No Sound Is Heard From The Speaker(s) (Display Is Normal) (Without Navigation)
Audio System Symptom Troubleshooting - No sound is heard from the speaker(s) (display is normal) (without navigation)
No sound is heard from the speaker(s) (display is normal) (without navigation)
NOTE:
- Check the vehicle battery condition first. Testing and Inspection
- Check the connectors for poor connections or loose terminals.
- Set the fader and balance positions to the center.
- 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.
2. 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 -
Go to step 3.
3. Do the speaker check mode with the Self-diagnostic Function. Initial Inspection and Diagnostic Overview
Do all speakers produce a tone?
YES -
Intermittent failure. The system is OK at this time. Check for loose connections at the audio unit and speaker(s).�
NO -
Go to step 4.
4. Turn the ignition switch to LOCK (0).
5. 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 6.
6. Remove the speaker(s) with no sound Speaker Test/Replacement, and disconnect its connector.
7. Check the speaker 2P connector for a loose or poor connection.
Reconnect the speaker 2P connector, and recheck the symptom; is the condition still present?
YES -
Go to step 8.
NO -
Intermittent failure. Operation is normal.�
8. Test the speaker(s) Speaker Test/Replacement.
Is the speaker OK?
YES -
Go to step 9.
NO -
Replace the speaker(s) Speaker Test/Replacement, and recheck.�
9. Reconnect the speaker connector.
10. Remove the audio unit, Audio Unit Removal/Installation (Without Navigation) and disconnect audio unit connector A (24P).
11. Check for continuity between body ground and audio 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 unit and the speaker.�
NO -
- With tweeter: Go to step 12.
- Without tweeter: Go to step 13.
12. Disconnect the connector(s) from the tweeter(s).
13. Measure the resistance between both pairs of speaker wires (+) and (-) at audio unit connector A (24P) according to the table.
Is there about 4 Ohms?
YES -
- With tweeter: Go to step 14.
- Without tweeter: Substitute a known-good audio unit Audio Unit Removal/Installation (Without Navigation), and recheck. If the symptom/indication goes away, replace the original audio unit.�
NO -
Repair an open or short in the wire between the audio unit and the speaker.�
14. Disconnect the connector(s) from all the speaker(s).
15. Connect the tweeter connector terminal (+) and (-) with a jumper wire.
16. Check for continuity between each pair of speaker terminals at audio unit connector A (24P) according to the table.
Is there continuity?
YES -
Substitute a known-good audio unit Audio Unit Removal/Installation (Without Navigation), and recheck. If the symptom/indication goes away, replace the original audio unit.�
NO -
Repair an open in the wire between the audio unit and the speaker.�