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NO SOUND IS HEARD FROM THE SPEAKER(S) (Display Is Normal) [With Navigation, Without Stereo Amplifier] (2016 2017 2018)

NOTE: 

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    - 2. Make sure the volume is not set to the MIN level, and check for sound in all modes (AM/FM, USB, AUX, and CD).

    Is there sound in all modes, and is the sound normal?

    YES 

    Intermittent failure, the system is OK at this time.

    NO: No sound is heard in all modes

    The failure is duplicated in all modes, go to step 2.

    NO: No sound is heard in AM/FM mode

    AM/FM Radio Display Is Blank Or No Station Information Is Displayed (With Navigation) (2016 2017 2018) 

    NO: No sound is heard in USB mode

    USB Device Does Not Function (With Navigation, With Auto Idle Stop System) (2016 2017 2018) 

    USB Device Does Not Function (With Navigation, Without Auto Idle Stop System) (2016 2017 2018) 

    NO: No sound is heard in AUX mode

    Auxiliary Input Sound Is Low Or Cannot Be Heard (With Navigation) (2016 2017 2018) 

    NO: No sound is heard in CD mode

    Audio Disc Does Not Play 

  2. Speaker visual check

    -1. Turn the vehicle to the OFF (LOCK) mode.

    - 2. Check the speaker(s) with no sound for any damage.

    Is there any damage?

    YES 

    Replace the faulty speaker(s) - Refer to:

    Speaker Removal, Installation and Test (2016 2017 2018)

    NO 

    Go to step 3.

  3. Speaker internal resistance check

    -1. Test the speaker(s).

    Test

    Is the speaker(s) OK?

    YES 

    Go to step 4.

    NO 

    Replace the faulty speaker(s) - Refer to:

    Speaker Removal, Installation and Test (2016 2017 2018)

  4. Wire check (FL SP +/-, FR SP +/-, RL SP +/-, RR SP +/-, SUBW +/- lines)

    -1. Disconnect the following connectors.

    Audio-navigation unit connector A (24P)
    Audio-navigation unit connector E (8P)
    Left tweeter 2P connector
    Right tweeter 2P connector

    - 2. Measure the resistance between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Audio-navigation unit connector A (24P) disconnected
      Audio-navigation unit connector E (8P) disconnected
      Left tweeter 2P connector: disconnected
      Right tweeter 2P connector: disconnected
    Speaker Test point 1:

    Audio-navigation unit connector A (24P) -


    Refer to:
    Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
    Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .
    Test point 2:

    Audio-navigation unit connector A (24P) -


    Refer to:
    Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
    Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .
    Resistance
    Left rear door speaker No. 5 No. 6 About 4 Ω
    Right rear door speaker No. 9 No. 10 About 4 Ω
    Driver's door speaker No. 15 No. 16 About 4 Ω
    Front passenger's door speaker No. 19 No. 20 About 4 Ω
    Speaker Test point 1:

    Audio-navigation unit connector E (8P)


    Refer to:
    Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
    Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .
    Test point 1:

    Audio-navigation unit connector E (8P)


    Refer to:
    Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
    Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .
    Resistance
    Subwoofer No. 5 No. 7 About 2 Ω

    Is the resistance OK?

    YES 

    The SP and SUBW wires are not open and short. Go to step 5.

    NO 

    Repair an open or short in the wire(s) between the audio-navigation unit and the speaker(s).

  5. Shorted wire check (FL SP +/-, FR SP +/-, RL SP +/-, RR SP +/-, SUBW +/- lines)

    -1. Disconnect the following connectors.

    Driver's door speaker 2P connector
    Front passenger's door speaker 2P connector
    Left rear door speaker 2P connector
    Right rear door speaker 2P connector
    Subwoofer 2P connector

    - 2. Check for continuity between following test points and body ground individually.

    Test condition Vehicle OFF (LOCK) mode
      Audio-navigation unit connector A (24P) disconnected
      Audio-navigation unit connector E (8P) disconnected
      Driver's door speaker 2P connector: disconnected
      Front passenger's door speaker 2P connector: disconnected
      Left rear door speaker 2P connector: disconnected
      Right rear door speaker 2P connector: disconnected
      Left tweeter 2P connector: disconnected
      Right tweeter 2P connector: disconnected
      Subwoofer 2P connector: disconnected
    Connector Speaker Terminal
    Audio-navigation unit connector A (24P) -
    Refer to:
    Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
    Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .
    Left rear door speaker No. 5
    No. 6
    Right rear door speaker No. 9
    No. 10
    Driver's door speaker, Left tweeter No. 15
    No. 16
    Front passenger's door speaker, Right tweeter No. 19
    No. 20
    Connector Speaker Terminal
    Audio-navigation unit connector E (8P) - Refer to:
    Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
    Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .
    Subwoofer No. 5
    No. 7

    Is there continuity?

    YES 

    Repair a short to body ground in the wire(s) between the audio-navigation unit and the speaker(s).

    NO 

    The SP and SUBW wires are OK. Go to step 6.

  6. Open wire check (FL SP +/-(Tweeter), FR SP +/- (Tweeter) lines)

    -1. Connect terminals A and B with jumper wires.

    Terminal A Audio-navigation unit connector A (24P) No. 15 -
    Refer to:
    Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
    Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .
    Terminal B Audio-navigation unit connector A (24P) No. 16 -
    Refer to:
    Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
    Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .
    Terminal A Audio-navigation unit connector A (24P) No. 19 -
    Refer to:
    Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
    Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .
    Terminal B Audio-navigation unit connector A (24P) No. 20 -
    Refer to:
    Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
    Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .

    - 2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Audio-navigation unit connector A (24P) disconnected
      Driver's door speaker 2P connector: disconnected
      Front passenger's door speaker 2P connector: disconnected
      Left tweeter 2P connector: disconnected
      Right tweeter 2P connector: disconnected
      Audio-navigation unit connector A (24P) No. 15 and No. 16: jumped
      Audio-navigation unit connector A (24P) No. 19 and No. 20: jumped
    Test circuit 1  
    Test point 1 Left tweeter 2P connector No. 1
    Test point 2 Left tweeter 2P connector No. 2
    Test circuit 2  
    Test point 1 Right tweeter 2P connector No. 1
    Test point 2 Right tweeter 2P connector No. 2
    GHH303744Courtesy of HONDA, U.S.A., INC.
    GHH303745Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    Replace the audio-navigation unit. Audio-Navigation Unit Removal And Installation (2016 2017 2018) .

    NO 

    Repair an open in the wire(s) between the audio-navigation unit and the tweeter.