ITB19-002b

Classification:
Reference:
Date:
EL18-040b
ITB19-002b
January 10, 2020
2018-2020 INFINITI;
DISPLAY CONTROL UNIT SERVICE INFORMATION
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.
APPLIED VEHICLES:
2018-2019 Q50 (V37)
2018 Q50 Hybrid (V37)
2018-2019 Q60 (V37)
2018-2019 Q70 (Y51)
2018 Q70 Hybrid (Y51)
2018-2019 QX30 (H15)
2019 QX50 (J55)
2018-2020 QX60 (L50)
2018-2019 QX80 (Z62)
Q50, Q60 and QX50 vehicles
SERVICE INFORMATION
If the Display Control Unit (DCU) needs to be
replaced on an APPLIED VEHICLE for any reason,
follow the steps in the Service Procedure to:

Display
Control Unit
Order a replacement DCU from DENSO
Configure the Multi AV system.
NOTE: The need to contact TECH LINE for
DCU order approval has been eliminated.

2018-2019 QX30 vehicles only: Register the
replacement DCU. DCU registration is
necessary whether or not the vehicle has an
active Infiniti InTouch Apps subscription.
Figure 1
NOTE: The original DCU must be installed in the vehicle while performing part of this procedure.
DO NOT remove the original DCU until instructed.
Infiniti 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 Infiniti retailer to determine if this applies to your
vehicle.
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SERVICE PROCEDURE
Before starting, make sure your ASIST has been synchronized to the current date and all CONSULT-III plus
(C-III plus) upgrades have been installed.
Parts of the Procedure
PART 1: Take Preliminary Steps Prior to Ordering DCU / Order DCU
PART 2: Record Multi AV Configuration Values of Original DCU / Replace DCU
PART 3: Configure Multi AV System
PART 4: Manually Configure Multi AV System (if needed)
PART 5: 2018-2019 QX30 Vehicles Only – Register Replacement DCU
PART 1: Take Preliminary Steps Prior to Ordering DCU / Order DCU
While not required, Infiniti recommends using the following preliminary steps along with any other necessary
diagnosis for non-warranty repairs:
1. Duplicate and verify the customer’s concern if possible. If duplication is not possible, gather as much
information about the issue as possible from the service advisor/writer or customer.
2. Check for any connected devices (phone, iPod, MP3 player, etc.) or determine if a connected device is present
during the concern. Gather model and software version information if possible.
NOTE: TECH LINE can be contacted IF technical assistance is needed with diagnosis and repairs.
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Order Exchange DCU from DENSO
NOTE: In most cases, an exchange DCU will be ordered. A new DCU is required only if:

The vehicle has not yet been sold.

The customer requests a new DCU on a non-warranty repair.

The exchange DCU is not available.

Insurance claim replacement.
After steps 1 and 2 have been completed, your parts department will order the replacement exchange DCU as
instructed below.
3.
Go to the Denso-Ten website (https://www.f10ncs.com), and login with your username and password.

4.
If you do not have a login username and password (first time users), call Denso-Ten tech line (1-800237-5413, Mon – Fri: 7:00am – 4:00pm PT) to obtain a login username and password.
Select Orders > Place An Order.
Figure 2
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5.
Enter the Dealer contact information, vehicle information, and warranty status information.
6.
Select Next.
Populate all fields
Figure 3
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7.
Select the vehicle model and original DCU part number.

The DCU part number can be found on the label on the back of the DCU, or with C-III plus by going to
Diagnosis (One System) > MULTI AV > ECU Identification.
NOTE: The replacement DCU you receive may have a different part number than the original DCU.
8.
Select Next.
xxxxx
QX60
Figure 4
xxxxx
xxxxx
xxxxx
xxxxx
xxxxx
xxxxx
xxxxx
xxxxx
xxxxx
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9.
Populate the Customer Complaint field, choose a symptom from the drop down menu, and select an
option for each displayed question.
10.
Select Next.
Enter customer
complaint here
Figure 5
11.
Select the conditions under which the symptoms occurred.
12.
Select Next.
Figure 6
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13.
Check all symptoms that apply for each component.
14.
Select Review.
Figure 7
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15.
Confirm all of the information displayed is accurate, and then select submit order.
NOTE: Changes cannot be made once an order has been submitted.

If changes are needed, select Cancel and Edit to return to the form.
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
xxxxxxx
QX60
xxxxx
xxxxxxx
xxxxxxx
xxxxxxx
Click here to
make
changes
Figure 8
16.
After sumbit order is selected, a confirmation page and number will display. If needed, select View My
Order, Submit a New Request, or Printer Friendly Page.
xxxxxxxxxxxxxxxxx
xxxxxxxxxxxx
Figure 9
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NOTE:

To view order status and shipping/tracking information at a later date, select View Orders on the DensoTen website and select the applicable order.
Figure 10
xxxxxxxxxxxxxxx
Figure 11
17.
After the order is submitted, DENSO will email a confirmation to your parts department stating the order has
been placed.
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PART 2: Record Multi AV Configuration Values of Original DCU / Replace DCU
18.
Prepare the vehicle:

Make sure the shift selector is in Park and the parking brake is set.

Connect a battery maintainer or smart charger set to reflash mode or a similar setting.

Connect the plus VI to the vehicle.

Launch C-III plus on the CONSULT PC.

Turn the ignition ON. DO NOT start the engine.

19.
Hybrid vehicles: Turn the ignition to ON. DO NOT put in Ready Mode.
Select Re/programming Configuration.
Figure 12
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20.
Read the Precautions.
When finished, click in the Confirmed
instructions box to insert a check
mark, and then select Next.
Figure 13
21.
Select the Manual Selection(Vehicle
Name) tab, and then select the Vehicle
Name and Model Year.
NOTE: If the screen shown in
Figure 14 does not display, proceed to
step 26.
22.
Select Select.
Figure 14
23.
Confirm the correct Vehicle Name and
Model Year are displayed.

When finished, select Confirm.
xxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxx
xxxx
Figure 15
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Steps 24 and 25 below apply to 2018-2019 QX30 vehicles ONLY. For all other vehicles, proceed to step 26
on the next page.
24.
Select USA/CANADA Dealers in the drop down menu, and then select OK.
NOTE:

The screen in Figure 16 will only
appear during the first login on a
CONSULT PC. Future logins with
same CONSULT PC will display the
screen in Figure 17 only.

If the screen shown in Figure 16
does not display, proceed to step
25.
Figure 16
25.
Enter your NNAnet.com Username and
Password, and then select Submit.
NNAnet.com
Username &
Password
Figure 17
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26.
After System Call completes, confirm the
correct Vehicle Identification Number
(VIN) is displayed.

When finished, select Confirm.
NOTE: If the VIN displayed is incorrect,
input the correct VIN. When finished,
select Confirm.
Figure 18
27.
Select MULTI AV.

Use the scroll arrows if needed.
Figure 19
28.
Select Before ECU Replacement.
Figure 20
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29.
Confirm Setting Value (current
configuration) and write it down.

The current configuration can also
be printed with the Print Screen
button or Screen Capture button.

Use the scroll arrows if more than
one page of information is available.
Write down / print this
information
NOTE: Configurable options will differ.
Your screen may look different.
30.
Select Save.
Figure 21
NOTE: If the configuration data cannot
be saved, replace the DCU as
instructed in the applicable Electronic
Service Manual (ESM), and then
proceed to page 16, PART 4:
Manually Configure the Multi AV
System (if needed).
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxx
31.
Select End.
Figure 22
32.
Replace the DCU as instructed in the applicable ESM.

Refer to the ESM, section DRIVER INFORMATION & MULTIMEDIA > AUDIO, VISUAL &
NAVIGATION SYSTEM > INFINITI INTOUCH > REMOVAL AND INSTALLATION > DISPLAY
CONTROL UNIT > Removal and Installation.
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PART 3: Configure Multi AV System
33.
Perform steps 18-26 again before proceeding to step 34.
34.
When you get to the screen shown in
Figure 23, select Confirm.
xxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxx
Figure 23
35.
If the screen in Figure 24 appears, skip
to page 19, step 46.
36.
If the screen in Figure 24 does not
appear, go to step 37.
Figure 24
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37.
Select OK.
After performing Step 37:

If an error message does not
display, proceed to page 20, step
50.

If an error message does display,
proceed to PART 4: Manually
Configure the Multi AV System
(if needed), below.
Figure 25
PART 4: Manually Configure the Multi AV System (if needed)
NOTE: If the screen in Figure 26 is not
displayed, click on the Home icon.
38.
Select Re/programming Configuration.
Figure 26
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39.
Read the Precautions.
When finished, click in the Confirmed
instructions box to insert a check mark,
and then select Next.
Figure 27
40.
Select the Manual Selection(Vehicle
Name) tab, and then select the Vehicle
Name and Model Year.
NOTE: If the screen shown in Figure 28
does not display, proceed to the next
page, step 43.
41.
Select Select.
Figure 28
42.
Confirm the correct Vehicle Name and
Model Year are displayed.
When finished, select Confirm.
xxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxx
xxxxxxx
Figure 29
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Step 43 below applies to 2018-2019 QX30 vehicles ONLY. For all other vehicles, skip to step 44.
43.
Enter your NNAnet.com Username and
Password, and then select Submit.
NNAnet.com
Username &
Password
Figure 30
44.
Confirm the correct VIN is displayed.
When finished, select Confirm.
NOTE: If the VIN displayed is incorrect,
input the correct VIN. When finished,
select Confirm.
Figure 31
45.
Select MULTI AV.

Use the scroll arrows if needed.
Figure 32
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46.
Select After ECU Replacement.
Figure 33
47.
Select Manual selection.
Figure 34
48.
Use the drop down menus to select the
configuration options that were printed
or written down in step 29 on page 14.

Use the scroll arrow if more than
one page of information is
available.
NOTE: Configurable options may differ
and look different from Figure 35.
Figure 35
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49.
Confirm the configuration items
displayed under Setting Value are
correct, and then select OK.
Figure 36
50.
Turn the ignition OFF, and then start the engine.
51.
After starting the engine, wait for about 30 seconds.
52.
Use C-III plus to erase any codes from the Multi AV system.
a. Select Home on the C-III plus screen.
b. Select Diagnosis (One System) > Multi AV > Self Diagnosis Results.
c. Erase any codes that may be present.
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Step 53 below applies to 2018-2019 QX30 vehicles ONLY. For all other vehicles, proceed to step 54.
53.
Write down the UNIT ID number (see Figure 37) as follows:
NOTE: The UNIT ID number will be used in Part 5 of the procedure.
a. Select the ECU Identification tab on the C-III plus screen.
b. Write down the UNIT ID number.
Figure 37
54.
Close C-III plus and disconnect the plus VI from the vehicle.
55.
Check that the operation of the DCU and, if equipped, RearView Monitor camera images (fixed guide lines
and predictive course lines) are normal.
56.
Disconnect the battery maintainer/smart charger from the 12V battery.
2018-2019 QX30 vehicles only: Go to the next page.
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PART 5: 2018-2019 QX30 Vehicles ONLY – Register Replacement DCU
57.
Register the replacement DCU by calling Infiniti Owner Services at 1-855-444-7244. Listen to the prompts
and select the option for the “Infiniti Connection Specialist.”

During this call you will be asked for the UNIT ID number (see step 53) and Vehicle Identification
Number (VIN).

Infiniti Owner Services hours of operation are:
Monday – Saturday: 8:00am to Midnight EST
Closed Thanksgiving, Christmas, and New Years Day
IMPORTANT: Step 57 MUST be performed to register the replacement DCU. If this step is not performed, the
Infiniti InTouch Apps feature – if the vehicle has an active subscription – will not function. Perform this step even if
the vehicle does not have an active Infiniti InTouch Apps subscription, as future enrollment will also be affected.
AMENDMENT HISTORY
PUBLISHED DATE
REFERENCE
DESCRIPTION
January 15, 2019
ITB19-002
Original bulletin published.
July 26, 2019
ITB19-002a
Order an Exchange DCU from DENSO procedure revised.
January 10, 2020
ITB19-002b
APPLIED VEHICLES revised, and the need to contact TECH
LINE for DCU order approval has been eliminated.
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