Classification:

Reference:

Date:

AN18-040c

ITB19-002c

February 10, 2021

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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ITB19-002c

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.