Nissan Rogue. Manual - part 7

AV-20

< SYSTEM DESCRIPTION >

[DISPLAY AUDIO]

DIAGNOSIS SYSTEM (AUDIO UNIT)

2. Self diagnosis screen is displayed. The bar graph visible in center of screen indicates progress of self

diagnosis.

3. Diagnosis results are displayed after the self diagnosis is com-

pleted. The unit names and the connection lines are color coded

according to the diagnostic results.

1: Control unit (audio unit) is displayed in red.
• Replace audio unit if Self Diagnosis did not run because control unit malfunction is indicated. The symptom is audio unit internal

error. Refer to 

AV-67, "Removal and Installation"

.

• If multiple errors occur at the same time for a single unit, the screen switch colors are determined according to the following order

of priority: red > gray.

4. Comments of self diagnosis results can be viewed in the diagno-

sis result screen.

Audio Unit Self Diagnosis Results

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Diagnosis results

Unit

Connection line

Normal

Green

Green

Connection malfunction

Gray

Yellow

Unit malfunction 

1

Red

Green

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Only Unit Part Is Displayed In Red

Screen switch

Description

Possible cause

Control unit

Malfunction is detected in audio unit power 
supply and ground circuits.

• Audio unit power supply or ground cir-

cuits.
Refer to 

AV-47, "AUDIO UNIT : Diagno-

sis Procedure"

.

• If no malfunction is detected in audio unit 

power supply and ground circuits, re-
place audio unit. Refer to 

AV-67, "Re-

moval and Installation"

.

A Connecting Cable Between Units Is Displayed In Yellow

Area with yellow connection lines

Description

Possible cause

Control unit 

⇔ Meter

When one of the following is detected:
• malfunction is detected in combination 

meter power supply and ground circuits.

• malfunction is detected in AV communi-

cation circuits between audio unit and 
combination meter.

• Combination meter power supply or 

ground circuits.
Refer to 

MWI-60, "COMBINATION 

METER : Diagnosis Procedure"

.

• AV communication circuits between au-

dio unit and combination meter.

AV

DIAGNOSIS SYSTEM (AUDIO UNIT)

AV-21

< SYSTEM DESCRIPTION >

[DISPLAY AUDIO]

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Audio Unit Confirmation/Adjustment

1. Select Confirmation/Adjustment.

2. Select each switch on the Confirmation/Adjustment screen to

display the relevant trouble diagnosis screen. Press the BACK

switch to return to the initial Confirmation/Adjustment screen.

Display Diagnosis

Vehicle Signals

A comparison check can be made of each actual vehicle signal and

the signals recognized by the system.

Speaker Test

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AV-22

< SYSTEM DESCRIPTION >

[DISPLAY AUDIO]

DIAGNOSIS SYSTEM (AUDIO UNIT)

Select Speaker Test to display the Speaker Diagnosis screen. Press

Start to generate a test tone in a speaker. Press Start again to gener-

ate a test tone in the next speaker. Press End to stop the test tones.

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 frequency of occurrence is displayed in a count up manner. The actual count up method differs depending

on the error item. 

Count up method A

• The counter is set to 40 if an error occurs. 1 is subtracted from the counter if the condition is normal at a next

ignition ON cycle. 

• The counter lower limit is 1. The counter can be reset (no error record display) with the Delete log switch.

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.

Error item

Some error items may be displayed simultaneously according to the cause. If some error items are displayed

simultaneously, the detection of the cause can be performed by the combination of display items

Camera System

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Display type of occurrence 

frequency

Error history display item

Count up method A

AV communication line, control unit (AV)

Count up method B

Other than the above

Error item

Description

Possible cause

CONTROL UNIT (AV)

AV communication circuit initial diagnosis 
malfunction is detected.

Replace the audio unit if the malfunction 
occurs constantly.
Refer to 

AV-67, "Removal and Installation"

AV COMM CIRCUIT

When one of the following is detected:
• malfunction is detected in combination 

meter power supply and ground circuits.

• malfunction is detected in AV communi-

cation circuits between audio unit and 
combination meter.

• Combination meter power supply or 

ground circuits.
Refer to 

MWI-60, "COMBINATION 

METER : Diagnosis Procedure"

.

• AV communication circuits between au-

dio unit and combination meter.

AV

DIAGNOSIS SYSTEM (AUDIO UNIT)

AV-23

< SYSTEM DESCRIPTION >

[DISPLAY AUDIO]

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This mode is used to adjust the guide line display position of the rear

view camera.

AV COMM Diagnosis

• Displays the communication status between audio unit (master

unit) and each unit.

• The error counter displays OK if any malfunction was not detected

in the past and displays 0 if a malfunction is detected. It increases

by 1 if the condition is normal at the next ignition switch ON cycle.

The upper limit of the counter is 39.

• The error counter is erased if Reset is pressed.

NOTE:

“???” indicates UNKWN.

Delete Unit Connection Log

Deletes any unit connection records and error records from the

audio unit memory (clears the records of the unit that has been

removed).

Version Information

Displays audio unit software and hardware version numbers.

Initialize Settings

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Items

Status

(Current)

Counter

(Past)

C Rx(Meter-ITM)

OK / ???

OK / 0 – 39

C Tx(ITM-TW SW)

OK / ???

OK / 0 – 39

C Rx(STW SW-ITM)

OK / ???

OK / 0 – 39

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