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Av Control Unit Replacement Process (ITB19-042E)

Publication date: 2024-08-15
Reference number: ITB19-042E
Supersedes refnos: ITB19-042, ITB19-042A, ITB19-042B, ITB19-042C, ITB19-042D

AV CONTROL UNIT REPLACEMENT PROCESS

AV CONTROL UNIT REPLACEMENT PROCESS

TECHNICAL SERVICE BULLETIN

Reference Number(s): ITB19-042E, Date of Issue:  August 15, 2024
INFINITI: 2020-2024 Q50; 2020-2022 Q60; 2020-2024 QX50; 2022-2024 QX55; 2020-2021 QX80
CLASSIFICATION: AN19-059E
APPLIED VEHICLES: 2020-2024 Q50 (V37); 2020-2022 Q60 (CV37); 2020-2024 QX50 (J55); 2022-2024 QX55 (FJ55); 2020-2021 QX80 (Z62)
NOTE: This bulletin has been amended. See AMENDMENT HISTORY  on the last page. Please discard previous versions of this bulletin.

APPLIED VEHICLES

2020-2024 Q50 (V37)

2020-2022 Q60 (CV37)

2020-2024 QX50 (J55)

2022-2024 QX55 (FJ55)

2020-2021 QX80 (Z62)

IF YOU CONFIRM

The AV control unit needs to be replaced.

ACTION

  1. Read and save the VIN.
  2. Read and save the configuration.
  3. Replace the AV control unit.
  4. Reprogram the AV control unit.
  5. Configure the AV control unit.
  6. Write the VIN to the AV control unit.
IMPORTANT: Procedures 4-6 above must  be performed in the order shown below.

ORDER OF COMPLETION

G16642413

SERVICE PROCEDURE

NOTE: Perform the following before starting the reprogramming procedure to prevent damage to the control unit:
  • Connect the AC Adapter to the CONSULT PC.
  • Connect the CONSULT PC to the internet (Wi-Fi or cable).
  • Ensure ASIST on the CONSULT PC has been synchronized (updated) to the current date and all C-III plus software updates (if any) have been installed.
  • Turn OFF all external Bluetooth® devices (e.g., cell phones, printers, etc.) within range of the CONSULT PC and the VI. If Bluetooth® signal waves are within range of the CONSULT PC during reprogramming, the reprogramming may be interrupted.
  • Turn OFF all vehicle electrical loads.
  • Connect a battery maintainer or smart charger, set to reflash mode or a similar setting, to ensure the battery voltage stays between 12.0 V and 13.5 V.

READ AND SAVE THE VIN

HINT:  If the VIN data cannot be saved, proceed to step  19 on page 9. You will be instructed to manually enter the VIN later in the procedure.

  1. Select Diagnosis (One System). 
    G16642414
  2. Select MULTI AV. 
    G16642415
  3. Select Work support  .
  4. Select SAVE VIN DATA  .
  5. Select Start  .
    G16642416
  6. Select Start  .
    G16642417
  7. Wait for the Current status  to show "CMPLT", and then select End  .
    G16642418
  8. Select Home  .

    Read and Save the Configuration 

  9. Select Re/programming, Configuration. 
    G16642419

    HINT:  C-III plus screens for steps 10- 13 are not shown.

  10. Read the on-screen Precaution and select Confirmed Instructions  at the bottom of the screen.
  11. Select Next  .
  12. Confirm the vehicle details are correct for the vehicle you are working on, and then select Confirm  .
  13. Confirm the correct VIN, and then select Confirm  .
  14. Select MULTI AV  .
    G16642420
  15. Select Before ECU Replacement  under VEHICLE CONFIGURATION  .
    G16642421
  16. Write down all Setting Value  information.

    HINT:  Use arrows to view all Setting Value  screens.

    G16642422
  17. Select Save  .
    G16642423
  18. Select End  .
    G16642424

    Replace the AV Control Unit 

  19. Replace the AV Control Unit.
    • Refer to the ESM:
      • Q50  , Q60  , QX80  : DRIVER INFORMATION & MULTIMEDIA  > AUDIO, VISUAL & NAVIGATION SYSTEM  > REMOVAL AND INSTALLATION  > AV CONTROL UNIT 
      • QX50  and QX55  : DRIVER INFORMATION & MULTIMEDIA  > AUDIO, VISUAL & NAVIGATION SYSTEM  > INFINITI INTOUCH  > REMOVAL AND INSTALLATION  > AV CONTROL UNIT 

    Reprogram the AV Control Unit 

  20. Select Re/programming, Configuration  .
    G16642425

    HINT:  C-III plus screens for steps 21- 25 are not shown.

  21. Select Confirmed instructions  .
  22. Select Next  .
  23. Select Confirm  .
  24. Confirm the correct VIN is populated.
  25. Select Confirm  .
  26. Select Other Operation  .

    HINT:  If the VIN could not be read/saved, proceed to step 27.

    G16642426
  27. Select MULTI AV  .
    G16642427
  28. Select After ECU Replacement  under Programming (Blank ECU)  .
    G16642428
  29. Select Next  after reading the precaution.
    G16642429
  30. Select Manual selection  .
    G16642430
  31. After reading all of the precautions, select Confirmed instructions  and then select Next  .
    G16642431
  32. Review Table A  , below, and find the applicable ROM Data ID  for the vehicle you are working on.
    TABLE A

    Model System ROM Data ID
    2020-2024 Q50  BOSE 283C2 6HL5C
    NON-BOSE 283C2 6HL5D
    2020-2022 Q60  BOSE 283C2 5CR0B
    NON-BOSE 283C2 5CR0A
    2020-2024 QX50  BOSE 283C2 5NY1A
    NON-BOSE 283C2 5NY0A
    2022-2024 QX55  BOSE 283C2 5VG1A
    NON-BOSE 283C2 5VG0A
    2020-2021 QX80  BOSE 283C2 6JF0B
    NON-BOSE 283C2 6JF0A
  33. Use the arrows to scroll to locate and select the applicable ROM Data ID  .
  34. Select Next  .
    G16642432
  35. Confirm the information matches the vehicle you are working on, and then select Next  .
    G16642433
  36. Follow the on-screen instructions, and then select Next  .
    G16642434
  37. Confirm the battery voltage is within acceptable limits, and then select Start  .
    G16642435
  38. Wait for Transfer Data  to complete, and then select Next  .
    G16642436
  39. Follow the on-screen instructions, and then select Next  .
    G16642437
  40. Erase all DTCs.
    • Follow the on-screen instructions to erase the DTCs by turning the ignition OFF and then ON, and then wait for the erase to complete.
  41. Confirm the before and after part numbers are different, and then select Next  .
    G16642438

    Write the Configuration From Saved Data (From Read/Save) 

  42. Select Re/programming, Configuration  .
    G16642439
  43. After reading all of the precautions, select Confirmed instructions  and then select Next  .
    G16642440
  44. Confirm the correct vehicle information is populated, and then select Confirm  .
    G16642441
  45. Confirm the Saved Data Detail  information is correct, and then select Confirm  .
    G16642442
  46. Use the arrows to confirm all Setting Value  information is correct, and then select OK  .
    G16642443
  47. Select End  after the configuration has been successfully written.
    G16642444

    Write Configuration Manually (Manual Selection) 

  48. Select Re/programming, Configuration  .
    G16642445

    HINT:  C-III plus screens for steps 49- 51 are not shown.

  49. Confirm the on-screen instructions, and then select Next  .
  50. Confirm the vehicle details, and then select Confirm  .
  51. Confirm the correct VIN is populated, and then select Confirm  .
  52. Select MULTI AV  .
    G16642446
  53. Select After ECU Replacement  under VEHICLE CONFIGURATION  .
    G16642447
  54. Select Manual selection  .
    G16642448
  55. Use the drop down menus (Figure 36) to select the values that were written down in step  16 on page 7.

    HINT: 

    • Use the arrows to scroll to any additional pages.
    • The selections shown may not reflect the features of your vehicle.
  56. Select Next  .
    G16642449
    G16642450
  57. Confirm the Setting Value  information is correct, and then select OK  .

    HINT:  Use the arrows to scroll to any additional pages.

    G16642451
    G16642452
  58. Select End  after the configuration has been successfully written.
    G16642453

    Write the VIN From Saved Data (From Read/Save) 

    HINT: 

    • If the VIN data was saved using steps  1 -  7, continue to step 59.
    • If the VIN data was NOT  saved using steps  1 -  7, skip to step  65 on page 26.
  59. Select Diagnosis (One System). 
    G16642454
  60. Select MULTI AV  .
    G16642455
  61. Select the Work support  tab.
  62. Select WRITE VIN (SAVED DATA). 
  63. Select Start. 
    G16642456
  64. Confirm the correct VIN is displayed, and then select Start  .
    G16642457

    Write the VIN Manually (Manual Input) 

  65. Select Diagnosis (One System)  .
    G16642458
  66. Select MULTI AV  .
    G16642459
  67. Select the Work support  tab.
  68. Select WRITE VIN (MANUAL INPUT)  .
  69. Select Start  .
    G16642460
  70. Manually type the VIN into the fields shown below.

    HINT:  The VIN must be entered two (2) times.

  71. Select Start  .
    G16642461
  72. Follow the on-screen instructions to verify the VIN was written successfully.
    • The VIN should populate in the field shown below.
  73. Select End  .
    G16642462

CLAIMS INFORMATION

Submit a Primary Part (PP) type line claim using the following claims coding: 

CLAIMS INFORMATION

DESCRIPTION PFP OP CODE SYM DIA FRT
Replace AV Control Unit - Q50 Auto (1) RX8SAA ZE 32 1.9
Replace AV Control Unit - Q60 Auto 1.9
Replace AV Control Unit - QX50 Auto 1.5
Replace AV Control Unit - QX55 Auto 1.5
Replace AV Control Unit - QX80 Auto 1.7
Replace AV Control Unit - Q50 Manual RX8TAA 1.9
Replace AV Control Unit - Q60 Manual 1.9
Replace AV Control Unit - QX50 Manual 1.6
Replace AV Control Unit - QX55 Manual 1.6
Replace AV Control Unit - QX80 Manual 1.7
(1) Reference the electronic parts catalog and use the Navigation Control Assembly (25915-*****) as the Primary Failed Part (PFP).

AMENDMENT HISTORY

AMENDMENT HISTORY

PUBLISHED DATE REFERENCE DESCRIPTION
November 26, 2019 ITB19-042 Original bulletin published
April 27, 2020 ITB19-042a Information on page 1 updated
February 4, 2021 ITB19-042b Classification number updated
March 3, 2022 ITB19-042C APPLIED VEHICLES  , Table A  on page 13, and CLAIMS INFORMATION  revised
February 10, 2023 ITB19-042D APPLIED VEHICLES,  step 19, and Table A  on page 13 revised
August 15, 2024 ITB19-042E APPLIED VEHICLES  , Table A  on page 13, and battery voltage range on page 2 revised
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