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)
No sound is heard from the speaker(s) (display is normal) (without navigation)
NOTE:
- Check the vehicle battery condition first Battery Test.
- Check the connectors for poor connections or loose terminals.
- Set the fader and the 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 (with tweeter).
- Some models have tweeter grills, but do not have tweeters or related wiring.
1. Turn the ignition switch to ON.
2. Make sure the volume is not set to the MIN level, and check for sound in all modes (AM/FM, CD, USB (with USB adapter unit)).
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, go to AM or FM radio reception interference Symptom Troubleshooting.
- If there is no sound in CD mode, go to Audio disc does not play Audio Disc Does Not Play.
- If there is no sound in the USB mode, go to USB input sound is low or cannot be heard Symptom Troubleshooting (with USB adapter unit).
3. Do the speaker check mode with the Self-diagnostic Function.
Do all speakers produce a tone?
YES -
Substitute a known-good audio unit Audio Unit Removal/Installation, and recheck. If the symptom goes away, replace the original audio unit.
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, 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, 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 terminals (+) 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, 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.