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Home >> Subaru >> 2021 >> Crosstrek Limited >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Infotainment System (Diagnostics) >> Diagnostics With Phenomenon >> Inspection >> Sound Does Not Come Out From The Speaker

Sound Does Not Come Out From The Speaker

Probable cause: 

Speaker malfunction, amplifier malfunction, unit body malfunction

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to INFOTAINMENT (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .
  1. CHECK DTC  .
    1. Turn the ignition switch OFF → ON.
    2. Read the DTC of [Infotainment] using the Subaru Select Monitor. Ref. to INFOTAINMENT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Is DTC B2244 displayed? (Current malfunction)

    Yes:  Perform the diagnosis for the displayed DTC B2244. Ref. to INFOTAINMENT (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B2244: AMPLIFIER COMMUNICATION .

    No:  Go to  2.

  2. CHECK THE MODE IN WHICH NO SOUND COME OUT  .

    Check if sound comes out in each mode such as CD, radio, etc.

    Does it have no sound in all modes?

    Yes:  Go to  3.

    No:  Check each mode in which no sound come out.

    For CD: Ref. to INFOTAINMENT (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>CDS CANNOT BE PLAYED BACK .

    For radio: Ref. to INFOTAINMENT (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>RADIO VOLUME IS LOW OR INTERFERENCE NOISE OCCURS .

    For Bluetooth audio: Ref. to INFOTAINMENT (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>BLUETOOTH CONNECTION CANNOT BE ESTABLISHED .

  3. CHECK DIAGNOSTIC MODE  .

    Perform {Audio Check} on the {Line Diag} screen. Ref. to ENTERTAINMENT & MONITORING>AUDIO SYSTEM>OPERATION>CHECK SPEAKER OUTPUT WITH LINE DIAG MODE AND ANTENNA CONNECTION .

    Does it have no sound in all speakers?

    Yes:  Go to  4.

    No:  Model with power amplifier: Check the harnesses between the unit and power amplifier and between power amplifier and speaker for open circuit or short circuit. If no fault is found, replace the speaker.

    Model without power amplifier: Check the harness between the unit and speaker for open circuit or short circuit. If no fault is found, replace the speaker.

  4. CHECK MUTE MODE  .

    Check if the MUTE mode is turned on when the MUTE button is installed.

    Is the volume level set to the minimum?

    Yes:  Since the MUTE mode is on or the volume level is set to the minimum, sound does not come out.

    No:  Go to  5.

  5. CHECK DTC (MODEL WITH TELEMATICS)  .

    Read the DTC of [Telematics] using the Subaru Select Monitor. Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Are B2A0E (mute line circuit), B2A05 (left speaker/audio circuit) and B2A06 (right speaker/audio circuit) displayed?

    Yes:  Perform the diagnosis for the displayed DTCs. Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

    No:  Go to  6.

  6. CHECK CONNECTOR  .

    Check for poor contact in the connector of the unit and the connector of each speaker. Check for poor contact in the amplifier connector for models with amplifier.

    Is the check result OK?

    Yes:  Replace the audio or navigation unit. Ref. to ENTERTAINMENT & MONITORING>AUDIO . Ref. to ENTERTAINMENT & MONITORING>NAVIGATION BODY .

    No:  Repair or replace the harness.

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