No Sound Is Heard From Speaker(s) (Display Is Normal) (Without Navigation)
No sound is heard from speaker(s) (display is normal) (without navigation)NOTE:
- Set the fader and balance positions to the center.
- Before performing symptom troubleshooting, do the power switch will not turn ON troubleshooting.
- For vehicles with factory installed audio, do the self diagnostic function, speaker check to help isolate the speaker.
1. Check that the volume button is not set to min level.
Is it at MIN level?
YES - Raise the volume level, and recheck the function.
NO - Go to step 2.
2. Check to see if there is a specific speaker that has no sound.
Is there a specific one?
YES - Go to step 3.
NO - Go to step 6.
3. Turn the ignition switch OFF.
4. Check the speaker with sound for any damage.
Is there any damage?
YES - Substitute the speaker and recheck.
NO - Go to step 5.
5. Remove the speaker(s) with no sound, and disconnect its connector.
6. 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 7.
NO - Operation is normal.
7. Measure the resistance between the No.1 and No.2 terminals of the speaker connector.
Is there about 4 ohms?
YES
- With premium sound system: Go to step 12.
- Without premium sound system: Go to step 8.
NO - Faulty speaker(s).
8. Remove the audio unit. Disconnect audio unit connector A (17P).
9. Measure the resistance between the following terminals of audio unit connector A (17P) according to the table.
Is there about 4 ohms?
YES - Go to step 10.
NO - Repair short in the wires between the audio unit and speaker.
10. Disconnect the speaker 2P connector.
11. Check audio unit connector A (17P) terminals No.2, 3,7,8, 11, 12, 15, and 16 individually for continuity to body ground.
Is there continuity?
YES - Repair short to body ground 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.
12. Disconnect stereo amplifier connector A (20P), and connector B (14P).
13. Measure the voltage between stereo amplifier connector A (20P) No. 10 terminal and body ground
Is there battery voltage?
YES - Go to step 14.
NO - '07 model: Repair open in the wire between No. 17 (15 A) fuse in the under-hood fuse/relay box and stereo amplifier connector A (20P) No. 10 terminal.
14. Turn the ignition switch ON (II), and push the PWR button on the audio unit.
15. Measure the voltage between stereo amplifier connector A (20P) No.9 terminal and body ground.
Is there battery voltage?
YES - Go to step 16.
NO - Repair open in the wire between No. 35 (7.5 A) fuse in the under-dash fuse/relay box and stereo amplifier connector A (20P) No.9 terminal.
16. Measure the voltage between stereo amplifier connector B (14P) No.7 terminal and body ground.
Is there battery voltage?
YES - Go to step 17.
NO - Repair open in the wire between the stereo amplifier connector B (14P) No.7 terminal and audio unit connector B (20P) No. 16 terminal.
17. Reconnect stereo amplifier connector A (20P), and connector B (14P).
18. Measure the voltage between stereo amplifier connector A (20P) No. 20 terminal and body ground, and between stereo amplifier connector B (14P) No. 14 terminal and body ground.
Is there less than 0.1 V on both terminals?
YES - Go to step 19.
NO - Repair open in the wire between stereo amplifier connector A (20P) No. 20 terminal or connector B (14P) No. 14 terminal and body ground, 2-door model (G505), 4-door model (G601).
19. Disconnect stereo amplifier connector A (20P) and, connector B (14P).
20. Check for resistance between the following terminals of stereo amplifier connector A (20P) according to the table.
Is there about 4 ohms?
YES - Go to step 21.
NO - Repair short in the wires between the stereo amplifier and speaker.
21. Disconnect the 2P connector(s) to the speaker(s).
22. Check for continuity between stereo amplifier connector A (20P) and body ground according to the table.
Is there continuity?
YES - Repair short to body ground in the wire between the audio unit and the speaker.
NO
- 2-door model: Go to step 23.
- 4-door model: Go to step 26.
23. Disconnect audio unit connector A (17P).
24. Check for continuity between stereo amplifier connector B (14P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and stereo amplifier connector B (14P) No.2 terminal (the harness shield).
Is there continuity?
YES - Repair short in the wire between the stereo amplifier and the audio unit. Replace the appropriate shielded harness.
NO - Go to step 25.
25. Check for continuity between audio unit connector A and stereo amplifier connector B according to the table.
Is there continuity?
YES - Substitute a known-good audio unit and recheck. If the symptom/indication goes away, replace the original audio unit. If symptom is still present, substitute a known-good stereo amplifier and recheck. If the symptom/indication goes away, replace the original stereo amplifier.
NO - Repair open in the wire between the audio unit and stereo amplifier.
26. Disconnect audio unit connector A (17P).
27. Check for continuity between stereo amplifier connector B (14P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and stereo amplifier connector B (14P) No.2 terminal (the harness shield).
Is there continuity?
YES - Repair short in the wire between the stereo amplifier and the audio unit. Replace the appropriate shielded harness.
NO - Go to step 28.
28. Check for continuity between audio unit connector A and stereo amplifier connector B according to the table.
Is there continuity?
YES - Go to step 29.
NO - Repair open in the wire between the audio unit and stereo amplifier.
29. Check for continuity between stereo amplifier connector B (14P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and stereo amplifier connector B (14P) No.5 terminal (the harness shield).
Is there continuity?
YES - Repair short in the wire between the stereo amplifier and the audio unit. Replace the appropriate shielded harness.
NO - Go to step 30.
30. Check for continuity between audio unit connector A and stereo amplifier connector B according to the table.
Is there continuity?
YES - Go to step 31.
NO - Repair open in the wire between the audio unit and stereo amplifier.
31. Check for continuity between stereo amplifier connector B (14P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and stereo amplifier connector B (14P) No.9 terminal (the harness shield).
Is there continuity?
YES - Repair short in the wire between the stereo amplifier and the audio unit. Replace the appropriate shielded harness.
NO - Go to step 32.
32. Check for continuity between audio unit connector A and stereo amplifier connector B according to the table.
Is there continuity?
YES - Go to step 33.
NO - Repair open in the wire between the audio unit and stereo amplifier.
33. Check for continuity between stereo amplifier connector B (14P) and body ground according to the table. Then check for continuity between the same terminals listed in the table and stereo amplifier connector B (14P) No. 12 terminal (the harness shield).
Is there continuity?
YES - Repair short in the wire between the stereo amplifier and the audio unit. Replace the appropriate shielded harness.
NO - Go to step 34.
34. Check for continuity between audio unit connector A and stereo amplifier connector B according to the table.
Is there continuity?
YES - Substitute a known-good audio unit and recheck. If the symptom/indication goes away, replace the original audio unit. If symptom is still present, substitute a known-good stereo amplifier and recheck. If the symptom/indication goes away" replace the original stereo amplifier.
NO - Repair open in the wire between the audio unit and stereo amplifier.