No Sound Is Heard From Speaker(s) (Display Is Normal)

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

NOTE:
- Check the vehicle battery condition first.
- Set the fader and balance positions to the center.
- Before doing symptom troubleshooting, do the power switch will not turn ON troubleshooting.
- Always check the connector for poor connections or loose terminals.

1. Turn the ignition switch ON (II).
2. Turn on the audio unit and check that the volume button is not set the MIN level.

Is it at the MIN level?

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

NO -
- With navigation: Go to step 2.
- Without navigation: Go to step 3.

3. Check the NAVIGATION MUTE COMMAND.

Is the NAVIGATION MUTE MODE set?

YES - Cancel the NAVIGATION MUTE MODE by pressing the voice command back button, and recheck the function.

NO - Go to step 3.

4. Check to see if there is a specific speaker(s) that has no sound.

Is there a specific speaker?

YES - Go to step 5.

NO - Go to step 8.

5. Turn the ignition switch OFF.
6. Check the speaker(s) with no sound for any damage.

Is there any damage?

YES - Substitute the speaker and recheck.

NO - Go to step 7.

7. Remove the speaker(s) with no sound, and disconnect its connector.
8. Check the speaker 2P connector for a loose or poor connection.

Reconnect the speaker 2P connector and recheck the symptom; does it still fail?

YES - Go to step 9.

NO - Operation is normal.

9. Measure the resistance between the No. 1 and No. 2 terminals of the speaker connector.

Is there about 4 ohms?

YES - Go to step 10.

NO - Faulty speaker(s).

10. Reconnect the speaker, and remove the audio unit. Disconnect the audio unit connector A (20P) and C (8P).

NOTE: Eject all the CDs before removing the audio unit and CD changer to prevent damaging the CD player's load mechanism.

11. Measure the resistance between following terminals of audio unit connector A (20P) according to table.






Is there more than 4 ohms?

YES - Go to step 12.

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

12. Disconnect the speaker 2P connector.
13. Check for continuity between body ground and audio unit connector A (20P) No. 5, 6, 7, 8, 15, 16, 17 terminals and 18 individually and between body ground and audio unit connector C (8P) terminals No. 4 and No. 5 individually.






Is there continuity?

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

NO - Substitute a known-good audio unit and recheck. If the symptom/indication goes away, replace the original audio unit.