No Sound Is Heard From the Speaker(s) (Display Is Normal) (Without Premium 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 premium audio)

NOTE:

- Check the vehicle battery condition.

- Check the connectors for poor connections or loose terminals.

- Set the fader and balance positions to the center.

- Before doing symptom 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)

1. Turn the ignition switch to ON (II).

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. Go to the speaker check mode in the audio system self-diagnostic function. Initial Inspection and Diagnostic Overview

Do all speakers produce a tone?
YES - Intermittent failure; the system is OK at this time. Check for poor connections at the audio unit and speakers.

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 - Substitute 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 problem still present?
YES - Go to step 8.

NO - Operation is normal.


8. Measure the resistance between the terminals No. 1 and No. 2 of the speaker.
NOTE: If the problem is in the front door speakers, measure the resistance of the door speaker and the door tweeter.

Is there about 4 Ohms?
YES - Go to step 9.

NO - Replace the faulty speaker(s).






9. Remove the audio unit with navigation, Audio Unit Removal/Installation (With Navigation) without navigation. Audio Unit Removal/Installation (Without Navigation) Disconnect audio unit connector A (24P).
NOTE: Eject all the CDs before removing the audio unit and CD changer to prevent damaging the CD player's load mechanism.

10. Check for continuity between the following terminals of audio unit connector A (24P) according to the table.





Is there continuity?
YES - Go to step 11.

NO - Repair open in the wires between the audio unit and speaker(s).






11. Disconnect the speaker 2P connector.

12. Check for continuity between audio unit connector A (24P) and body ground according to the table.





Is there continuity?
YES - Repair short to body ground in the wire(s) between the audio unit and the speaker(s).

NO - Substitute a known-good audio unit with navigation, Audio Unit Removal/Installation (With Navigation) without navigation, Audio Unit Removal/Installation (Without Navigation) and recheck. If the symptom/indication goes away, replace the original audio unit with navigation, Audio Unit Removal/Installation (With Navigation) without navigation. Audio Unit Removal/Installation (Without Navigation)