NOTE:
1. Problem verification:
Is there sound in all modes, and is the sound normal?
YES
Intermittent failure, the system is OK at this time. Check for loose connections at the audio-navigation unit and speaker(s).
NO: No sound is heard in all modes
The failure is duplicated in all modes, go to step 2.
NO: No sound is heard in AM/FM mode
Go to Audio System Symptom Troubleshooting - Poor AM or FM radio reception or interference (With Navigation).
NO: No sound is heard in USB mode
Go to Audio System Symptom Troubleshooting - USB device does not function (With Navigation).
NO: No sound is heard in CD mode
Check for disc damage (scratches, fingerprints, and marks).
2. Speaker visual check:
Is there any damage?
YES
Replace the faulty speaker(s).
NO
Go to step 3.
3. Speaker internal resistance check:
Is the speaker(s) OK?
YES
Go to step 4.
NO
Replace the faulty speaker(s).
4. Wire check (FL SPKR+/-, FR SPKR+/-, RL SPKR+/-, RR SPKR+/- lines):
NOTE: Eject all the discs before disconnecting the audio-navigation unit to prevent damaging the CD player's load mechanism.
Audio-navigation unit connector A (24P)
Left tweeter 2P connector
Right tweeter 2P connector
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Is there about 4 Ω?
YES
The SPKR wires are not open and short. Go to step 5.
NO
Repair an open or short in the wire (s) between the audio-navigation unit and the speaker(s).
5. Shorted wire check (FL SPKR+/-, FR SPKR+/-, RL SPKR+/-, RR SPKR+/- lines):
Driver's door speaker 2P connector
Front passenger's door speaker 2P connector
Left rear door speaker 2P connector
Right rear door speaker 2P connector
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Is there continuity?
YES
Repair a short to body ground in the wire (s) between the audio-navigation unit and the speaker(s).
NO
The SPKR wires are OK. Go to step 6.
6. Open wire check (SPKR (Tweeter) FL SPKR+/-, FR SPKR+/- lines):
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Is there continuity?
YES
Replace the audio-navigation unit.
NO
Repair an open in the wire (s) between the audio-navigation unit and the tweeter.
No Sound Is Heard From The Speaker (s) (Display Is Normal) (Without
Navigation, Color Audio Type (5-inch Screen) )
No Sound Is Heard From The Speaker(s) (Display Is Normal) (Without
Navigation, Display Audio Type (7-inch Screen) )
Poor AM Or FM Radio Reception Or Interference (With Navigation)
Combination Light Switch Removal, Installation, and Test
Keyless Access System Symptom Troubleshooting - The Key-In Reminder Sounds
In Vehicle OFF (lock) Mode When Door Is Open