AUDIO AND VISUAL SYSTEM PROBLEM SYMPTOMS TABLE
Tech Tips
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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.
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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 "Radio Receiver Power Source Circuit" | ||
| Radio receiver assembly | ||
| Panel switch does not function | Proceed to "Steering Pad Switch Circuit" | |
| Radio receiver assembly | ||
| No sound can be heard from speakers (audio is mute) (for separate type amplifier system) | Proceed to "Radio Receiver Power Source Circuit" | |
| Proceed to "No Sound can be Heard from Speakers" | ||
| Proceed to "Speaker Circuit (Independent Amplifier)" | ||
| Radio receiver assembly | ||
| No sound can be heard from speakers (audio is mute) (for built-in type amplifier system) | Proceed to "Radio Receiver Power Source Circuit" | |
| Proceed to "No Sound can be Heard from Speakers" | ||
| Proceed to "Speaker Circuit (Built-in Amplifier)" | ||
| Radio receiver assembly | ||
| Sound quality is bad in all modes (volume is too low) (for separate type amplifier system) | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | |
| Proceed to "Speaker Circuit (Independent Amplifier)" | ||
| Proceed to "Stereo Component Amplifier Power Source Circuit" | ||
| Stereo component amplifier assembly | ||
| Radio receiver assembly | ||
| Sound quality is bad in all modes (volume is too low) (for built-in type amplifier system) | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | |
| Proceed to "Speaker Circuit (Built-in Amplifier)" | ||
| Radio receiver assembly | ||
| ASL does not function | Proceed to "Speed Signal Circuit" | |
| External device sound cannot be heard or sound quality is bad (stereo jack is used) | Proceed to "Radio Receiver Power Source Circuit" | |
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter" | ||
| No. 1 stereo jack adapter assembly | ||
| Radio receiver assembly | ||
| Abnormal noise occurs (for separate type amplifier system) | Proceed to "Noise Occurs" | |
| Stereo component amplifier assembly | ||
| Radio receiver assembly | ||
| Abnormal noise occurs (for built-in type amplifier system) | Proceed to "Noise Occurs" | |
| Radio receiver assembly | ||
| Radio broadcast cannot be received or poor reception | Proceed to "Radio Broadcast cannot be Received (Bad Reception)" | |
| 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 ejected | Proceed to "Radio Receiver Power Source Circuit" | |
| Proceed to "CD cannot be Ejected" | ||
| 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" | |
| Radio receiver cannot be illuminated at night | Proceed to "Illumination 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 |
|---|---|---|
| Cellular phone registration failure, phone directory transfer failure | Proceed to "Cellular Phone Registration Failure, Phone Directory Transfer Failure" | |
| Cellular phone cannot send/receive | Proceed to "Cellular Phone cannot Send/Receive" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Radio receiver assembly | ||
| The other caller's voice cannot be heard, is too quiet, or distorted | Proceed to "The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted" | |
| Radio receiver assembly | ||
| Stereo component amplifier assembly | ||
| The other caller cannot hear your voice, or your voice is too quiet or distorted | Proceed to "The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted" | |
| Proceed to "Microphone Circuit between Microphone and Radio Receiver" | ||
| Telephone microphone assembly | ||
| Radio receiver assembly | ||
| The "Bluetooth" function cannot be operated with the steering pad switch. | Proceed to "Steering Pad Switch Circuit" | |
| Proceed to "Microphone Circuit between Microphone and Radio Receiver" | ||
| Telephone microphone assembly |