Symptom Troubleshooting

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 navigation)

NOTE:

- Check the vehicle battery condition first.

- Set the fader and balance positions to the center.

- Before doing symptom troubleshooting, do the audio unit power switch will not turn ON troubleshooting. Symptom Troubleshooting

- Do the self-diagnostic function, speaker check Initial Inspection and Diagnostic Overview to help isolate the speaker.

- Check the connectors for poor connections or loose terminals.

- Make sure the volume is NOT set to the MIN level.

- If there is sound from the door speaker but not from the tweeter, replace the tweeter. If there is still no sound from the tweeter, repair or replace the harness.

- Some models have tweeter grills, but do not have tweeters or related wiring.

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

2. Note if there is a specific speaker(s) that has no sound.

3. Turn the ignition switch to LOCK (0).

4. Remove the audio unit, Audio Unit Removal/Installation (Without Navigation) and disconnect audio unit connector A (24P).

5. Remove and disconnect the tweeters (if equipped). Speaker Test/Replacement

6. Measure the resistance between both pairs of speaker wires (+) and (-) at audio unit connector A (24P) according to the table.





Is there about 4 Ohms?
YES - Check the speaker(s) with no sound for any damage. Substitute a known-good speaker Speaker Test/Replacement and recheck.

NO - Go to step 7.






7. Remove the speaker(s) Speaker Test/Replacement with no sound, and disconnect its connector.

8. Measure the resistance between the terminals No 1 and No. 2 of the speaker connector.. Speaker Test/Replacement

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

NO - Faulty speaker(s).


9. Disconnect the speaker connector(s), check for short to ground and shorts in the wires between both pairs of speaker wires, (+) and (-), at audio unit connector A (24P) according to the table.





Is there continuity?
YES - There is a short(s) in the wire(s) between the audio unit and the faulty speaker(s).

NO - Replace the audio unit. Audio Unit Removal/Installation (Without Navigation)