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Home >> Honda >> 2012 >> Ridgeline RTL >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio System >> Symptom Troubleshooting >> No sound is heard from the speaker(s) (display is normal)

No sound is heard from the speaker(s) (display is normal)

NOTE:
  1. Turn the ignition switch to ON (II).
  2. Turn on the audio system, and make sure the volume button is not set to the MIN level.

    Is it at the MIN level? 

    YES  -Raise the volume level, and recheck the function. ■

    NO  -Go to step 3.

  3. Check for sound in each mode (AM/FM, CD, and XM).

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

    YES  -Intermittent failure. The system is OK at this time. Check for poor connections at the audio unit and speaker(s).

    NO  -

  4. On the steering wheel, check if the navigation TALK command, and/or the HandsFreeLink (HFL) TALK command are set.

    Are the navigation talk command and/or the HFL TALK command function set? 

    YES  -Cancel the navigation TALK command by pressing the navigation BACK button, and/or the HFL TALK command, press the HFL BACK button, then recheck the function.

    NO  -Go to step 5.

  5. Do the Speaker Check Mode with the Self-Diagnostic Function (see SPEAKER CHECK MODE ).

    Did all speakers produce a tone? 

    YES  -Substitute a known-good audio unit, and recheck. If the symptom/indication goes away, replace the original audio unit.

    NO  -Go to step 6.

  6. Turn the ignition switch to LOCK (0).
  7. Check the speaker(s) with no sound for any damage.

    Is there any damage? 

    YES  -Replace the speaker(s) (see SPEAKER TEST/REPLACEMENT ), and recheck.

    NO  -Go to step 8.

  8. Remove the speaker(s) (see SPEAKER TEST/REPLACEMENT ), with no sound, and disconnect its connector.
  9. Check the speaker 2P connector for a loose or poor connection.

    Reconnect the speaker 2P connector, and recheck the symptom; is the problem still present? 

    YES  -Go to step  10.

    NO  -Intermittent failure. The system is OK at this time.

  10. Test the speakers (see SPEAKER TEST/REPLACEMENT ).

    Is the speaker OK? 

    YES  -Go to step 11.

    NO  -Replace the faulty speaker(s) (see SPEAKER TEST/REPLACEMENT ). ■

  11. Reconnect the speaker connector(s).
  12. Disconnect audio unit connector A (24P) and audio unit connector C (14P).
  13. Check for continuity between body ground and audio unit connector A (24P) terminals and audio unit connector C (14P) terminals according to the table.
    WIRE COLOR REFERENCE

    Speaker Audio unit connector Wire color
    Driver's door speaker, Left tweeter A23 (+) LT GRN
    A22 (-) PUR
    Front passenger's door speaker, Right tweeter A19 (+) BLU
    A18 (-) RED
    Left rear speaker A11(+) BRN/WHT
    A10 (-) RED/YEL
    Right rear speaker A7(+) RED/BLU
    A6 (-) YEL
    Subwoofer(1) C14(+) YEL/BLK
    C7 (-) LT GRN/RED
    (1) Except 1 CD type
    Fig 1: Identifying Audio Unit Connector A (24P) Terminals
    G05968984Courtesy of AMERICAN HONDA MOTOR CO., INC.
    Fig 2: Identifying Audio Unit Connector C (14P) Terminals
    G05968985Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

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

    NO  -Go to step 14.

  14. Disconnect the left tweeter 2P connector and right tweeter 2P connector.
  15. Measure the resistance between each pair of speaker terminals at audio unit connector A (24P) terminals and audio unit connector C (14P) terminals according to the table.
    WIRE COLOR REFERENCE

    Speaker Audio unit connector Wire color Resistance
    Driver's door speaker A23 (+) LT GRN About 4Ω
    A22 (-) PUR
    Front passenger's door speaker A19 (+) BLU About 4Ω
    A18 (-) RED
    Left rear speaker A11 (+) BRN/WHT About 4Ω
    A10 (-) RED/YEL
    Right rear speaker A7 (+) RED/BLU About 4Ω
    A6 (-) YEL
    Subwoofer(1) C14 (+) YEL/BLK About 4Ω
    C7 (-) LT GRN/RED
    (1) Except 1 CD type
    Fig 3: Identifying Audio Unit Connector A (24P) Terminals
    G05968986Courtesy of AMERICAN HONDA MOTOR CO., INC.
    Fig 4: Identifying Audio Unit Connector C (14P) Terminals
    G05968987Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is the resistance OK? 

    YES  -Go to step 16.

    NO  -Repair an open or a short in the wire(s) between the audio unit and the speaker(s).

  16. Disconnect the front door speaker(s) 2P connector.
  17. Connect audio unit connector A (24P) terminals with a jumper wire as shown.
  18. Fig 5: Identifying Connector A (24P) & Terminals
    G00510866Courtesy of AMERICAN HONDA MOTOR CO., INC.
  19. Check for continuity between tweeter 2P connector terminals according to the table.
    TWEETER CONNECTOR TERMINAL CHART

    Speaker Terminal Wire color
    Left tweeter No. 1 LT GRN
    No. 2 PUR
    Right tweeter No. 1 BLU
    No. 2 RED
  20. Fig 6: Identifying Tweeter 2P Connector & Terminals
    G00510867Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).

    NO  -Repair an open in the wire between the audio unit and the tweeter speaker.