AUDIO AND VISUAL SYSTEM (w/o Navigation 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 | ||
| AVC-LAN circuit | ||
| Radio receiver assembly | ||
| Panel switch does not function. | Steering pad switch circuit | |
| AVC-LAN 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 | ||
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier" | ||
| Speaker circuit | ||
| Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier" | ||
| Stereo component amplifier assembly | ||
| Radio receiver assembly | ||
| Sound quality is bad in all modes. (Volume is too low.) | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | |
| Speaker circuit | ||
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier" | ||
| Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier" | ||
| Stereo component amplifier assembly | ||
| Radio receiver assembly | ||
| ASL does not function. | Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter" | |
| External device sound cannot be heard or sound quality is bad. (Stereo jack is used.) | 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 | ||
| 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 does not illuminate at night. | Illumination circuit | |
| Radio receiver assembly | ||
| CD slot illumination on radio receiver illuminates when turning lights on during daytime or daylight hours. | Proceed to "Dimmer Signal Circuit" |
| 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 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 Callers Voice cannot be Heard, is too Quiet, or Distorted" | |
| Proceed to "Cellular Phone Voice Circuit between Radio Receiver and Stereo Component Amplifier" | ||
| Telephone microphone assembly | ||
| 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 | ||
| Radio receiver assembly | ||
| "Bluetooth" can be connected while driving. | Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter" | |
| Voice guidance instructions for voice recognition are output from the front passenger side speaker.*2 | Stereo component amplifier power source circuit | |
| Stereo component amplifier assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Portable player cannot be registered. | Proceed to "Portable Player cannot be Registered" | |
| Radio receiver assembly | ||
| Portable player cannot be connected manually/automatically. | Proceed to "Portable Player cannot be Registered" | |
| Proceed to "Portable Player cannot be Connected Manually/Automatically" | ||
| Radio receiver assembly | ||
| Cellular phone with portable audio function cannot be recognized as "Bluetooth" audio device even when connected using "Bluetooth". | Proceed to "Portable Player cannot be Registered" | |
| Proceed to "Portable Player cannot be Connected Manually/Automatically" | ||
| Radio receiver assembly | ||
| Sound of portable player cannot be heard from speakers, or sound is low. | Proceed to "Sound of Portable Player cannot be Heard from Speakers or Sound is Low" | |
| Radio receiver assembly | ||
| Portable player does not play even after "Bluetooth" audio mode is selected. | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
| Radio receiver assembly | ||
| Portable player does not play. | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
| Radio receiver assembly | ||
| Track information such as track number, track name and elapsed play time is not displayed. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Radio receiver assembly | ||
| "Bluetooth" signal condition is not displayed. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Radio receiver assembly | ||
| Portable player cannot pause, select file, fast forward, fast rewind, random play or scan. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Radio receiver assembly | ||
| Noise occurs or sound skips when portable player plays. | Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" | |
| Radio receiver assembly | ||
| Registered device cannot be deleted. | Proceed to "Registered Device cannot be Deleted" | |
| Radio receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Sound cannot be heard or sound quality is bad. (Stereo jack is used.) | Multi-media Interface ECU power source circuit | |
| Proceed to "Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU" | ||
| Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU" | ||
| Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter" | ||
| No. 1 stereo jack adapter assembly | ||
| Multi-media interface ECU | ||
| Radio receiver assembly | ||
| USB device or "iPod"is not recognized. | Proceed to "USB Audio System Recognition/Play Error" | |
| Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter" | ||
| No. 1 stereo jack adapter assembly | ||
| Multi-media interface ECU | ||
| Track information such as track, artist and album names are not displayed. | Proceed to "USB Audio System Recognition/Play Error" | |
| Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter" | ||
| No. 1 stereo jack adapter assembly | ||
| Multi-media interface ECU | ||
| USB device or "iPod" is recognized but cannot play nor play in a sorted order. | Proceed to "USB Audio System Recognition/Play Error" | |
| Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter" | ||
| No. 1 stereo jack adapter assembly | ||
| Multi-media interface ECU | ||
| USB device or "iPod" cannot charge. | Multi-media Interface ECU power source circuit | |
| Proceed to "USB Device or "iPod" cannot Charge" | ||
| Multi-media interface ECU |
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*1: w/ Microphone
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*2: for RHD
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*3: w/ "Bluetooth" Audio System