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.
- Before doing the 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) (Without Navigation).
1. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
2. Turn on the audio unit and make sure 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. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
4. Remove the center console panel Center Console Panel Removal/Installation.
5. Disconnect the HandsFreeLink control unit 28P connector Service and Repair.
6. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, and recheck the audio system for sound.
Did the audio system sound return?
YES -
Replace the HandsFreeLink control unit Service and Repair.�
NO -
Go to step 7.
7. See if the problem recurs using the tuner and more than one CD.
Does the problem recur using the tuner as well as CDs?
YES -
Go to step 8.
NO -
Go to poor AM or FM radio reception or interference troubleshooting Symptom Troubleshooting.�
8. Do the speaker check mode with the Self-diagnostic Function Audio System Self-Diagnostic Function.
Do all speakers produce a tone?
YES -
System is OK at this time. Check for poor connections at the audio unit, the speakers and the stereo amplifier.�
NO -
Go to step 9.
9. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
10. Check the No. 15 (20A) fuse in the passenger's under-dash fuse/relay box, the No. 15 (10A) fuse in the under-hood fuse/relay box, and the No. 18 (7.5A) fuse in the driver's under-dash fuse/relay box.
Are the fuses OK?
YES -
Go to step 11.
NO -
Replace the fuse(s), and recheck.�
11. Check the faulty speaker(s) for damage.
Is there any damage?
YES -
Replace the speaker Speaker Test/Replacement, and recheck.�
NO -
Go to step 12.
12. Remove the speaker(s) with no sound Speaker Test/Replacement, and disconnect its connector.
13. 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 14.
NO -
Intermittent failure. Operation is normal.�
14. Test the speaker(s) Speaker Test/Replacement.
Is the speaker OK?
YES -
Go to step 15.
NO -
Replace the speaker(s) Speaker Test/Replacement.�
15. Reconnect the speaker connector(s).
16. Disconnect stereo amplifier connector A (18P).
17. Check for continuity between body ground and stereo amplifier connector A (18P) according to the table.
Is there continuity?
YES -
Repair a short to body ground in the wire(s) between the stereo amplifier and the speaker(s).�
NO -
Go to step 18.
18. Disconnect the left tweeter 2P connector and the right tweeter 2P connector.
19. Measure the resistance between each pair of speaker terminals at stereo amplifier connector A (18P) according to the table.
Is there resistance OK?
YES -
Go to step 20.
NO -
Repair an open or a short in the wire between the stereo amplifier and the speaker.�
20. Connect stereo amplifier connector A (18P) terminals with jumper wires as shown.
21. Check for continuity between the tweeter 2P connector according to the table.
Is there continuity?
YES -
Go to step 22.
NO -
Repair an open in the wire between the stereo amplifier and the tweeter.�
22. Disconnect jumper wires.
23. Disconnect audio unit connector A (24P), stereo amplifier connector B (14P), and audio unit connector B (14P).
NOTE: Eject all the CDs before disconnecting the audio unit to prevent damaging the CD player's load mechanism.
24. Check for continuity between audio unit connector A (24P), connector B (14P), and stereo amplifier connector B (28P) according to the table.
Is there continuity?
YES -
Go to step 25.
NO -
There is an open in the wire(s) between the stereo amplifier and the audio unit. Replace the affected shielded harness.�
25. Check for continuity between audio unit connector A (24P) and B (14P) body ground according to the table.
Is there continuity?
YES -
There is a short to body ground in the wire(s) between the stereo amplifier and the audio unit. Replace the affected shielded harness.�
NO -
Go to step 26.
26. Check for continuity between the terminals of stereo amplifier connector B (20P) and audio unit connector A (24P) and B (14P) according to the table.
Is there continuity between any of the terminals?
YES -
There is a short in the wires between the stereo amplifier and the audio unit. Replace the affected shielded harness.�
NO -
Go to step 27.
27. Reconnect stereo amplifier connector A (18P).
28. Measure the voltage between stereo amplifier connector A (18P) terminal No. 18 and body ground.
Is there battery voltage?
YES -
Go to step 29.
NO -
Repair an open in the wire between the No. 15 (20A) fuse in the passenger's under-dash fuse/relay box and stereo amplifier connector B (18P) terminal No. 18.�
29. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
30. Measure the voltage between stereo amplifier connector B (20P) terminal No. 1 and body ground.
Is there battery voltage?
YES -
Go to step 31.
NO -
Repair an open in the wire between the stereo amplifier and the audio unit. If the wire and pin fits are OK, 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.�
31. Measure the voltage between body ground and stereo amplifier connector A (18P) terminal No. 9.
Is there less than 0.2 V?
YES -
Substitute a known-good audio unit, and recheck. If the symptom/indication goes away, replace the original audio unit.If the symptom is still present, substitute a known-good stereo amplifier Service and Repair, and recheck. If the symptom/indication goes away, replace the original stereo amplifier.�
NO -
Repair an open or high resistance in the wire between the stereo amplifier connector A (18P) terminal No. 9 and body ground (G653) Harness Locations.�