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" | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Proceed to "AVC-LAN Circuit" | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Panel switch does not function | Proceed to "Steering Pad Switch Circuit" | |
| Proceed to "AVC-LAN Circuit" | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| No sound can be heard from speakers (Audio is mute) (for 6 Speakers) | Proceed to "No Sound can be Heard from Speakers" | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Proceed to "Speaker Circuit (Built-in Amplifier)" | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| No sound can be heard from speakers (Audio is mute) (for 9 Speakers) | Proceed to "No Sound can be Heard from Speakers" | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Proceed to "Stereo Component Amplifier Power Source Circuit" | ||
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier" | ||
| Proceed to "Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU" | ||
| Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter" | ||
| Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier" | ||
| Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU" | ||
| Proceed to "Speaker Circuit (Independent Amplifier)" | ||
| Replace stereo component amplifier assembly | ||
| Replace multi-media interface ECU | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Sound quality is bad in all modes (Volume is too low) (for 6 Speakers) | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | |
| Proceed to "Speaker Circuit (Built-in Amplifier)" | ||
| Proceed to "Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU" | ||
| Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter" | ||
| Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU" | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Sound quality is bad in all modes (Volume is too low) (for 9 Speakers) | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | |
| Proceed to "Speaker Circuit (Independent Amplifier)" | ||
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier" | ||
| Proceed to "Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU" | ||
| Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter" | ||
| Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier" | ||
| Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU" | ||
| Replace stereo component amplifier assembly | ||
| Replace multi-media interface ECU | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| 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" | ||
| Replace No. 1 stereo jack adapter assembly (except Bench Seat Type) | ||
| Replace No. 1 stereo jack adapter assembly (for Bench Seat Type) | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Abnormal noise occurs | Proceed to "Noise occurs" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Radio broadcast cannot be received or poor reception | Proceed to "Radio Broadcast cannot be Received (Poor 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" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) |
| Symptom | Suspected Area | See page |
|---|---|---|
| Audio system cannot be operated with steering pad switch | Proceed to "Steering Pad Switch Circuit" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Steering pad switch cannot be illuminated at night | Proceed to "Illumination Circuit" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) |
| 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" | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| 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" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| 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" | ||
| Replace telephone microphone assembly | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) |
| Symptom | Suspected Area | See page |
|---|---|---|
| Portable player cannot be registered | Proceed to "Portable Player cannot be Registered" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Portable player cannot be connected manually/automatically | Proceed to "Portable Player cannot be Registered" | |
| Proceed to "Portable Player cannot be Connected Manually/Automatically" | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| 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" | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| 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" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Portable player does not play even after "Bluetooth" audio mode is selected | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Portable player does not play | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| 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" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Operation switches for portable player such as play, pause, repeat, random and scan are not displayed | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Battery condition of portable player is not displayed | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| "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" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Portable player cannot pause, select files, fast forward, 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" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Noise occurs or sound skips when portable player plays | Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" | |
| Inspect noise filter | - | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| Registered device cannot be deleted | Proceed to "Registered Device cannot be Deleted" | |
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) |
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*: w/ "Bluetooth" Audio Function
| Symptom | Suspected Area | See page |
|---|---|---|
| USB audio sound cannot be heard or sound quality is bad (Stereo jack is used) | Proceed to "Multi-media Interface ECU Power Source Circuit" | |
| Proceed to "Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU" | ||
| Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter" | ||
| Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU" | ||
| Replace No. 1 stereo jack adapter assembly (except Bench Seat Type) | ||
| Replace No. 1 stereo jack adapter assembly (for Bench Seat Type) | ||
| Replace multi-media interface ECU | ||
| Replace radio receiver assembly (w/o Accessory Meter) | ||
| Replace radio receiver assembly (w/ Accessory Meter) | ||
| USB device or "iPod" is or recognized | Proceed to "USB Audio System Recognition/Play Error" | |
| Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter" | ||
| Replace No. 1 stereo jack adapter assembly (except Bench Seat Type) | ||
| Replace No. 1 stereo jack adapter assembly (for Bench Seat Type) | ||
| Replace 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" | ||
| Replace No. 1 stereo jack adapter assembly (except Bench Seat Type) | ||
| Replace No. 1 stereo jack adapter assembly (for Bench Seat Type) | ||
| Replace multi-media interface ECU | ||
| USB device or "iPod" is recognized but cannot play or 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" | ||
| Replace No. 1 stereo jack adapter assembly (except Bench Seat Type) | ||
| Replace No. 1 stereo jack adapter assembly (for Bench Seat Type) | ||
| Replace multi-media interface ECU |