Problem Symptoms Table
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
AUDIO FUNCTION
| Symptom | Suspected Area | See |
|---|---|---|
| No sound can be heard from the front speakers only. | Front No. 1 speaker assembly | Refer to ON-VEHICLE INSPECTION |
| Wire harness and connector | - | |
| Radio receiver assembly | - | |
| No sound can be heard from the tweeter speakers only. | Front No. 2 speaker assembly | Refer to ON-VEHICLE INSPECTION |
| Wire harness and connector | - | |
| No sound can be heard from the rear speakers only. | Rear speaker assembly | Refer to ON-VEHICLE INSPECTION |
| Wire harness and connector | - | |
| Radio receiver assembly | - | |
| External device or USB audio sound cannot be heard or sound quality is bad. (Stereo jack is used.) | Radio receiver power source circuit | - |
| Stereo jack adapter assembly | Refer to REMOVAL | |
| Wire harness and connector | - | |
| Radio receiver assembly | - | |
| Audio system cannot be operated with steering pad switch. | Steering pad switch | Refer to INSPECTION |
| Spiral cable | Refer to INSPECTION | |
| Radio receiver assembly | - |
"BLUETOOTH" HANDS-FREE FUNCTION
| Symptom | Suspected Area | See |
|---|---|---|
| Other caller cannot hear your voice, or your voice is too quiet or distorted. | Microphone amplifier assembly | Refer to REMOVAL |