Honda CR-V: No sound is heard from speaker(s) (display is normal) (with navigation)

NOTE:

• Set the fader and balance positions to the center.
• Before doing symptom troubleshooting, do the power switch will not turn ON troubleshooting.

1. Check that the volume button is not set to the MIN level.

Is it at MIN level? YES-Raise the volume level, and recheck the function.

NO-Go to step 2.

2. Check the NAVIGATION VOLUME MUTE COMMAND.

Is the navigation system muting the audio? YES-Cancel the NAVIGATION MUTE MODE by pressing the voice command BACK button, and recheck the function.

NO-Go to step 3.

3. Check to see if there is a specific speaker(s) that has no sound.

Is there a specific speaker( s) with no sound? YES-Go to step 4.

NO-Go to step 7.

4. Turn the ignition switch OFF.

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

Is there any damage? YES-Substitute a known-good speaker and recheck.

NO-Go to step 6.

6. Remove the speaker(s) with no sound, and disconnect its connector.

7. Measure the resistance between the No.1 and No.2 terminals of the speaker connector.

Is there about 4 Ω ? YES-Go to step 8.

NO-Faulty speaker(s).

8. Check the speaker 2P connector for a loose or poor connection.

Reconnect the speaker 2P connector and recheck the symptom; is there still no sound? YES-Go to step 9.

NO-Operation is normal at this time.

9. Disconnect stereo amplifier connector A (20P) and connector B (14P).

10. Measure the voltage between stereo amplifier connector A (20P) No. 10 terminal and body ground.

Is there battery voltage? YES-Go to step 11.

NO-Repair open in the wire between fuse No. 17 (15 A) under-hood fuse box and stereo amplifier connector A (20P) No. 10 terminal.

11. Turn the ignition switch ON (II), and push the PWR button on the navigation unit.

12. Measure the voltage between stereo amplifier connector A (20P) No.9 terminal and body ground.

Is there battery voltage? YES-Go to step 13.

NO-Repair open in the wire between fuse No. 34 (7.5 A) under-dash fuse/relay box and stereo amplifier connector A (20P) NO.9 terminal.

13. Measure the voltage between stereo amplifier connector B (14P) No.7 terminal and body ground.

Is there battery voltage? YES-Go to step 14.

NO-Check for and repair open or short in the wire between the stereo amplifier connector B (14P) No.7 terminal and navigation unit connector B (22P) No. 20 terminal. If there is no open or short, substitute a known-good navigation unit, and recheck. If there is now battery voltage, replace the original navigation unit.

14. Turn the ignition switch OFF.

15. Reconnect stereo amplifier connector A (20P).

16. Turn the ignition switch ON (II).

17. Measure the voltage between stereo amplifier connector A (20P) No. 20 terminal and body ground.

Is there less than 0.1 V? YES-Go to step 18.

NO-Repair open or high resistance in the wire between stereo amplifier connector A (20P) No. 20 terminal and body ground (G505).

18. Turn the ignition switch OFF.

19. Disconnect stereo amplifier connector A (20P).

20. Measure the resistance between the following terminals of stereo amplifier connector A (20P) according to the table.

Is there about 4 Ω ? YES-Go to step 21.

NO-If there is 1 M Ω or more, repair open in the wire pairs between the stereo amplifier and speaker.

21. Disconnect the 2P connector(s) to the speaker(s).

22. Check for continuity between stereo amplifier connector A (20P) and body ground according to the table.

Is there continuity? YES-Repair short to body ground in the wire between the navigation unit and the speaker.

NO-Go to step 23.

23. Disconnect navigation unit connector A (17P) and stereo amplifier connector B (14P).

24. Check for continuity between stereo amplifier connector B (14P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and stereo amplifier connector B (14P) No.2, No.5, No.9, No. 12 terminals (the harness shield).

Is there continuity? YES-Replace the appropriate shielded harness.

NO-Go to step 25.

25. Check for continuity between navigation unit connector A and stereo amplifier connector B according to the table.

Is there continuity? YES-Substitute a known-good navigation unit and recheck. If the symptom/indication goes away, replace the original navigation unit. If symptom is still present, substitute a known-good stereo amplifier and recheck. If the symptom/indication goes away, replace the original stereo amplifier.

NO-Repair the appropriate shielded harness.

No sound is heard from speaker(s) (display is normal) (without navigation)

NOTE:

• Set the fader and balance positions to the center.
• Before doing symptom troubleshooting, do the power switch will not turn ON troubleshooting.
• Do the self-diagnostic function, speaker check to help isolate the speaker.

1. Check that the volume button is not set to the min level.

Is it at MIN level? YES-Raise the volume level, and recheck the function.

NO-Go to step 2.

2. Check to see if there is a specific speaker(s) that has no sound.

Is there a specific one? YES-Go to step 3.

NO-Go to step 6.

3. Turn the ignition switch OFF.

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

Is there any damage? YES-Substitute known-good speaker(s) and recheck.

NO-Go to step 5.

5. Remove the speaker(s) with no sound, and disconnect its connector.

6. Measure the resistance between the No.1 and No.2 terminals of the speaker connector.

Is there about 4 Ω ?

YES-Go to step 7.

NO-Faulty speaker(s).

7. Check the speaker 2P connector for a loose or poor connection.

Reconnect the speaker 2P connector and recheck the symptom; is there still no sound? YES-Go to step 8.

NO-Operation is normal at this time.

8. Remove the audio unit.

Disconnect audio unit connector A (17P).

9. Measure the resistance between the following terminals of audio unit connector A (17P) according to the table.

Is there about 4 Ω ? YES-Go to step 10.

NO-If there is 1 M Ω or more, repair open in the wire pairs between the audio unit and speaker.

10. Disconnect the speaker 2P connector.

11. Check audio unit connector A (17P) terminals No.2, 3, 7, 8, 11, 12, 15, and 16 individually for continuity to body ground.

Is there continuity? YES-Repair short to body ground in the wire between the audio unit and speaker.

NO-Substitute a known-good audio unit and recheck. If the symptom/indication goes away, replace the original audio unit.

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