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" | |
| Radio receiver power source circuit | ||
| Radio receiver assembly | ||
| Panel switch does not function. | Steering pad switch circuit | |
| Radio receiver assembly | ||
| No sound can be heard from speakers. (Audio is mute.) | Radio receiver power source circuit | |
| Proceed to "No Sound can be Heard from Speakers" | ||
| Stereo component amplifier power source circuit*1 | ||
| Speaker circuit | ||
| Stereo component amplifier assembly*1 | ||
| Radio receiver assembly | ||
| Sound quality is bad in all modes. (Volume is too low.) | Proceed to "Sound Quality in All Modes (Low Volume)" | |
| Speaker circuit | ||
| Stereo component amplifier assembly*1 | ||
| Radio receiver assembly | ||
| ASL does not function. | Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter" | |
| External device sound cannot be heard or sound quality is bad. (Stereo jack is used.)*2 | 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. | Proceed to "Noise occurs" | |
| Noise filter | ||
| Stereo component amplifier assembly*1 | ||
| Radio receiver assembly | ||
| Radio broadcast cannot be received or poor reception. | Proceed to "Radio Broadcast cannot be Received or Poor Reception" | |
| CD cannot be inserted/played or CD is ejected right after insertion. | Radio receiver power source circuit | |
| Proceed to "CD cannot be Inserted / Played or CD is Ejected Right After Insertion" | ||
| CD cannot be ejected. | 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. | Illumination circuit | |
| Radio receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Audio system cannot be operated with steering pad switch. | Steering pad switch circuit | |
| Radio receiver assembly | ||
| Steering pad switch cannot be illuminated at night. | 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" | |
| Steering pad switch circuit | ||
| Radio receiver assembly | ||
| Cellular phone cannot call in a certain place. | Proceed to "Cannot Call in a Certain Place" | |
| Other callers voice cannot be heard, is too quiet, or distorted. | Proceed to "The Other Caller`s Voice cannot be Heard, is too Quiet, or Distorted" | |
| Telephone microphone assembly (w/ Sliding Roof) | ||
| Telephone microphone assembly (w/o Sliding Roof) | ||
| Radio receiver assembly | ||
| 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 (w/ Sliding Roof) | ||
| Telephone microphone assembly (w/o Sliding Roof) | ||
| Radio receiver assembly |
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*1: for 8 Speakers
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*2: w/ Stereo Jack Adapter
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*3: w/ Microphone