2017 Infiniti G37 Sedan V6-3.7L Diagnostic and Repair Information # 12-063C Date: 121127
Cellular Phone - Poor Hands Free Sound Quality
Classification: EL12-062B
Reference: ITB12-063B
Date: October 25, 2012
WITH NAVIGATION SYSTEM HANDS-FREE PHONE POOR SOUND QUALITY
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This bulletin has been amended. Several changes have been made to accommodate the addition of G37 and JX35 vehicles. Please discard previous
versions of this bulletin.
APPLIED VEHICLES
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.
PARTS INFORMATION
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CLAIMS INFORMATION
Information
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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 the Multi AV Control Unit Info
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 customers radio station presets. (Presets will be lost during this procedure.)
5. Open/start ASIST on the CONSULT PC, then select CONSULT-III plus.
6. Wait for VI to be detected, and status box(s) to turn "green" (Figure 1).
7. Select detected VI.
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^ 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.
8. Select Diagnosis (One System).
9. Select MULTI AV.
10. Select ECU Identification.
* IMPORTANT *
11. Print or write down the ECU PART NUMBER for Warranty Information.
25915 - __________
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.
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13. Select Re/programming Configuration.
14. Check the box confirming the precautions have been read then select Next.
15. Use Manual Selection (Vehicle Name), then select correct Make, Model and Year.
^ If the screen in Figure 6 does not display, skip to step 17.
16. Click on Select.
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17. Confirm correct VIN, Vehicle Name and Model Year.
18a. If the VIN is correct, select Confirm.
18b. If the VIN needs to be changed,
a. Select Change then refer to Figure 8.
b. Correct the VIN, and then select Confirm.
19. After system call completes, select MULTI AV.
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20. Select Read / Write Configuration.
21. Select Before Replace ECU.
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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.
Part 2: Perform Multi AV Initialization Using on-Board Systems
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.
2. Put the AV system into System Diagnostic Mode as follows:
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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 A2 will display.
3. Select Confirmation/Adjustment.
4. Select Initialize Settings.
NOTE:
Use the scroll arrow to find Initialize Settings.
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5. Select Accessory Number Initialization.
6. Select Yes.
7. Select Yes.
8. The screen in Figure A7 will display while initializing.
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9. The screen in Figure A8 will display when initializing is complete.
10. Reboot the Multi AV system as follows:
a. Turn the ignition OFF.
b. Wait 10 Seconds.
c. Turn the ignition ON.
Part 3: Reprogram Multi AV Confirm Part Number Change
Part 3: Using C-III plus; reprogram (reconfigure) the Multi AV unit and confirm the control unit part number has changed.
1. Select Re/programming Configuration.
2. Check the box confirming the precautions have been read then select Next.
3. Use Manual Selection (Vehicle Name), then select correct Make, Model and Year.
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^ If the screen in Figure B3 does not display, skip to step 5.
4. Click on Select.
5. Confirm correct VIN, Vehicle Name and Model Year.
6a. If the VIN is correct, select Confirm.
6b. If the VIN needs to be changed,
a. Select Change then refer to Figure B5.
b. Correct the VIN, and then select Confirm.
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7. After system call completes, select MULTI AV.
8. Select Manual Configuration.
9. Use the drop down arrows to select the values for each item listed.
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^ For MICROPHONE, select "DIRECTIONAL MIC".
^ For all other items, use the values that you wrote down in Part 1, step 22.
NOTE: If MICROPHONE is not one of the items:
^ GRADE will be listed in place of MICROPHONE.
^ For GRADE, select MODE 2. (GRADE MODE 2 = DIRECTIONAL MIC.)
10. Select Next.
11. Confirm correct values for items listed and then select OK.
12. Wait for C-III plus to transfer the reprogramming (reconfiguration) to Multi AV - about 1 minute or less.
13. After C-III plus finishes transferring the reconfiguration to MULTI AV, select Home.
14. Turn the ignition OFF and wait 10 seconds.
15. Start the engine and let it idle while the Multi AV system reboots.
16. Use C-III plus to clear any codes from the Multi AV system.
a. Select Diagnoses (One System) > Multi AV > Self Diagnosis Results.
b. Clear any codes that are present.
17. Confirm the Multi AV part number has 17a changed:
a. Select ECU Identification.
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b. Compare the part number you wrote down in Part 1, step 11 to the one that is now displayed.
c. The part number should be different.
NOTE:
If the part numbers are not different, the reconfigure process was not successful.
18. Close the C-III plus software and disconnect the VI from the vehicle.
Part 4: Make Sure the Multi AV System Is Operational
Part 4: Make sure the Multi AV system is operational.
1. Confirm that fan, temperature, and air flow modes can be adjusted.
2. Turn the radio ON.
3. Turn the volume knob and make sure the audio volume responds to movement of the knob.
Part 5: Replace the System Microphone
Part 5: Replace the system microphone (for G37 Convertible)
a. Turn the ignition OFF.
b. Remove / snap loose (with a plastic trim tool) the map lamp assembly.
c. Replace the microphone and the map lamp finisher with the ones listed in the Parts Information.
d. Reinstall the map lamp assembly.
NOTE:
If needed, see section AV in the Service Manual for additional information.
e. Skip to Part 6.
Part 5: Replace the system microphone (for all except G37 Convertible)
NOTE:
The photos used in this section are of a M37/56. These photos are also representative (similar) for all other applied vehicles except the
G37 Convertible.
1. Turn the ignition OFF.
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2. Remove / snap loose the map lamp finisher shown in Figure M2.
^ Use a plastic trim tool as needed.
3. Remove the microphone from the map lamp finisher.
4. Fully open (slide back) the sunroof.
5. Carefully snap loose the headlining along the front of the sunroof opening at the 3 spots shown in Figure M4.
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6. Push the microphone through the roof console so it is above the headlining.
7. Remove both sun visor holders - twist 1/4 turn to remove.
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8. Carefully pull the headlining down just enough to look in and locate the microphone connector.
CAUTION:
Be careful not to crease the headlining.
9. Carefully slide the connector to the right (towards the passenger side) to disengage it from its mount.
^ It may be tight on the mount, but it just slides to the right to disengage.
CAUTION:
Be careful not to crease the headlining.
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10. Carefully reach in above the headlining and pull out the microphone.
CAUTION:
Be careful not to crease the headlining.
11. Disconnect the old microphone and discard.
12. Install the new microphone in reverse order.
^ Make sure to use the new microphone listed in the Parts Information.
^ Make sure to use the new map lamp finisher listed in the Parts Information.
IMPORTANT:
Make sure the microphone is firmly snapped into place. If the microphone is loose, it could pick up extra noise from an unintended source.
CAUTION:
Be careful not to crease the headlining.
Part 6: Check Microphone Operation
Part 6: Check Microphone Operation Using the vehicles on-board Systems Diagnostic Menu.
1. Turn ON the ignition and turn the audio system OFF.
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2. Put the AV system into System Diagnostic Mode:
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 M11 will display.
3. Select Confirmation/Adjustment.
4. Select Handsfree Phone.
NOTE:
Use the scroll arrow to find Handsfree Phone.
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5. Select Voice Microphone Test.
^ A "feedback" noise will come from the system speakers as confirmation of microphone operation.
^ If you speak, you should hear your voice coming from the system speakers. This is further confirmation of microphone operation.
6. Reboot Multi AV system by cycling the ignition OFF for 10 seconds, then back ON.
7. Reset the customers radio stations presets.
The Service Procedure is complete, but you may need to adjust the system for customer preference:
Adjust outgoing call volume to a level that is suitable for the customers voice as follows:
A. Press the SETTING button on the control panel.
B. Select Volumes & Beeps.
C. Adjust the Outgoing Call volume to the customers preference.
^ If extremely loud talker, set to level 1 (-).
^ If moderately loud talker, set to level 2.
^ If normal loud talker, set to level 3.
^ If moderately quiet talker, set to level 4.
^ If quiet talker, set to level 5 (+).
