No Sound Is Heard From The Speaker(s) From All Inputs (Display Is Normal) (With Rear Entertainment System And/Or Navigation)
Audio System Symptom Troubleshooting - No sound is heard from the speaker(s) from the all inputs (display is normal) (With rear entertainment system and/or navigation)
No sound is heard from the speaker(s) from all inputs (display is normal) (With rear entertainment system and/or navigation)
NOTE:
- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- Set the fader and balance positions to the center.
- Make sure the volume is not set to the MIN level.
- Before doing the 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. Make sure the volume is not set to the MIN level, and check for sound in all modes (AM/FM, CD, XM, USB).
Is there sound in all modes, and is the sound normal?
YES -
System is OK at this time. Check for poor connections at the audio unit, speakers, and stereo amplifier.
NO -
- If there is no sound in all modes, go to step 3.
- If there is no sound in AM/FM mode, go to AM or FM radio reception interference Symptom Troubleshooting.�
- If there is no sound in CD mode, go to the audio disc does not play Symptom Troubleshooting.�
- If there is no sound in the XM radio, go to the Poor or no sound with XM radio Poor Or No Sound With XM Radio (Audio Unit Does Display XM Channels).�
- If there is no sound in the USB mode, go to the USB input sound is low or cannot be heard Symptom Troubleshooting.�
3. On the steering wheel, check the navigation talk command, and/or the HandsFreeLink talk command function.
Are the navigation talk command and/ or the HFL talk command function set?
YES -
Cancel the navigation talk command by pressing the navigation BACK button, and/or HFL talk command, press the HFL BACK button, then recheck the function.�
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 -
Replace the speaker(s) Speaker Test/Replacement, and recheck.�
NO -
Go to step 6.
6. Remove the speaker(s) that has no sound Speaker Test/Replacement, and disconnect its connector.
7. Check the speaker connector for a loose or poor connection.
Reconnect the speaker connector, and recheck the symptom; is the condition still present?
YES -
Go to step 8.
NO -
Intermittent failure. Operation is normal.�
8. Test the speaker(s) Speaker Test/Replacement.
Is the speaker OK?
YES -
Go to step 9.
NO -
Replace the speaker(s) Speaker Test/Replacement, and retest.�
9. Reconnect the speaker connector.
10. Measure the voltage between body ground and stereo amplifier connector A (24P) terminals No. 12 and No. 24 individually.
Is there battery voltage?
YES -
Go to step 11.
NO -
Repair an open in the wire between the No. 31
(30 A) fuse in the under-dash fuse/relay box and the stereo amplifier.�
11. Turn the ignition switch to ON (II).
12. Measure the voltage between stereo amplifier connector B (28P) terminal No. 1 and body ground.
Is there battery voltage?
YES -
Go to step 13.
NO -
Repair an open in the wire between stereo amplifier connector B (28P) and audio unit connector A (24P).�
13. Measure the voltage between body ground and stereo amplifier connector A (24P) terminals No. 1 and No. 13 individually.
Is there less than 0.2 V?
YES -
Go to step 14.
NO -
Repair an open or high resistance in the wire between stereo amplifier connector A (24P) and body ground (G402).�
14. Turn the ignition switch to LOCK (0).
15. Disconnect stereo amplifier connector A (24P).
16. Check for continuity between body ground and stereo amplifier connector A (24P) according to the table.
Is there continuity?
YES -
Repair a short to body ground in the wire(s) between the stereo amplifier and the speaker(s).�
NO -
Go to step 17.
17. Measure the resistance between both pairs of stereo amplifier connector A (24P) terminals (+) and (-) according to the table.
Is the resistance OK?
YES -
Go to step 18.
NO -
Repair an open or a short in the wire(s) between the stereo amplifier and the speaker(s).�
18. Disconnect audio unit connector A (24P) and connector B (14P).
NOTE: Eject all the discs before disconnecting the audio unit to prevent damaging the CD/DVD player's load mechanism.
19. Check for continuity between audio unit connector A (24P), connector B (14P) and stereo amplifier connector B (28P) according to the table.
Is there continuity?
YES -
Go to step 20.
NO -
Repair an open in the wire(s) between the stereo amplifier and the speaker(s).�
20. Check for continuity between body ground and stereo amplifier connector B (28P) according to the table.
Is there continuity?
YES -
Repair a short to body ground in the wire(s) between the audio unit and the stereo amplifier.�
NO -
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 the 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.�