auto light 
optical sensor when the lighting 
switch is 1st or 2nd.

OFF

Either of the following conditions.
• Lighting switch is OFF
• Expose the auto light optical sen-

sor to light when the lighting 
switch is 1st or 2nd.

Ignition

ON

Ignition switch is ON.

OFF

Ignition switch is in ACC position.

Reverse

ON

Selector lever is in “R” position.

Changes in indication may be delayed. This is normal.

OFF

Selector lever is in other than “R” 
position.

Side view Switch

OFF

This item is displayed, but cannot be monitored.

Room Lamp

OFF

This item is displayed, but cannot be monitored.

JPNIA1828ZZ

JSNIA2179ZZ

AV-470

< SYSTEM DESCRIPTION >

[BOSE AUDIO WITH NAVIGATION]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

During normal driving, distance error caused by tire wear and tire
pressure change is automatically adjusted for by the automatic dis-
tance correction function. This function, on the other hand, is for
immediate adjustment, in cases such as driving with tire chain fitted
on tires.

Error History

The self-diagnosis results are judged depending on whether any error occurs from when “Self-diagnosis” is
selected until the self-diagnosis results are displayed.
However, the diagnosis results are judged normal if an error has occurred before the ignition switch is turned
ON and then no error has occurred until the self-diagnosis start. Check the “Error Record” to detect any error
that may have occurred before the self-diagnosis start because of this situation.
The error record displays the time and place of the most recent occurrence of that error. However, take note of
the following points.
• If there is a malfunction with the GPS antenna circuit board in the AV control unit, the correct date and time

of occurrence may not be able to be displayed.

• Place of the error occurrence is represented by the position of the current location mark at the time an error

occurred. If current location mark has deviated from the correct position, then the place of the error occur-
rence cannot be located correctly.

• The frequency of occurrence is displayed in a count up manner. The actual count up method differs depend-

ing on the error item. 

Count up method A
• The counter resets to 0 if an error occurs when ignition switch is turned ON. The counter increases by 1 if

the condition is normal at a next ignition ON cycle. 

• The counter upper limit is 39. Any counts exceeding 39 are ignored.“ The counter can be reset (no error

record display) with the “Delete log” switch or CONSULT.

Count up method B
• The counter increases by 1 if an error occurs when ignition switch is ON. The counter will not decrease even

if the condition is normal at the next ignition ON cycle. 

• The counter upper limit is 50. Any counts exceeding 50 are ignored. “ The counter can be reset (no error

record display) with the “Delete log” switch or CONSULT.

Error item

JSNIA2180ZZ

Display type of occur-

rence frequency

Error history display item

Count up method A

CAN communication line, control unit (CAN), AV communication line, control unit (AV)

Count up method B

Other than the above

JPNIA1788GB

 

 

 

 

 

 

 

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