AUDIO AND VISUAL SYSTEM(w/o Multi-display) PROBLEM SYMPTOMS TABLE

Tip:

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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Table 1. Audio Function
Symptom	Suspected Area	Link
Pressing power switch does not turn on system	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
	Replace radio receiver assembly	Click here
Panel switch does not function	Proceed to "Steering Pad Switch Circuit"	Click here
	Proceed to "AVC-LAN Circuit"	Click here
	Replace radio receiver assembly	Click here
No sound can be heard from speakers (Audio is mute)	Proceed to "No Sound can be Heard from Speakers"	Click here
	Proceed to "Radio Receiver Power Source Circuit"	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 "Sound 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
	Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"	Click here
	Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU"	Click here
	Proceed to "Speaker Circuit"	Click here
	Replace stereo component amplifier assembly	Click here
	Replace multi-media interface ECU	Click here
	Replace radio receiver assembly	Click here
Sound quality is bad in all modes (Volume is too low)	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 "Sound 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
	Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"	Click here
	Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU"	Click here
	Replace stereo component amplifier assembly	Click here
	Replace multi-media interface ECU	Click here
	Replace radio receiver assembly	Click here
ASL does not function	Proceed to "Speed Signal Circuit"	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
	Replace No. 1 stereo jack adapter assembly	Click here
	Replace radio receiver assembly	Click here
Abnormal noise occurs	Proceed to "Noise occurs"	Click here
Abnormal noise occurs	Replace radio receiver assembly	Click here
Radio broadcast cannot be received or poor reception	Proceed to "Radio Broadcast cannot be Received (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
CD cannot be ejected	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 cannot be illuminated at night	Proceed to "Illumination Circuit"	Click here
Radio receiver cannot be illuminated at night	Replace radio receiver assembly	Click here

Table 2. Steering Pad Switch Function
Symptom	Suspected Area	Link
Audio system cannot be operated with steering pad switch	Proceed to "Steering Pad Switch Circuit"	Click here
Audio system cannot be operated with steering pad switch	Replace radio receiver assembly	Click here
Steering pad switch cannot be illuminated at night	Proceed to "Illumination Circuit"	Click here
Steering pad switch cannot be illuminated at night	Replace radio receiver assembly	Click here

Table 3. "Bluetooth" Function
Symptom	Suspected Area	Link
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
	Replace radio receiver assembly	Click here
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"	Click here
	Replace radio receiver assembly	Click here
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"	Click here
	Proceed to "Microphone Circuit between Microphone and Radio Receiver"	Click here
	Replace telephone microphone assembly	Click here
	Replace radio receiver assembly	Click here

Table 4. "Bluetooth" Audio Function*
Symptom	Suspected Area	Link
Portable player cannot be registered	Proceed to "Portable Player cannot be Registered"	Click here
Portable player cannot be registered	Replace 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
	Replace 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
	Replace 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
	Replace 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
	Replace radio receiver assembly	Click here
Portable player does not play	Proceed to "Does not Play even after Bluetooth Audio Mode is Selected"	Click here
Portable player does not play	Replace 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
	Replace radio receiver assembly	Click here
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"	Click here
	Replace radio receiver assembly (w/ Accessory Meter)	Click here
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"	Click here
Battery condition of portable player is not displayed	Replace 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
"Bluetooth" signal condition is not displayed	Replace radio receiver assembly	Click here
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"	Click here
	Replace radio receiver assembly	Click here
Noise occurs or sound skips when portable player plays	Proceed to "Noise Occurs or Sound Skips when Portable Player Plays"	Click here
	Inspect noise filter	-
	Replace radio receiver assembly	Click here
Registered device cannot be deleted	Proceed to "Registered Device cannot be Deleted"	Click here
Registered device cannot be deleted	Replace radio receiver assembly	Click here

*: w/ "Bluetooth" Audio Function

Table 5. USB Audio System Function
Symptom	Suspected Area	Link
USB audio sound cannot be heard or sound quality is bad (Stereo jack is used)	Proceed to "Multi-media Interface ECU Power Source Circuit"	Click here
	Proceed to "Sound 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
	Proceed to "Mute Signal Circuit between Radio Receiver and Multi-media Interface ECU"	Click here
	Replace No. 1 stereo jack adapter assembly	Click here
	Replace multi-media interface ECU	Click here
	Replace radio receiver assembly	Click here
USB device or "iPod" is not recognized	Proceed to "USB Audio System Recognition/Play Error"	Click here
	Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter"	Click here
	Replace No. 1 stereo jack adapter assembly	Click here
	Replace multi-media interface ECU	Click here
Track information such as track, artist and album names are not displayed	Proceed to "USB Audio System Recognition/Play Error"	Click here
	Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter"	Click here
	Replace No. 1 stereo jack adapter assembly	Click here
	Replace multi-media interface ECU	Click here
USB device or "iPod" is recognized but cannot play or play in a sorted order	Proceed to "USB Audio System Recognition/Play Error"	Click here
	Proceed to "Sound Signal Circuit between Multi-media Interface ECU and Stereo Jack Adapter"	Click here
	Replace No. 1 stereo jack adapter assembly	Click here
	Replace multi-media interface ECU	Click here