No Sound Is Heard From The Speaker(s) (Display Is Normal) (With Navigation)
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) (with navigation)
NOTE:
- Check the vehicle battery condition first Battery Test.
- Check the connectors for poor connections or loose terminals.
- Set the fader and balance positions to the center.
- Before doing this symptom troubleshooting, do the audio unit power switch will not turn on troubleshooting Audio Unit Power Switch Will Not Turn On (No Information Display And No Sound) (With Navigation).
- If there is sound from the door speaker but not from the tweeter, replace the tweeter. If there is still no sound from the tweeter, repair or replace the harness.
- Some models have tweeter grills, but do not have tweeters or related wiring.
1. Turn the ignition switch to ON (II).
2. Make sure the volume is not set to the MIN level, and check for sound in all modes (AM/FM, CD, USB).
Is there sound in all modes, and is the sound normal?
YES -
System is OK at this time. Check for poor connections at the audio unit, the speakers, and the stereo amplifier.�
NO -
- If there is no sound in all modes, go to step 3.
- If there is no sound in AM/FM mode, do the AM or FM radio reception interference troubleshooting Symptom Troubleshooting.
- If there is no sound in CD mode, do the Audio disc does not play troubleshooting Audio Disc Does Not Play.
- If there is no sound in the USB mode, do the USB input sound is low or cannot be heard troubleshooting Symptom Troubleshooting.
3. Check for sound in each mode (AM, FM and CD).
Is the sound OK in each mode?
YES -
Intermittent failure. The system is OK at this time. Check for loose connections at the audio-navigation unit and the speaker(s).�
NO -
Go to step 4.
4. On the steering wheel, check the navigation talk command.
Is the navigation talk command function set?
YES -
Cancel the navigation talk command by pressing the navigation BACK button, then recheck the function.�
NO -
Go to step 5.
5. Turn the ignition switch to LOCK (0).
6. Check the speaker(s) with no sound for any damage.
Is there any damage?
YES -
Replace the speaker Speaker Test/Replacement, and recheck.�
NO -
Go to step 7.
7. Remove the speaker(s) with no sound Speaker Test/Replacement, and disconnect its connector.
8. Check the speaker 2P connector for a loose or poor connection.
Reconnect the speaker 2P connector, and recheck the symptom; does it still fail?
YES -
Go to step 9.
NO -
Intermittent failure. Operation is normal.�
9. Test the speaker(s) Speaker Test/Replacement.
Is the speaker OK?
YES -
Go to step 10.
NO -
Replace the speaker(s) Speaker Test/Replacement, and recheck.�
10. Reconnect the speaker connector.
11. Remove the audio-navigation unit Audio-Navigation Unit Removal/Installation, and disconnect audio-navigation unit connector A (24P).
12. Check for continuity between body ground and audio-navigation unit connector A (24P) according to the table.
NOTE: If no sound is heard from all speakers, check all of the wiring for shorts.
Is there continuity?
YES -
Repair a short to body ground in the wire(s) between the audio-navigation unit and the speaker.�
NO -
- With tweeter: Go to step 13.
- Without tweeter: Go to step 14.
13. Disconnect the connector(s) from the tweeter(s).
14. Measure the resistance between each pair of speaker terminals at audio-navigation unit connector A (24P) according to the table.
Is there about 4 Ohms?
YES -
- With tweeter: Go to step 15.
- Without tweeter: Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit.�
NO -
Repair an open or a short in the wire between the audio-navigation unit and the speaker.�
15. Disconnect the connector(s) from the front speaker(s).
16. Connect the tweeter connector terminal (+) and (-) with a jumper wire.
17. Check for continuity between each pair of speaker terminals at audio-navigation connector A (24P) according to the table.
Is there continuity?
YES -
Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit.�
NO -
Repair an open in the wire between the audio-navigation unit and the speaker.�