Tech Tips
Use the table below to help determine the cause of the problem symptom. 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 |
|---|---|---|
| Black screen (No image appears on screen.). | Proceed to "Television Display Power Source Circuit" | |
| Proceed to "Visual Mute Signal Circuit between Navigation ECU and Television Display" | ||
| Proceed to "Display Signal Circuit between Navigation ECU and Television Display" | ||
| Proceed to "Audiovisual Signal Circuit between HDMI Terminal and Television Display Assembly" | ||
| Proceed to "Display Signal Circuit between Video (Video Adapter) Terminal and Television Display" | ||
| HDMI Terminal (Antenna cord sub assembly) | ||
| Video (Video Adapter) Terminal | ||
| Television display assembly | ||
| Navigation receiver assembly | ||
| Color on display screen is not usual. | Adjust the settings for contrast, tint, color and brightness | - |
| Proceed to "Color Bar Check" in Operation Check | ||
| Proceed to "Display Signal Circuit between Navigation ECU and Television Display" | ||
| Proceed to "Audiovisual Signal Circuit between HDMI Terminal and Television Display Assembly" | ||
| Proceed to "Display Signal Circuit between Video (Video Adapter) Terminal and Television Display" | ||
| HDMI Terminal (Antenna cord sub assembly) | ||
| Video (Video Adapter) Terminal | ||
| Television display assembly | ||
| Navigation receiver assembly | ||
| The screen is not stabilized. | Proceed to "Visual Mute Signal Circuit between Navigation ECU and Television Display" | |
| Proceed to "Display Signal Circuit between Navigation ECU and Television Display" | ||
| Proceed to "Audiovisual Signal Circuit between HDMI Terminal and Television Display Assembly" | ||
| Check if the external device is normal | - | |
| Proceed to "Display Signal Circuit between Video (Video Adapter) Terminal and Television Display" | ||
| HDMI Terminal (Antenna cord sub assembly) | ||
| Video (Video Adapter) Terminal | ||
| Television display assembly | ||
| Navigation receiver assembly | ||
| Television display does not turn on. | Proceed to "A Remote Control System does not Operate" | |
| Proceed to "Television Display Power Source Circuit" | ||
| Rear switch and volume assembly | - | |
| Television display assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| A rear switch and volume assembly system does not operate. | Proceed to "A Remote Control System does not Operate" | |
| Proceed to "Remote Commander Check" in Operation Check | ||
| Television display assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Quality of sound from speakers is poor or no sound can be heard. | Check if the external device is normal | - |
| Proceed to "Sound Signal Circuit between Video (Video Adapter) Terminal and Television Display" | ||
| Proceed to "Audiovisual Signal Circuit between HDMI Terminal and Television Display Assembly" | ||
| HDMI Terminal (Antenna cord sub assembly) | ||
| Video (Video Adapter) Terminal | ||
| Television display assembly | ||
| Navigation receiver assembly |