No Sound is Heard From Speakers (Display Is Normal)

No sound is heard from speaker(s) (display is normal)

NOTE:
- Set the fader and balance positions to the center.
- Before performing symptom troubleshooting, do the power switch will not turn on troubleshooting.
- Always check the connectors for poor connections or loose terminals.

1. Check for sound in each mode (AM, FM, XM, and tape/disc).

Is the sound OK in each mode?

YES - Intermittent failure. The system is OK at this time. Check for loose connections at the audio unit and amplifier.

NO - Go to step 2.

2. Check that the volume button is not set to the min level.

Is it at MIN level?

YES - Raise the volume level, and recheck the function.

NO - Go to step 3.

3. Check the NAVIGATION VOICE MUTE COMMAND and HANDSFREELINK MUTE MODE.

Are the NAVIGATION VOICE MUTE COMMAND and HANDSFREELINK MUTE MODE set?

YES - Cancel the NAVIGATION VOICE MUTE COMMAND by pressing the voice command and HANDSFREELINK BACK button, and recheck the function.

NO - Go to step 4.

4. Do the speaker check mode in the self-diagnostic function.

Do any or all of the speakers fail to sound?

YES - Speaker(s) failed the test:
- If at least one speaker is OK, go to step 5.
- If all speakers fail to sound, go to stereo amplifier has no sound.

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.
- If the sound is poor only with AM or FM, go to poor AM or FM radio reception or interference.
- If the sound is poor only with tape/disc.
- Try several known-good tapes/disc in the audio unit.
- If the sound quality is normal, the original tape/disc is faulty.
- If the sound quality is still poor, replace the audio unit.

- If the sound is poor in all modes, go to sound quality diagnosis Sound Quality Diagnosis.

5. Remove the speaker(s) that fail to sound, and disconnect its connector.
6. Do the speaker test.

Is the speaker OK?

YES - Go to step 7.

NO - Replace the speaker.

7. Remove the right kick panel, and disconnect the stereo amplifier connector A (14P).




8. Check for continuity between the stereo amplifier connector A (14P) terminals and body ground according to the table.

Is there continuity?

YES - Repair short in the wire between the stereo amplifier and speaker.

NO - Go to step 9.

9. Connect each speaker 2P connector terminal No.1 and No.2 with a jumper wire.




10. Check for continuity between the stereo amplifier connector A (14P) terminals according to the table.

Is there continuity?

YES - Go to step 11.

NO - Repair open in the wire between the stereo amplifier and the speaker.

11. Remove the audio-HVAC display module assembly, and disconnect the audio unit connectors.
12. Disconnect the stereo amplifier connector B (20P).




13. Check for continuity between the stereo amplifier connector B and body ground according to the table.

Is there continuity?

YES - Repair short in the wire between the stereo amplifier and the audio unit.

NO - Go to step 14.




14. Check for continuity between the stereo amplifier connector B and audio unit connectors A and C according to the table.

Is there continuity?

YES - Go to step 15.

NO - Repair open in the wire between the stereo amplifier and audio unit.

15. Substitute a known-good stereo amplifier.
16. Reconnect all connectors.
17. Do the speaker check mode in the self-diagnosis.

Are there any failed speakers?

YES - Replace the audio unit.

NO - The original stereo amplifier is faulty; replace it.