AUDIO AND VISUAL SYSTEM (w/o Navigation System) > PROBLEM SYMPTOMS TABLE

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HINT:
  1. 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.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.


Audio Function 
Symptom
Suspected Area
See page
Pressing power switch does not turn on system (for 10 Speakers).
Proceed to "Pressing Power Switch does not Turn on System"
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Proceed to "AVC-LAN Circuit"
Click here
Radio receiver assembly
Click here
Pressing power switch does not turn on system (for 6 Speakers).
Proceed to "Pressing Power Switch does not Turn on System"
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Radio receiver assembly
Click here
Panel switch does not function (for 10 Speakers).
Proceed to "Steering Pad Switch Circuit"
Click here
Proceed to "AVC-LAN Circuit"
Click here
Radio receiver assembly
Click here
Panel switch does not function (for 6 Speakers).
Proceed to "Steering Pad Switch Circuit"
Click here
Radio receiver assembly
Click here
No sound can be heard from speakers (Audio is mute.) (for 10 Speakers).
Proceed to "AVC-LAN Circuit"
Click here
Proceed to "Radio Receiver Power Source Circuit"
Click here
Proceed to "No Sound can be Heard from Speakers"
Click here
Proceed to "Stereo Component Amplifier Power Source Circuit"
Click here
Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"
Click here
Proceed to "Speaker Circuit"
Click here
Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"
Click here
Stereo component amplifier assembly
Click here
Radio receiver assembly
Click here
No sound can be heard from speakers (Audio is mute.) (for 6 Speakers).
Proceed to "Radio Receiver Power Source Circuit"
Click here
Proceed to "No Sound can be Heard from Speakers"
Click here
Proceed to "Speaker Circuit"
Click here
Radio receiver assembly
Click here
Sound quality is bad in all modes (Volume is too low.) (for 10 Speakers).
Proceed to "Poor Sound Quality in All Modes (Low Volume)"
Click here
Proceed to "Speaker Circuit"
Click here
Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"
Click here
Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"
Click here
Stereo component amplifier assembly
Click here
Radio receiver assembly
Click here
Sound quality is bad in all modes (Volume is too low.) (for 6 Speakers).
Proceed to "Poor Sound Quality in All Modes (Low Volume)"
Click here
Proceed to "Speaker Circuit"
Click here
Radio receiver assembly
Click here
ASL does not function (for 10 Speakers).
Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter"
Click here
ASL does not function (for 6 Speakers).
Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"
Click here
External device sound cannot be heard or sound quality is bad (Stereo jack is used.).
Proceed to "Radio Receiver Power Source Circuit"
Click here
Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"
Click here
No. 1 stereo jack adapter assembly
Click here
Radio receiver assembly
Click here
Abnormal noise occurs (for 10 Speakers).
Proceed to "Noise Occurs"
Click here
Stereo component amplifier assembly
Click here
Radio receiver assembly
Click here
Abnormal noise occurs (for 6 Speakers).
Proceed to "Noise Occurs"
Click here
Radio receiver assembly
Click here
Radio broadcast cannot be received or poor reception.
Proceed to "Radio Broadcast cannot be Received or Poor Reception"
Click here
CD cannot be inserted/played or CD is ejected right after insertion.
Proceed to "Radio Receiver Power Source Circuit"
Click here
Proceed to "CD cannot be Inserted / Played or CD is Ejected Right After Insertion"
Click here
CD cannot be ejected.
Proceed to "Radio Receiver Power Source Circuit"
Click here
Proceed to "CD cannot be Ejected"
Click here
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)"
Click here
CD sound skips.
Proceed to "CD Sound Skips"
Click here
Radio receiver does not illuminate at night.
Proceed to "Illumination Circuit"
Click here
Radio receiver assembly
Click here
Radio receiver does not dim at night.
Proceed to "Dimmer Signal Circuit"
Click here
Radio receiver assembly
Click here

Steering Pad Switch Function 
Symptom
Suspected Area
See page
Audio system cannot be operated with steering pad switch.
Proceed to "Steering Pad Switch Circuit"
Click here
Radio receiver assembly
Click here
Steering pad switch does not illuminate at night.
Proceed to "Illumination Circuit"
Click here
Radio receiver assembly
Click here

"Bluetooth" Hands-free Function (w/ "Bluetooth" Hands-free System) 
Symptom
Suspected Area
See page
Bluetooth is inoperative.
Proceed to "Microphone Circuit between Microphone and Radio Receiver"
Click here
Telephone microphone assembly
Click here
Radio receiver assembly
Click here
Cellular phone registration failure, phone directory transfer failure.
Proceed to "Cellular Phone Registration Failure, Phone Directory Transfer Failure"
Click here
Cellular phone cannot send/receive.
Proceed to "Cellular Phone cannot Send/Receive"
Click here
Proceed to "Steering Pad Switch Circuit"
Click here
Radio receiver assembly
Click here
Cannot call in a certain place.
Proceed to "Cannot Call in a Certain Place"
Click here
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"
Click here
Proceed to "Cellular Phone Voice Circuit between Radio Receiver and Stereo Component Amplifier"
Click here
Telephone microphone assembly
Click here
Radio receiver assembly
Click here
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"
Click here
Proceed to "Microphone Circuit between Microphone and Radio Receiver"
Click here
Telephone microphone assembly
Click here
Radio receiver assembly
Click here
"Bluetooth" can be connected while driving.
Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"
Click here

"Bluetooth" Audio Function (w/ "Bluetooth" Audio System) 
Symptom
Suspected Area
See page
Portable player cannot be registered.
Proceed to "Portable Player cannot be Registered"
Click here
Radio receiver assembly
Click here
Portable player cannot be connected manually/automatically.
Proceed to "Portable Player cannot be Registered"
Click here
Proceed to "Portable Player cannot be Connected Manually/Automatically"
Click here
Radio receiver assembly
Click here
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"
Click here
Proceed to "Portable Player cannot be Connected Manually/Automatically"
Click here
Radio receiver assembly
Click here
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"
Click here
Radio receiver assembly
Click here
Portable player does not play even after "Bluetooth" audio mode is selected.
Proceed to "Does not Play even after Bluetooth Audio Mode is Selected"
Click here
Radio receiver assembly
Click here
Portable player does not play.
Proceed to "Does not Play even after Bluetooth Audio Mode is Selected"
Click here
Radio receiver assembly
Click here
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"
Click here
Radio receiver assembly
Click here
"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"
Click here
Radio receiver assembly
Click here
Portable player cannot pause, select file, fast forward, fast rewind, play at random or scan.
Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device"
Click here
Radio receiver assembly
Click here
Noise occurs or sound skips when portable players plays.
Proceed to "Noise Occurs or Sound Skips when Portable Player Plays"
Click here
Radio receiver assembly
Click here
Registered device cannot be deleted.
Proceed to "Registered Device cannot be Deleted"
Click here
Radio receiver assembly
Click here

USB Audio System Function 
Symptom
Suspected Area
See page
Sound cannot be heard or sound quality is bad (Stereo jack is used.) (for 10 Speakers).
Proceed to "Sound Signal Circuit between Radio Receiver and Multi-media Interface ECU"
Click here
Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU"
Click here
Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter"
Click here
No. 1 stereo jack adapter assembly
Click here
Multi-media interface ECU assembly
Click here
Radio receiver assembly
Click here
Sound cannot be heard or sound quality is bad (Stereo jack is used.) (for 6 Speakers).
Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"
Click here
No. 1 stereo jack adapter assembly
Click here
Radio receiver assembly
Click here
USB Device or "iPod" is not recognized (for 10 Speakers).
Proceed to "USB Audio System Recognition/Play Error"
Click here
No. 1 stereo jack adapter assembly
Click here
Multi-media interface ECU assembly
Click here
USB Device or "iPod" is not recognized (for 6 Speakers).
Proceed to "USB Audio System Recognition/Play Error"
Click here
No. 1 stereo jack adapter assembly
Click here
Radio receiver assembly
Click here
Track information such as track, artist and album names are not displayed (for 10 Speakers).
Proceed to "USB Audio System Recognition/Play Error"
Click here
No. 1 stereo jack adapter assembly
Click here
Multi-media interface ECU assembly
Click here
Track information such as track, artist and album names are not displayed (for 6 Speakers).
Proceed to "USB Audio System Recognition/Play Error"
Click here
No. 1 stereo jack adapter assembly
Click here
Radio receiver assembly
Click here
USB device or "iPod" is recognized but cannot play or play in a sorted order (for 10 Speakers).
Proceed to "USB Audio System Recognition/Play Error"
Click here
No. 1 stereo jack adapter assembly
Click here
Multi-media interface ECU assembly
Click here
USB device or "iPod" is recognized but cannot play or play in a sorted order (for 6 Speakers).
Proceed to "USB Audio System Recognition/Play Error"
Click here
No. 1 stereo jack adapter assembly
Click here
Radio receiver assembly
Click here