No Sound Is Heard From the Speaker(s) (Display Is Normal)
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)
NOTE:
- Check the vehicle battery condition first Battery Test.
- Check the connectors for poor connections or loose terminals.
- Do the individual speaker test.
- Set the fader and balance positions to the center.
- Before doing symptom troubleshooting, do the Audio unit power switch will not turn on (No information display and no sound) troubleshooting Audio Unit Power Switch Will Not Turn On (No Information Display and No Sound).
1. Turn the ignition switch to ON (II).
2. Turn on the audio system, 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. Check for sound in each mode (AM/FM, CD, XM, and USB).
Is there sound in all modes, and is the sound normal?
YES -
Intermittent failure. The system is OK at this time. Check for poor connections at the audio unit and speaker(s).
NO -
- If there is no sound in all modes, go to step 4.
- If there is no sound in AM/FM mode, do the AM or FM radio reception or interference troubleshooting Symptom Troubleshooting.
- If there is no sound in CD mode, do the Audio disc does not play troubleshooting Symptom Troubleshooting.
- If there is no sound in the XM radio, do the Poor or no sound with XM radio troubleshooting Poor or No Sound With XM Radio (Audio Unit Does Display XM Channels).
- If there is no sound in the USB mode, do the USB input sound is low or cannot be heard troubleshooting Symptom Troubleshooting.
4. On the steering wheel, check if the navigation TALK command, and/or the HandsFreeLink (HFL)TALK command are set.
Are the navigation TALK command and/or the HFL TALK command functions set?
YES -
Cancel the navigation TALK command by pressing the navigation BACK button, and for the HFL TALK command, pressing the HFL BACK button, then recheck the function.
NO -
Go to step 5.
5. Check to see if there is a specific speaker(s) that has no sound.
Is there a specific speaker without sound?
YES -
Go to step 6.
NO -
Go to step 9.
6. Turn the ignition switch to LOCK (0).
7. Check the speaker(s) that has no sound for any damage.
Is there any damage?
YES -
Replace the speaker(s), and recheck.
NO -
Go to step 8.
8. Remove the speaker(s) that has no sound Speaker Test/Replacement, and disconnect its connector.
9. 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 10.
NO -
Intermittent failure. Operation is normal.
10. Measure the resistance between the terminals No. 1 and No. 2 of the speaker connector.
Is there speaker(s) OK?
YES -
Go to step 11.
NO -
Replace the speaker(s), and recheck.
11. Measure the voltage between stereo amplifier connector B (14P) terminal No. 4 and body ground.
Is there battery voltage?
YES -
Go to step 12.
NO -
Repair an open in the wire between the No. 2 (30 A) fuse in the passenger's under-dash fuse/relay box and stereo amplifier connector B (14P) terminal No. 4.
12. Turn the ignition switch to ON (II).
13. Measure the voltage between stereo amplifier connector C (23P) terminal No. 19 and body ground.
Is there battery voltage?
YES -
Go to step 14.
NO -
Repair an open in the wire between stereo amplifier connector C (23P) terminal No. 19 and audio unit connector A (20P) terminal No. 1. If the wire and pin fits are OK, substitute a known-good audio unit Audio Unit Removal / Installation, and recheck. If the symptom/indication goes away, replace the original audio unit Audio Unit Removal / Installation.
14. Measure the voltage between stereo amplifier connector B (14P) terminal No. 3 and body ground.
Is there less than 0.2 V?
YES -
Go to step 15.
NO -
Repair an open in the wire between stereo amplifier connector B (14P) terminal No. 3 and body ground (G652).
15. Disconnect stereo amplifier connector B (14P) and C (23P).
16. Measure the resistance of stereo amplifier connectors B (14P) and C (23P) according to the table.
Is there resistance OK?
YES -
Go to step 17.
NO -
Repair an open in the wire between the stereo amplifier and the speakers.
17. Disconnect the speaker 2P connector.
18. Check for continuity between stereo amplifier connector B (14P) and C (23P) terminals and body ground according to the table.
Is there continuity?
YES -
Repair a short in the wire between the stereo amplifier and the appropriate speakers.
NO -
Go to step 19.
19. Reconnect the 2P connector(s) to the speaker(s).
20. Disconnect audio unit connector A (20P) and audio unit connector B (32P).
NOTE: Eject all the CDs before removing the audio unit and CD changer to prevent damaging the CD player's load mechanism.
21. Disconnect stereo amplifier connector A (26P).
22. Check for continuity between audio unit connector A (20P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and audio unit connector A (20P) terminal No. 14 (the harness shield).
Is there continuity?
YES -
There is a short in the wire between the audio unit and the stereo amplifier or a short between the shield wires. Replace the affected shielded harness.
NO -
Go to step 23.
23. Check for continuity between audio unit connector B (32P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and audio unit connector B (32P) terminal No. 19 (the harness shield).
Is there continuity?
YES -
There is a short in the wire between the audio unit and the stereo amplifier or a short between the shield wires. Replace the affected shielded harness.
NO -
Go to step 24.
24. Check for continuity between audio unit connector B (32P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and audio unit connector B (32P) terminal No. 3 (the harness shield).
Is there continuity?
YES -
There is a short in the wire(s) between the audio unit and the stereo amplifier or a short between the shield wires. Replace the affected shielded harness.
NO -
Go to step 25.
25. Check for continuity between audio unit connectors A (20P) and B (32P) and stereo amplifier connector A (26P) 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 Audio Unit Removal / Installation. If 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 Service and Repair.
NO -
Repair an open in the wire(s) between the audio unit and the stereo amplifier.