Tech Tips
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.
| Symptom | Suspected Area | See page |
|---|---|---|
| Pressing power switch does not turn on system | Proceed to "Pressing Power Switch does not Turn on System" | |
| Proceed to "Steering Pad Switch Circuit" (w/ Steering Pad Switch) | ||
| Radio receiver assembly | ||
| Panel switch does not function | Radio receiver assembly | |
| Radio receiver does not illuminate at night | Proceed to "Illumination Circuit" | |
| Radio receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| No sound can be heard from speakers (audio is mute) | Proceed to "Radio Receiver Power Source Circuit" | |
| Proceed to "No Sound can be Heard from Speakers" | ||
| Proceed to "Speaker Circuit" | ||
| Radio receiver assembly | ||
| Sound quality is bad in all modes (volume is too low) | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | |
| Proceed to "Speaker Circuit" | ||
| Radio receiver assembly | ||
| Abnormal noise occurs | Proceed to "Noise Occurs" | |
| Radio receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Radio broadcast cannot be received or poor reception | Proceed to "Radio Broadcast cannot be Received (Bad Reception)" | |
| Radio broadcast can be received but radio station cannot be displayed (some radio stations do not provide their name information) | Radio receiver assembly | |
| Radio broadcast can be displayed but radio broadcast cannot be heard from speakers | Operate the volume switch and turn up the volume level | - |
| Radio receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| CD cannot be inserted/played or CD is ejected right after insertion | Proceed to "Radio Receiver Power Source Circuit" | |
| Proceed to "CD cannot be Inserted/ Played or CD is Ejected Right After Insertion" | ||
| CD cannot be played or player does not function with disc | Proceed to "CD Player Outline" in System Description and check if the CD is compatible with the CD player | - |
| Radio receiver assembly | ||
| CD cannot be ejected | Proceed to "Radio Receiver Power Source Circuit" | |
| Radio receiver assembly | ||
| Sound quality is bad only when CD is played (volume is too low) | Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)" | |
| CD sound skips | Proceed to "CD Sound Skips" |
| Symptom | Suspected Area | See page |
|---|---|---|
| External device sound cannot be heard or sound quality is bad (stereo jack is used) | Proceed to "Radio Receiver Power Source Circuit" | |
| Radio receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Audio system cannot be operated with steering pad switch | Proceed to "Steering Pad Switch Circuit" | |
| Radio receiver assembly | ||
| Steering pad switch cannot be illuminated at night | Proceed to "Illumination Circuit" | |
| Radio receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| USB audio system sound cannot be heard or sound quality is bad (USB connector is used) | Proceed to [USB device or "iPod"] in System Description | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio receiver assembly | ||
| USB device or "iPod" is not recognized | Proceed to [USB device or "iPod"] in System Description | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio receiver assembly | ||
| Track information, such as track, artist and album names, is not displayed | Proceed to [USB device or "iPod"] in System Description | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio receiver assembly | ||
| USB device or "iPod" is recognized but cannot play, or can play but not in a sorted order | Proceed to [USB device or "iPod"] in System Description | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio receiver assembly | ||
| "iPod" battery cannot be charged | Proceed to [USB device or "iPod"] in System Description | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio receiver assembly |