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Home >> Nissan-Datsun >> 2012 >> Cube Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 145 (HANDSFREELINK System) >> Symptom Troubleshooting >> No sound when Bluetooth audio is used (with navigation)

No sound when Bluetooth audio is used (with navigation)

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Before doing this troubleshooting, refer to GENERAL TROUBLESHOOTING INFORMATION  to make sure the phone is compatible and configured correctly. You can also check online at www.acura.com/handsfreelink, or call the HFL support desk at 888-528-7876.
  • Check the vehicle battery condition first (see BATTERY TEST ).
  • Check the connectors for poor connections or loose terminals.
  • Set the fader and balance positions to the center.
  • Check if the cell phone with Bluetooth audio functions normally.
  • Make sure the cell phone is properly paired.
  1. Turn the ignition switch to ON (II).
  2. Turn on the audio-navigation unit, and check for sound in each mode (AM, FM, XM, and CD).

    Is the sound normal? 

    YES  -Go to step 3.

    NO  -Go to Sound Quality Diagnosis (see SOUND QUALITY DIAGNOSIS ) or no sound is heard from the speaker(s) (see NO SOUND IS HEARD FROM THE SPEAKER(S) (DISPLAY IS NORMAL) (WITH NAVIGATION) ).

  3. Press the USB/AUX button, and check if it changes to Bluetooth Audio source.

    Does it change to Bluetooth Audio source? 

    YES  -Go to step 4.

    NO  -Substitute a known-good audio-navigation unit (including the HDD) (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).

  4. Check if it is connected when switching to Bluetooth Audio screen by pressing the USB/AUX button.

    Is NO CONNECTION is displayed? 

    YES  -Go to BLUETOOTH CELL PHONE CANNOT BE PAIRED 

    NO  -Go to step 5.

  5. Check if the Bluetooth audio device can be played.

    Does the Bluetooth audio play? 

    YES  -Intermittent failure, the audio-navigation unit is OK at this time.

    NO  -Go to step 6.

  6. Connect the HDS to the DLC (see HOW TO CHECK FOR DTCS WITH THE HDS  ). Check for HFL DTCs.

    Is there any DTCs Indicate? 

    YES  -Go to HFL DTC troubleshooting.

    NO  -Go to step 7.

  7. Turn on the audio-navigation unit, and check for XM radio sound.

    Is the sound normal? 

    YES  -Go to step 8.

    NO  -Go to step  11.

  8. Turn the ignition switch to LOCK (0).
  9. Disconnect audio-navigation unit connector D (14P) and the HandsFreeLink control unit 28P connector (see step  2 on ).
  10. Check for continuity between audio-navigation unit connector D (14P) and the HandsFreeLink control unit 28P connector according to the table.
      Audio-Navigation unit connector HandsFreeLink control unit connector Wire color
    AUDIO R+ D5 No. 9 RED
    AUDIO R- D13 No. 23 WHT
    AUDIO L+ D6 No. 10 BLK
    AUDIO L- D14 No. 24 GRN
    Fig 1: Identifying Audio-Navigation Unit Connector D (14P)
    G08054328Courtesy of AMERICAN HONDA MOTOR CO., INC.
    Fig 2: Identifying Handsfreelink Control Unit 28P Connector
    G08054329Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Substitute a known-good HandsFreeLink control unit (see HANDSFREELINK CONTROL UNIT REMOVAL/INSTALLATION  ), and recheck. If the symptom/indication goes away, replace the original HandsFreeLink control unit (see HANDSFREELINK CONTROL UNIT REMOVAL/INSTALLATION  ).

    NO  -There is an open in the wire(s) between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.

  11. Turn the ignition switch to LOCK (0).
  12. Disconnect these items:
    • Audio-Navigation unit connector D (14P)
    • AcuraLink control unit (XM receiver) connector A (32P) (with AcuraLink)
    • XM receiver connector A (14P) (without AcuraLink)
    • HandsFreeLink control unit 28P connector
  13. Check for continuity between body ground and the HandsFreeLink control unit 28P connector according to the table.
      HandsFreeLink control unit connector Wire color
    AUDIO R+ No. 9 RED
    AUDIO R- No. 23 WHT
    AUDIO L+ No. 10 BLK
    AUDIO L- No. 24 GRN
    Fig 3: Identifying Handsfreelink Control Unit 28P Connector
    G08054330Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -There is a short to body ground in the wire(s) between the audio-navigation unit, then AcuraLink control unit (XM receiver) or XM receiver, and the HandsFreeLink control unit. Replace the affected shielded harness.

    NO  -Go to step 14.

  14. Check for continuity between audio-navigation unit connector D (14P) and the HandsFreeLink control unit 28P connector according to the table.
      Audio-Navigation unit connector HandsFreeLink control unit connector Wire color
    AUDIO R+ D5 No. 9 RED
    AUDIO R- D13 No. 23 WHT
    AUDIO L+ D6 No. 10 BLK
    AUDIO L- D14 No. 24 GRN
    Fig 4: Identifying Audio-Navigation Unit Connector D (14P)
    G08054331Courtesy of AMERICAN HONDA MOTOR CO., INC.
    Fig 5: Identifying Handsfreelink Control Unit 28P Connector
    G08054332Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 15.

    NO  -There is an open in the wire(s) between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.

  15. Check for continuity between the terminals of the HandsFreeLink control unit 28P connector according to the table.
    From terminal To terminals
    No. 22 (GRY) No. 9 (RED), No. 23 (WHT), No. 10 (BLK), No. 24 (GRN)
    Fig 6: Identifying Handsfree Control Unit 28P Connector Terminals
    G08054333Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity between any of the terminals? 

    YES  -There is a short in the wires between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.

    NO  -Go to step 16.

  16. Reconnect audio-navigation unit connector D (14P) and the HandsFreeLink control unit 28P connector.
  17. Turn the ignition switch to ON (II).
  18. Check if the Bluetooth audio device can be played.

    Does the Bluetooth audio play? 

    YES  -Internal malfunction in unit where a connector for either the AcuraLink control unit (XM receiver) or the XM receiver is connected.

    NO  -Go to step 19.

  19. Turn the ignition switch to LOCK (0).
  20. Disconnect the HandsFreeLink control unit 28P connector (see step  2 on HANDSFREELINK CONTROL UNIT REMOVAL/INSTALLATION  ).
  21. Reconnect AcuraLink control unit connector A (32P) or XM receiver connector A (14P).
  22. Turn the ignition switch to ON (II).
  23. Check the operation of the reconnected unit.

    Is the system normal? 

    YES  -Substitute a known-good HandsFreeLink control unit (see HANDSFREELINK CONTROL UNIT REMOVAL/INSTALLATION  ), and recheck. If the symptom/indication goes away, replace the original HandsFreeLink control unit (see HANDSFREELINK CONTROL UNIT REMOVAL/INSTALLATION  ).

    NO  -Substitute a known-good audio-navigation unit (including the HDD) (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).

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