Microphone Testing Procedure for Denso CP1 Infotainment Systems – 2020-2021 Subaru Legacy & Outback

NHTSA ID Number: 10183700

Manufacturer Communication Number: 15-275-20

Summary

This Service Information Bulletin provides a testing procedure for the microphone used in Denso CP1 infotainment systems.

 


NUMBER: 15-275-20
DATE: 11/10/2020

APPLICABILITY: 2020-21MY Legacy and Outback
SUBJECT: Microphone Testing Procedure for Denso CP1 Infotainment Systems

 

INTRODUCTION:

This Service Information Bulletin provides a testing procedure for the microphone used in Denso CP1 infotainment systems.  The procedure is to be used as a diagnostic tool for customer concerns related to microphone operation. This testing is performed after accessing Dealership Mode and is applicable to units installed with Version 1 or Version 2 software.  This procedure will be used temporarily until Version 3 has been released and installed.

Because of an inadequate gain setting, the microphone indicator level currently shows either just one or no “bars” at all when 2 or 3 bars should be displayed, especially when the input sound is brief (short).

 

SERVICE PROCEDURE / INFORMATION:

REMINDER:  Customer satisfaction and retention starts with performing quality repairs.

 

Step 1)  Access Dealership Mode by pushing and holding down both passenger (right) side A/C Up/ Down Temperature buttons while pressing the Tune button 6 times.

 

Step 2)  From the Dealership Mode menu, select System Information then, from the System Information menu, select Version Information.

 

Step 3)  The Version Information list will display the MSOC  / Version Number.

  • If the Version Number is OTHER THAN a Version Number shown in the table below, proceed to Step 4.
  • If the Version Number is included in the table, diagnose the microphone per the applicable Service Manual procedure as the following test procedure is not compatible with these MSOC / Version Numbers.
MY High MID Base
2020 F11GHM022-504 F11GMM022-504 F11GBM022-504
2021 F31BHM008-500 F31BMM008-500 F31BBM008-500

 

Step 4)  Press BACK 2 times to return to the Dealership Mode menu.

 

Step 5)  From the Dealership Mode menu, select Function Check.

 

Step 6)  From the Function Check menu, select Microphone.  The Microphone indicator screen (bars) will be displayed.

 

Step 7)  Using the alarm sound (or ringer) of a smartphone, test the microphone operation and monitor the bars on the display:

  1. Make sure the silent mode of the smartphone is turned OFF.
  2. Set the alarm volume level to maximum.
  3. Activate the alarm sound.
  4. Hold the smartphone within half an inch of the microphone for at least 10 seconds.

 

TEST:  Does the Microphone display show 2 or more bars?  The number of blue bars represent signal level.

  • YES– The microphone is operating normally.
  • NO– Diagnose the microphone system per the applicable Service Manual procedure.

 


4 Affected Products

Vehicles

MAKE MODEL YEAR
SUBARU LEGACY 2020-2021
SUBARU OUTBACK 2020-2021

 


1 Associated Document

Manufacturer Communications

NUMBER: 15-275-20
DATE: 11/10/2020

https://www.nhtsa.gov/recalls?nhtsaId=10183700

MC-10183700-0001.pdf 1934.149KB

MC-10183700-0001

 


 

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Last update on 2023-06-05 / Affiliate links / Images from Amazon Product Advertising API

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