Classification:

Reference:

Date:

EL12-062c

ITB12-063c

November 27, 2012

WITH NAVIGATION SYSTEM
HANDS-FREE PHONE POOR SOUND QUALITY
This bulletin has been amended to correct the Claims Information. No other changes have been made.
Please discard previous versions of this bulletin.

APPLIED VEHICLES: 2011 – 2013 M37, M56, and M Hybrid (Y51 & HY51)
2013 JX35 (L50)
2010 – 2012 FX35 and FX50 (S51)
2010 – 2012 EX35 (J50)
2011 – 2012 QX56 (Z62)
2010 – 2012 G37 Sedan, Coupe, and Convertible
(V36, CV36, & HV36)

Equipped with
navigation system

IF YOU CONFIRM
The customer reports (or has previously reported) that people on the other end of a phone call cannot hear
them.
Customer report may include:
•

Voice is choppy or cuts-out.

•

Voice sounds distant.

•

Voice sounds as if speaking through a tunnel.

•

Voice sounds like it is under water.

ACTION
1. Reprogram (reconfigure) the Multi AV.
2. Replace the microphone and map lamp finisher.

IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing.
You MUST closely follow the entire Service Procedure as it contains information that is essential to successfully
completing this repair.
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 dealer to determine if this
applies to your vehicle.
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PARTS INFORMATION
DESCRIPTION

MODEL

VARIATION

PART NUMBER

QUANTITY

Microphone

All

NA

28336 – 1VU0A

1

Gray
without E-CALL SW

26434 – 1PM0A

Gray
with E-CALL SW

26434 – 1PM2A

Black
with E-CALL SW

26434 – 1PM2B

M
JX
Map Lamp Finisher
G37
FX
EX

Beige
without sunroof
Gray
without sunroof
Beige
with sunroof

26437 – 3LW0A

NA

26437 – 1V90A

QX56

1

26437 – 3LZ0A
1

26437 – 3LZ5A
1

CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
MODEL
M, G37
FX, & QX56
EX

DESCRIPTION

PFP

OP CODE

SYM

DIAG

FRT
0.7

Hands-Free Phone - Repair
(With Navigation)

28336 - 1VU0A

JX35

RX2PAA

ZE

32

0.8
0.6

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ITB12-063c

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

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 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.

END

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ITB12-063c

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 and configuration
settings.
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 and configuration
settings.
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
SAT
Fade:

1

2

3

Balance:

4

Bass:

5

6

Treble:

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

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ITB12-063c

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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ITB12-063c

13. Select Re/programming Configuration.

Step
13

Figure 4

14. Check the box confirming the precautions have
been read then select Next.

Step
14

Figure 5

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Example

15. Use Manual Selection (Vehicle Name), then
select correct Make, Model and Year.
•

Step
15

If the screen in Figure 6 does not display,
skip to step 17.

16. Click on Select.

Step
16

Figure 6
Example

17. Confirm correct VIN, Vehicle Name and Model
Year.
Step
17

18a. If the VIN is correct, select Confirm.
18b. If the VIN needs to be changed,

Step
18a

a. Select Change then refer to Figure 8.
Figure 7

b. Correct the VIN, and then select Confirm.

Step
18b

Figure 8

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ITB12-063c

19. After system call completes, select MULTI
AV.

Step
19

Figure 9

20. Select Read / Write Configuration.
Step
20

Figure 10

Step
21

21. Select Before Replace ECU.

Figure 11

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ITB12-063c

IMPORTANT: Do not select Save (see Figure 12).

22. Write down or print the Setting Value (Multi-AV configuration) for each of the items listed (see Figure 12).
NOTE:
•

The screen shown in Figure 12 is an example. .

•

These setting values will be used during the reprogram (reconfigure) of the Multi AV later in this
procedure.

23. When done, select Home.
Example

Step
23

Example: The items listed and the values displayed will very between models and options.

Step 22:
Write down
these values

IMPORTANT:
Do not select Save

Figure 12

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ITB12-063c

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 with the home screen displayed and the VI connected while performing
Multi-AV initialization.
1. Turn the audio system OFF.
Your vehicle may look different.
2. 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.

•