Classification:

Reference:

EL20-020a

Date:

NTB20-046a

July 29, 2020

VOLUME KNOB DOES NOT FUNCTION PROPERLY
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.

APPLIED VEHICLES:

2019-2020 Altima (L34)
2019-2020 Murano (Z52)

IF YOU CONFIRM
The customer states the speaker volume does not change or changes erratically when
rotating the volume knob.

ACTION
1.

Rotate the volume knob rapidly in two cycles, for a total of 60 seconds, to remove
contaminate build-up.

2.

Update the display control unit software.

IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you
will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it
contains information that is essential to successfully completing this repair.
Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are
properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job
properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO
NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle.

1/10

REQUIRED SPECIAL TOOL


One special tool USB drive J-52727 has been shipped to each dealer (see Figure 1).



Do not use any other USB drive to perform the procedure in this bulletin.



Additional USB drives may be purchased from Tech•Mate: nissantechmate.com or
1-800-662-2001.

HINT:
 The update software only needs to be downloaded once and can then be used
continuously on multiple applied vehicles.
 The update software must be the only file on the USB drive.

Figure 1

Bosch Contact Information
If additional assistance is required from Bosch, fill out the form below and email it to:
nissan.dealers@us.bosch.com

Bulletin Number
Date
Dealer Number
Mailing Address:

Dealer Name
Address and Street
City
State
Zip Code

Order Placed By (your name)
Current audio unit Software version
Customer Concern
Reason for request



2/10

Cannot download update software

NTB20-046a

SERVICE PROCEDURE
NOTE: To ensure a successful repair, steps 2, 3, and 4 MUST be performed to remove
contaminate build-up on the full 360° radius of the electrical components internal to the
volume knob.
1.

Turn the audio and the ignition OFF.

2.

Rotate the volume knob clockwise and
counterclockwise approximately 180°
as rapidly as possible for 30 seconds
(Figure 2).

3.

Rotate the volume knob 180° from its
current position to remove the
contaminate from the opposite side of
the electrical component internal to the
volume knob.

Rotate knob 180°

4.

Rotate the volume knob clockwise and
counterclockwise as rapidly as
possible for another 30 seconds.

Figure 2
(Altima shown, Murano is similar)

Update the Display Control Unit
IMPORTANT: Before starting, make sure:

5.



ASIST is connected to the internet.



ASIST has been synchronized (updated) to the current date.

Insert special tool USB drive J-52727 in an ASIST Station.


If the infotainment software has already been downloaded onto special tool USB
drive J-52727 from a prior service procedure, skip to step 14 on page 6.

HINT:
 Special tool USB drive J-52727 is the only one approved for use with this
procedure.
 The update is estimated to take 4 hours to download to the USB drive.
 The update software only needs to be downloaded once and can then be used
continuously on multiple applied vehicles.
o The update software must be the only file on the USB drive.

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NTB20-046a

6.

Open ASIST.

7.

Select Specialty Tools, and then select Infotainment Software Updates.

Specialty Tools
Infotainment Software Updates

Figure 3

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NTB20-046a

8.

Select the check box next to the IVI003 infotainment software update (Figure 4).

9.

Use the drop-down menu and select the location of the USB drive that was inserted in
step 5 on page 3.

Version:

Check
box
D:\

USB drive
location

IVI003

Infotainment
software update

Drop-down
menu

Figure 4

10.

Select Download, and then wait for the download to complete.
HINT:
 The update is estimated to take 4 hours to download to the USB drive.
 If, while attempting to download the software to the ASIST Station, you receive
the message shown in Figure 5:
a. First attempt to clear space on the ASIST Station hard drive.
b. If space on the hard drive cannot be cleared, email Bosch at
nissan.dealers@us.bosch.com for additional options.

Figure 5

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NTB20-046a

11.

Select OK.

Figure 6
12.

Once the transfer is complete, safely remove the USB drive from the ASIST Station.
a.

From the PC toolbar, select the Safely Remove Hardware icon.


b.

The icon is on the toolbar, or can be found after selecting the arrow.

Select the USB drive to be removed, and then remove the USB drive from the
ASIST Station.
Follow the steps to safely remove the USB drive. If not followed, the
USB drive may corrupt the infotainment update software.


If you are not familiar with the process of safe USB drive removal, ask for
assistance at your dealer.

Safely Remove
Hardware icon

USB Drive (E:)

Arrow on toolbar

Figure 7
13.

Close all ASIST Infotainment Software Update screens.

14.

Set the parking brake.

15.

Start the engine, and then wait 60 seconds for the system to load.
HINT: The engine needs to idle for the duration of the update to retain battery charge.

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NTB20-046a

16.

Insert the USB drive with infotainment update software into the vehicle’s USB media
port (see Figure 8).


Do not remove the USB drive during the update to the vehicle until instructed to.

HINT: Charging ports are marked in the vehicle with a “lightning bolt” symbol.
Do not insert the USB drive into a charging port. If used, the update
software and/or USB drive may become damaged. Only insert the USB drive in a USB
media port.

USB media
port symbol
DO NOT USE
USB ports with a
“lightning bolt”

Figure 8

17.

Figure 9

Wait approximately 10-30 seconds for
the screen in Figure 10 to appear.

Figure 10



The screen in Figure 11 may
briefly appear. Do not remove
the USB drive. The audio
system will detect the USB and
continue the update.
xxxxxxx

Figure 11

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NTB20-046a

18.

Wait for the update to complete.


Follow the on-screen instructions while waiting.

HINT: The update lasts 15-25 minutes.

Figure 12

19.

Once the update is complete (Figure 13) remove the USB drive; the system will
reboot (restart).
HINT: The system will not reboot until the USB drive is removed.

Figure 13

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NTB20-046a

Steps 20-27 must be completed. If they are not completed, the update may
become corrupted.
20.

Allow the reboot to complete
(approximately 30 seconds).


21.

The Nissan logo will be displayed
during the reboot.

Turn the ignition OFF.
Figure 14

The steps below will fully reboot the infotainment system twice.
22.

Open and close the driver door, and then ensure that all doors are closed.

23.

Wait five (5) minutes.
Ensure that all doors remain closed during the five minute wait period. If a
door is opened during the five minute wait period, the update may not complete and
the AV control unit may become inoperable.

HINT: The engine does not need to be running for the next steps.
24.

Turn the ignition ON (engine OFF) and wait for the Nissan logo to appear (Figure 14).


25.

After the Nissan logo appears, wait
about one (1) minute.


26.

If the Nissan logo does not appear (this might take up to 30 seconds), start over
from step 21.

The MENU (Home) screen in
Figure 15 will be displayed.

Turn the ignition OFF.
Figure 15

27.

Repeat steps 22-26 one more time (a total of two [2] times to complete the update).

28.

Verify the volume knob functions correctly.


If the volume knob is still not functioning properly, return to ASIST for further
diagnostic information.

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NTB20-046a

CLAIMS INFORMATION
Submit a Primary Operation (PO) type line claim using the following claims coding:
DESCRIPTION

OP CODE

SYM

DIA

FRT

Update Display Control Unit - Includes Rotate Knob

RX9AAA

ZE

32

0.4

AMENDMENT HISTORY
PUBLISHED DATE REFERENCE

DESCRIPTION

June 26, 2020

NTB20-046

Original bulletin published

July 29, 2020

NTB20-046a

APPLIED VEHICLES revised

10/10

NTB20-046a