No Sound Is Heard From The Speaker(s) (Display Is Normal) (Without Premium Audio System)
Audio System Symptom Troubleshooting - No sound is heard from the speaker(s) (display is normal) ('08-10 models without premium audio system)
No sound is heard from the speaker(s) (display is normal) ('08-10 models without premium audio system)
NOTE:
- Check the vehicle battery condition first Testing and Inspection.
- Set the fader and balance positions to the center.
- Always check the connectors for poor connections or loose terminals.
1. Turn the ignition switch to ON (II).
2. Check for sound in each mode (AM, FM, XM, and CD).
Is the sound OK in each mode?
YES -
Intermittent failure. The system is OK at this time. Check for loose connectors at the audio unit and amplifier.�
NO -
Go to step 3.
3. Check that 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 -
- With navigation: Go to step 4.
- Without navigation: Go to step 5.
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. Check to see if there is a specific speaker that has no sound.
Do any or all of the speakers fail to sound?
YES -
Go to step 6. If the subwoofer fail to sound, go to booming sound while driving troubleshooting.
NO -
Speakers all work, but sound quality is poor in step 1.
- If sound is poor only with XM radio, or the XM radio does not function, go to poor or no sound with XM radio Poor or No Sound With XM Radio (Audio Unit Does Display XM Channels).�
- If the sound is poor only with AM or FM, go to poor AM or FM radio reception or interference Poor AM Or FM Radio Reception Or Interference.�
- If the sound is poor only with CD.�
- Try several known-good CD in the audio unit.
- If the sound quality is normal, the original CD is faulty.
- If the sound quality is still poor, replace the audio unit Audio Unit Removal/Installation.
- If the sound is poor in all modes, go to sound quality diagnosis Audio System Sound Quality Diagnosis.�
6. Turn the ignition switch to LOCK (0).
7. Check the speaker with no sound for any damage.
Is there any damage?
YES -
Substitute the speaker and recheck.�
NO -
Go to step 8.
8. Check the speaker 2P connector for a loose or poor connection.
Reconnect the speaker connector, and recheck the symptom; is the condition still present?
YES -
Go to step 9.
NO -
Intermittent failure. Operation is normal.�
9. Test the speaker(s) Speaker Test/Replacement.
Is the speaker(s) OK?
YES -
Repair an open or high resistance in the wire(s) between the audio unit and the speaker(s).�
NO -
Replace the speaker(s) Speaker Test/Replacement.�
10. Reconnect the speaker connector(s).
11. Disconnect audio unit connector A (17P).
NOTE: Eject all the CDs before removing the audio unit and audio disc changer to prevent damaging the CD player's load mechanism.
12. Check for continuity between body ground and audio unit connector A (17P) according to the table.
Is there continuity?
YES -
Repair a short to body ground in the wires between the audio unit and speaker.�
NO -
Go to step 13.
13. Disconnect tweeter 2P connectors.
14. Measure the resistance between each pair of speaker terminals at audio unit connector A (17P) according to the table.
Is the resistance OK?
YES -
Go to step 15.
NO -
Repair an open or a short in the wire between the audio unit and the speaker.�
15. Disconnect the driver's door speaker 2P connector and the front passenger's door speaker 2P connector.
16. Connect audio unit connector A (20P) terminals with jumper wires as shown.
17. Check for continuity between the tweeter 2P connector according to the table.
Is there continuity?
YES -
Go to step 18.
NO -
Repair an open in the wire(s) between the stereo amplifier and the tweeter.�
18. Disconnect jumper wires.
19. Reconnect audio unit connector A (17P).
20. Turn the ignition switch to ON (II).
21. Measure the voltage between body ground and audio unit connector A (17P) terminals No. 14 and No. 17 individually.
Is there battery voltage?
YES -
Go to step 22.
NO -
Repair an open in the wire(s) between the No. 5 (10 A) fuse and No. 32 (10 A) in the driver's under-dash fuse/relay box and the audio unit.�
22. Measure the voltage between audio unit connector A (17P) terminal No. 9 and body ground.
Is there less than 0.2 V?
YES -
Replace the audio unit Audio Unit Removal/Installation.�
NO -
Repair an open or high resistance in the wire between audio unit connector A (17P) and body ground (G503).�