Classification:

Reference:

Date:

AT13-020D

ITB13-055D

May 8, 2023

CVT/TCM CALIBRATION DATA “WRITE” PROCEDURE
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.

APPLIED VEHICLES:
APPLIED VINS/DATES:
APPLIED TRANSMISSIONS:

2013 JX35 (L50)
2014-2019 QX60 (L50)
2013 JX35: Vehicles built after 5N1AL0M(* *)DC 343902 // March 26, 2013
2014-2019 QX60: ALL
CVT

HINT: Bulletin does not apply to QX60 Hybrid.

SERVICE INFORMATION
The SERVICE PROCEDURE (starting on page 2) in this bulletin contains the steps to perform TCM Calibration
Data “Write” Procedures. These procedures are used when a complete CVT assembly is replaced, a CVT
control valve (valve body) is replaced, or a Transmission Control Module (TCM) is replaced.


Refer to REPAIR OVERVIEW on page 2. This is a quick reference to determine which procedures
need to be performed.

HINT: The following information may be helpful when performing the TCM Calibration Data “Write” Procedures:


When starting the calibration “write” procedure in CONSULT-III (C-III) plus, and after selecting Start
under Work Support, the C-III plus screen may only blink.
If this occurs, close ASIST (if open), and then select Start again.
o If there is still no change: reboot the CONSULT PC, keep ASIST closed, and then restart this
procedure from step 6 on page 5.
o If the error “STOPPED, no comm. with ECU” shows when trying to write calibration data, verify that
the vehicle is in park (P).

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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REPAIR OVERVIEW
PROCEDURE

VALVE BODY
REPLACEMENT

TCM REPLACEMENT

CVT ASSEMBLY
REPLACEMENT

Erase/Write Calibration
Data

Required

Not needed

Required

Save/Write
Calibration Data

Not needed

Required

Not needed

G-Sensor Learning

Not needed

Required

Not needed

Clutch Point Learning

Required

Required

Not needed

Select Learning

Required

Required

Required

SERVICE PROCEDURE
IMPORTANT: If replacing the TCM only, skip to SAVE/WRITE CALIBRATION DATA WHEN REPLACING
THE TCM on page 14.
ERASE/WRITE CALIBRATION DATA WHEN REPLACING CVT OR VALVE BODY
HINT:


Use the following steps when a CVT assembly or valve body is replaced.



Also use the following steps if the TCM was replaced with a CVT assembly or valve body.

Before starting, make sure:


ASIST on the CONSULT PC has been freshly synchronized to the current date.



All C-III plus software updates (if any) have been installed.

1. Obtain the calibration file disc (provided with the new CVT or valve body).


If a calibration file disc is available, continue to step 2, below.



If a calibration file disc is not available or was damaged, skip to OBTAINING A CALIBRATION FILE
WHEN CD IS UNAVAILABLE on page 21.

2. Match the numbers on the disc with the new CVT or new valve body and QR label.


See pages 3 and 4 for number matching examples.

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ITB13-055D

If a complete CVT is being replaced, match the following number (calibration file):
Example


Disc (CD) provided with the new CVT.

Figure 1
Example


QR label on the new CVT is located on the
Transmission range switch.

Transmission
range switch
Figure 2

Example


Calibration file number on the CVT case or
label.
Skip two
digits

Figure 3
IMPORTANT: All three (3) of the above numbers must be the same (they must match).

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ITB13-055D

If a new valve body is being replaced, match the following number (calibration file):
Example


Disc (CD) provided with the new valve
body.

Figure 4

Example


QR label provided with the new valve
body.

Figure 5

Example


Calibration file number on the valve body.

Figure 6
IMPORTANT: All three (3) of the above numbers must be the same (they must match).

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ITB13-055D

3. Connect the external disk drive to the CONSULT PC.
HINT: Use the external disk drive provided with the C-III plus kit.

4. Load the CD into the external disk drive.

5. Connect the CONSULT PC to the vehicle with the VI, and then open/start C-III plus.
 Make sure ASIST and other programs are closed.

6. After the VI is recognized, select Diagnosis (All Systems).

VI is
recognized

Figure 7

7. Navigate C-III plus to TRANSMISSION > Work Support.

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ITB13-055D

8. Select the scroll arrow shown Figure 8, and select the CALIB DATA tab shown in Figure 9.

Figure 8
9. Print a copy of the screen shown in Figure 9 and attach it to the repair order.
HINT:
o Make sure to print page 1 of 7 (1/7).
o This screen print is used for warranty documentation.
10. Select scroll arrow shown Figure 9 and select the Work support tab as shown in Figure 10 on the next
page.

Screen print must
show the VIN

Example

Print page 1 of 7
(1/7)
Figure 9
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ITB13-055D

11. Select WRITE IP CHARA – REPLACEMENT AT/CVT, and then select Start.

Figure 10

IMPORTANT: When starting the calibration “write” procedure in C-III plus, and after selecting Start under
Work Support, the C-III plus screen may only blink.


If this occurs, confirm ASIST is closed, and then perform step 11, above.
o If there is still no change: reboot the CONSULT PC, keep ASIST closed, and then restart this
procedure from step 1.
o If the error “STOPPED, no comm. with ECU” shows when trying to write calibration data, verify that
the vehicle is in park (P).

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ITB13-055D

12. Select OK.

Figure 11
13. Select My Computer.

Figure 12

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ITB13-055D

14. Locate the calibration file.


If a calibration file disc was available, select DVD/CD-RW Drive (F:)



If a calibration file disc was not available, navigate to the file location written down in step 58 on
page 23.

Figure 13
15. Highlight the file, and then select Open.

Figure 14
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ITB13-055D

16. Verify that the Serial No. (calibration file number) shown matches the numbers from step 2 on page 2 (see
Figures on pages 3 and 4).


The numbers must match.

17. Select Next.
HINT: If the error “STOPPED, no Comm with ECU” is displayed, confirm that the vehicle is in Park.

XXXXXXX

Figure 15
18. Before selecting Start, follow the directions in Figure 16.
 Do not follow the directions on the C-III plus screen.

First:
 IGN ON, ENG OFF
 PRESS BRAKE PEDAL
 SHIFT INTO REVERSE (R)
 DEPRESS THROTTLE PEDAL ½
WAY AND HOLD
Then:
 Select Start on the C-III plus
screen

Figure 16
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ITB13-055D

19. Follow the on screen instructions.

Figure 17
20. Follow the on screen instructions.

Make sure
thethe
transmission
Make
suretotoputput
in
Park.
transmission in Park;
NOTE:
willwill