INSPECTION
| Symptoms | Repair order |
|---|---|
| No power coming in. (No display and no sound from speakers.) | Check the fuse and power supply for audio. Check the audio ground. Remove the audio and repair them. |
| A specific speaker does not operate. | Check the speaker. Check the output circuit between audio and speaker. Check the power amplifier. (Model with harman/kardon® audio system) |
| Audio generates noise with engine running. | Check the audio ground. Check the generator. Check the ignition coil. Remove the audio and repair them. |
| Volume is low in AM and FM modes or interference noise occurs. | Check the antenna. Check the rear window defogger. Check the audio ground. Remove the audio and repair them. |
| Rear window defogger generates noise when it operate. | Check the rear window defogger. |
Note. If no problems are found in "CHECK NAVIGATION OPERATION", "CHECK EACH CONNECTION" and "CHECK EACH VEHICLE SIGNAL" as described below, check the navigation system circuit. < Ref. to WIRING DIAGRAM , Navigation System. >