Reference:

Date:

ITB11-047b

October 16, 2012

VOLUNTARY SERVICE CAMPAIGN
2011 – 2012 M BLUETOOTH SOUND QUALITY
This bulletin has been amended. Changes were made to the Parts Information and Step 53 in the Service Procedure.
Please discard previous versions of this bulletin.

CAMPAIGN ID #:
APPLIED VEHICLES:

P1239
2011 – 2012 M37/56 (Y51)
2012 M35h Hybrid (Y51HV)

Check Service Comm to confirm campaign eligibility

INTRODUCTION
On certain 2011 – 2012 Infiniti M vehicles, the microphone system for the Bluetooth® hands-free phone may not
be working as intended. To remedy this potential condition, Infiniti is conducting this voluntary service campaign
to update the Multi-AV system software and replace the microphone at no charge for parts or labor.

IDENTIFICATION NUMBER
Infiniti has assigned identification number P1239 to this campaign. This number must appear on all
communications and documentation of any nature dealing with this campaign.

DEALER RESPONSIBILITY
Dealers are to correct each vehicle falling within the range of this campaign that enters the service department.
This includes vehicles purchased from private parties or presented by transient (tourist) owners and vehicles in
a dealer’s inventory.

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REPAIR OVERVIEW
Use Service Comm (campaign ID # P1239) to confirm
the vehicle you are working on is affected by this campaign

Part 1: Using C-III plus - record (write down) the Multi AV control unit part number.

Part 2: Using the vehicles on-board Systems Diagnostic Menu - perform Multi AV initialization.

Part 3: Using C-III plus – reprogram (reconfigure) the Multi AV and confirm the control unit part
number has changed.

Part 4: Make sure the Multi AV system is operational.

Part 5: Replace the microphone and the map lamp finisher with the ones listed in the Parts
Information section of this bulletin.

Part 6: Check microphone operation using the vehicles on-board Systems Diagnostic Menu.

END

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SERVICE PROCEDURE
NOTE:
• Before starting, make sure your ASIST has been freshly synchronized and all CONSULT-III (C-III) plus
upgrades have been installed.
• The Multi-AV reprogramming (reconfigure) software is delivered to C-III plus via ASIST
synchronization.
There are six parts to this procedure:
Part 1: Using C-III plus - record (write down) the Multi AV control unit part number.
Part 2: Using the vehicles on-board Systems Diagnostic Menu - perform Multi AV initialization.
Part 3: Using C-III plus – reprogram (reconfigure) the Multi AV and confirm the control unit part number has
changed.
Part 4: Make sure the Multi AV system is operational.
Part 5: Replace the system microphone with the one from the Parts Information section of this bulletin and
install a new map lamp finisher.
Part 6: Check microphone operation using the vehicles on-board Systems Diagnostic Menu.

Part 1: Using C-III plus - record (write down) the Multi AV control unit part number.
1. Make sure the shift selector is in Park, and the parking brake is set.
2. Connect the C-III plus VI to the vehicle.
3. Turn the ignition ON.
NOTE: You may want to start the engine to keep the battery charged during parts 1 through 4 of this
procedure.

4. Write down customer’s radio station presets. (Presets will be lost during this procedure.)
Presets
A
B
C
SAT

1

2

3

4

5

6

5. Open/start ASIST on the CONSULT PC, then select CONSULT-III plus.

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6.

Wait for VI to be detected, and status box(s) to turn “green” (Figure 1).

7. Select detected VI.
• If there is more than one VI in the
shop, select the VI that is being used
on the current vehicle by highlighting
the Connection Status box that has
the correct serial number.

Step
8

Step
7

8. Select Diagnosis (One System)
Figure 1

9. Select MULTI AV
Step
9

Figure 2
10. Select ECU Identification

Step
10

Step 12

* IMPORTANT *
11. Print or write down the ECU PART
NUMBER for Warranty Information.

*****

25915 - __________

Step
11

NOTE: In Part 3 of this procedure the ECU
Part Number will be used to confirm the
Multi AV reconfiguration was successful.
12. Select the Home button when done.
Figure 3

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Part 2: Perform Multi AV initialization using the vehicles on-board Systems Diagnostic Menu.
NOTE:
• The ignition should still be ON.
• Leave C-III plus turned ON and the VI connected while performing Multi-AV initialization.

13. Turn the audio system OFF.

14. Put the AV system into System Diagnostic Mode
as follows:

SETTING

a. Press and hold the SETTING button.
b. While holding the SETTING button, turn the
volume control knob 40 clicks or more.
•

The volume control knob can be turned
either direction.

•

When the system goes into the System
Diagnostic Menu, the screen in Figure 5
will display.

Volume knob
Figure 4

15. Select Confirmation/Adjustment

Step
15

Figure 5

Scroll
arrow

16. Select Initialize Settings

Step
16

NOTE: Use the scroll arrow to find Initialize Settings.

Figure 6
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Step
17

17. Select Accessory Number Initialization

Figure 7

18. Select Yes
Step
18

Figure 8

19. Select Yes
Step
19

Figure 9

20. The screen in Figure 10 will display while initializing.

Figure 10

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21. The screen in Figure 11 will display when
initializing is complete.

Figure 11
22. Reboot the Multi AV system as follows:
a. Turn the ignition OFF.
b. Wait 10 Seconds.
c. Turn the ignition ON.
Part 3: Using C-III plus; reprogram (reconfigure) the Multi AV unit and confirm the control unit part
number has changed.

23. Select Re/programming Configuration

Step
23

Figure 12

24. Read Precautions, then select Next.

Step
24

Figure 13
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25. Use Manual Selection(Vehicle Name), then
select correct Make, Model and Year.

Step
25

26. Click on Select
Step
26

Figure 14

27. Confirm correct VIN, Vehicle Name and Model
Year.
Step
27

28a. If the VIN is correct, select Confirm.
28b. If the VIN needs to be changed,
Step
28a

a. Select Change then refer to Figure 16.
Figure 15

b. Correct the VIN, and then select Confirm.

Step
28b

Figure 16

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29. After system call completes, select MULTI
AV.

Step
29

Figure 17

30. Select Manual Configuration
Step
30

Figure 18

31. Use drop down arrows to make selections,
then select Next.
•

ENGINE TYPE - (NORMAL or HYBRID)

•

4WAS - WITH or WITHOUT

•

Microphone - select “Directional Mic”

Step
31

Figure 19

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