AUDIO AND VISUAL SYSTEM(for Sedan Radio and Display Type) 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. Display Function
Symptom	Suspected Area	Link
Black screen (no image appears on the screen)	Proceed to "Black Screen"	Click here
	Proceed to "Check Software Error History" in Operation Check	Click here
	Radio and display receiver assembly	Click here
Display does not dim (does not change to night screen) with tail switch on	Proceed to "Display does not Dim when Light Control Switch is Turned ON"	Click here
	Proceed to "Illumination Circuit"	Click here
	Radio and display receiver assembly	Click here
Power does not turn off (screen remains on)	Proceed to "Radio Receiver Power Source Circuit"	Click here
Power does not turn off (screen remains on)	Radio and display receiver assembly	Click here
Screen is distorted	Proceed to "Radio Receiver Power Source Circuit"	Click here
Screen is distorted	Radio and display receiver assembly	Click here
Screen flicker or color distortion	Proceed to "Screen Flicker or Color Distortion"	Click here
	Proceed to "Radio Receiver Power Source Circuit"	Click here
	Radio and display receiver assembly	Click here
Parking brake switch signal does not change in vehicle signal check mode	Proceed to "Parking Brake Switch Circuit"	Click here
	Radio and display receiver assembly	Click here
Reverse signal does not change in vehicle signal check mode	Proceed to "Reverse Signal Circuit"	Click here
Reverse signal does not change in vehicle signal check mode	Radio and display receiver assembly	Click here

Table 2. General Audio Function
Symptom	Suspected Area	Link
Pressing power switch does not turn on system	Proceed to "Radio Receiver Power Source Circuit"	Click here
Pressing power switch does not turn on system	Radio and display receiver assembly	Click here
No sound can be heard from speakers	Proceed to "No Sound can be Heard from Speakers"	Click here
	Proceed to "Speaker Circuit"	Click here
	Radio and display receiver assembly	Click here
Abnormal noise occurs	Proceed to "Noise Occurs"	Click here
Abnormal noise occurs	Radio and display receiver assembly	Click here
Sound quality is bad in all modes (volume is too low)	Check that the ASL function is off	-
	Proceed to "Poor Sound Quality in All Modes (Low Volume)"	Click here
	Proceed to "Speaker Circuit"	Click here
	Radio and display receiver assembly	Click here
ASL does not function	Check that the ASL function is on	-
	Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"	Click here
	Radio and display receiver assembly	Click here

Table 3. Panel Switch and Touch Panel Switch Function
Symptom	Suspected Area	Link
Illumination for panel switches does not come on with tail switch on	Proceed to "Illumination for Panel Switch does not Come on with Tail Switch ON"	Click here
	Proceed to "Illumination Circuit"	Click here
	Radio and display receiver assembly	Click here
Panel switches do not function	Proceed to "Panel Switches do not Function"	Click here
	Proceed to "Radio Receiver Power Source Circuit"	Click here
	Radio and display receiver assembly	Click here
Touch panel switch does not function	Proceed to "Touch Panel Switch does not Function"	Click here
	Proceed to "Radio Receiver Power Source Circuit"	Click here
	Radio and display receiver assembly	Click here

Table 4. Steering Pad Switch Function
Symptom	Suspected Area	Link
System cannot be operated by steering pad switch	Proceed to "Panel Switches do not Function"	Click here
	Proceed to "Steering Pad Switch Circuit"	Click here
	Radio and display receiver assembly	Click here
Illumination for steering pad switch does not come on with tail switch on	Proceed to "Illumination Circuit"	Click here
	Radio and display receiver assembly	Click here

Table 5. FM or AM Radio Function
Symptom	Suspected Area	Link
Radio broadcast cannot be received or poor reception	Proceed to "Radio Broadcast cannot be Received or Poor Reception"	Click here
Radio broadcast can be received but radio station cannot be displayed (some radio stations do not provide their name information)	Radio and display receiver assembly	Click here
Radio broadcast can be displayed but radio broadcast cannot be heard from speakers	Operate the volume switch and turn up the volume level	-
	Radio and display receiver assembly	Click here

Table 6. CD Player Function
Symptom	Suspected Area	Link
CD cannot be played or player does not function with disc	Proceed to "Disc Player Outline" in System Description and check if the CD is compatible with the CD player	Click here
	Proceed to "Check Optical Disc Error History" in Operation Check	Click here
	Radio and display receiver assembly	Click here
CD cannot be inserted/played or CD is ejected right after insertion	Proceed to "Check Optical Disc Error History" in Operation Check	Click here
	Proceed to "CD cannot be Inserted / Played or CD is Ejected Right After Insertion"	Click here
CD cannot be ejected	Proceed to "Check Optical Disc Error History" in Operation Check	Click here
CD cannot be ejected	Proceed to "CD cannot be Ejected"	Click here
CD sound skips	Proceed to "Check Optical Disc Error History" in Operation Check	Click here
CD sound skips	Proceed to "CD Sound Skips"	Click here
Sound quality is bad only when CD is played (volume is too low)	Change the sound settings on the adjustment screen	-
	Proceed to "Check Optical Disc Error History" in Operation Check	Click here
	Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)"	Click here

Table 7. AUX Function
Symptom	Suspected Area	Link
External device sound cannot be heard or sound quality is bad (stereo jack is used)	Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Radio and display receiver assembly	Click here
"AUX/VTR" is not displayed on system check mode screen	Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Radio and display receiver assembly	Click here

Table 8. USB Audio System Function
Symptom	Suspected Area	Link
USB audio system sound cannot be heard or sound quality is bad (USB connector is used)	Proceed to "Data Signal Circuit between Radio Receiver and Stereo Jack Adapter"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Radio and display receiver assembly	Click here
USB device or "iPod" is not recognized	Proceed to "USB Audio System Recognition/Play Error"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Radio and display receiver assembly	Click here
Track information such as track, artist and album names is not displayed	Proceed to "USB Audio System Recognition/Play Error"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Radio and display receiver assembly	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
	No. 1 stereo jack adapter assembly	Click here
	Radio and display receiver assembly	Click here
User set album cover art cannot be displayed	Check that a JPEG file is used for the album cover art registered to the music data in the "iPod"	-
User set album cover art cannot be displayed	Radio and display receiver assembly	Click here
"iPod" battery cannot be charged	Proceed to "USB Audio System Recognition/Play Error"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Radio and display receiver assembly	Click here

Table 9. "Bluetooth" Hands-free Function
Symptom	Suspected Area	Link
"Bluetooth" is inoperative (In-vehicle device cannot be recognized by the cellular phone)	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here
"Bluetooth" compatible cellular phone cannot be registered	Proceed to "Cellular Phone Registration Failure"	Click here
"Bluetooth" compatible cellular phone cannot be connected	Check that no other cellular phone is connected as a hands-free device	-
	Bring the cellular phone near the in-vehicle device and reconnect it	-
	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here
"Bluetooth" compatible cellular phone cannot be connected automatically (can be connected manually)	Check that "Bluetooth" automatic connection setting of the in-vehicle device is on	-
	Radio and display receiver assembly	Click here
"Bluetooth" compatible cellular phone connection is disconnected	Bring the cellular phone near the in-vehicle device and check if it is reconnected	-
	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here
Message that prompts to check the cellular phone is displayed	Bring the cellular phone near the in-vehicle device and check if it is reconnected	-
	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here
When the ignition switch is turned to ACC, instructions for checking the connection condition between the in-vehicle device and cellular phone are displayed	Turn the cellular phone connection conformation display on the in-vehicle device off	-
Phonebook data cannot be transferred	Check that the phonebook data automatic transfer setting of the in-vehicle device is on	-
	Enter "1234" into the "Bluetooth" phone (when transferring phonebook data, OBEX authentication may be required)	-
	Check that no applications on the cellular phone are running	-
	If using "Bluetooth" audio function, cancel the "Bluetooth" audio player connection and check the operation	-
	Transfer phonebook data manually	-
	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here
Phonebook data is cleared	Radio and display receiver assembly	Click here
Phonebook data cannot be edited	Check that the phonebook data automatic transfer setting of the in-vehicle device is off	-
Phonebook data cannot be edited	Radio and display receiver assembly	Click here
All the transferred phonebook data is sorted to "Other"	Check that no applications on the cellular phone are running	-
	Check that phonebook data in the cellular phone is not stored to the SIM card	-
	Proceed to "Cellular Phone Inspection"	Click here
	Explain to the customer that all the transferred phonebook data may be stored to "Other" depending on the cellular phone	-
Cellular phone cannot make outgoing/incoming calls	Move the vehicle into a cellular phone service area, check that the "Bluetooth" device is connected to the vehicle and operate device again	-
	Check that the cellular phone can make outgoing/incoming calls properly when not connected via "Bluetooth"	-
	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here
Other caller's voice is interrupted by noise or sound quality is poor	Check the receiving voice volume (if it is too high, voice may sound distorted)	-
	Make a call with the cellular phone disconnected from "Bluetooth" and check that other caller's voice can be heard clearly	-
	Proceed to "Check Hands-free Voice Quality Setting" in Operation Check	Click here
	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here
Other caller's voice cannot be heard	Check that reception voice volume is not set to minimum	-
	Make a call with the cellular phone disconnected from "Bluetooth" and check that other caller's voice can be heard clearly	-
	Proceed to "Check Hands-free Voice Quality Setting" in Operation Check	Click here
	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here
Caller's voice (your voice) is interrupted by noise or sound quality is poor	Check the transmitting voice volume (if it is too high, voice may sound distorted)	-
	Check that nothing can cause noise around the microphone (an outlet of the air conditioning system facing the microphone, wind from an open window, additional devices, etc. may affect noise occurrence)	-
	Proceed to "Check Hands-free Voice Quality Setting" in Operation Check	Click here
	Proceed to "Cellular Phone Inspection"	Click here
	Proceed to "Microphone Circuit between Microphone and Radio Receiver"	Click here
	Radio and display receiver assembly	Click here
Other caller cannot hear your voice	When talking on the cellular phone, check that the mute button is not pressed	-
	Check that nothing can cause noise around the microphone (an outlet of the air conditioning system facing the microphone, wind from an open window, additional devices, etc. may affect noise occurrence)	-
	Proceed to "Check Hands-free Voice Quality Setting" in Operation Check	Click here
	Proceed to "Cellular Phone Inspection"	Click here
	Proceed to "Microphone Circuit between Microphone and Radio Receiver"	Click here
	Radio and display receiver assembly	Click here
"Bluetooth" can be connected while driving	Proceed to "Parking Brake Switch Circuit"	Click here
	Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"	Click here
	Radio and display receiver assembly	Click here
No notification when a new SMS/MMS/e-mail has been received*1	Check the SMS/MMS/e-mail notification settings on the cellular phone and the radio and display receiver assembly	-
	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here
Received SMS/MMS/e-mail cannot be read*1	Check the SMS/MMS/e-mail transfer settings on the cellular phone and the radio and display receiver assembly	-
	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here
SMS/MMS/e-mail cannot be replied to*1	Move the vehicle into a cellular phone service area, and check the operation of the radio and display receiver assembly and cellular phone	-
	Check that the cellular phone can send an SMS/MMS/e-mail	-
	Proceed to "Cellular Phone Inspection"	Click here
	Radio and display receiver assembly	Click here

*1: w/ SMS/MMS/e-mail Function

Table 10. "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	Radio and display 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 and display 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 and display 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 and display 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 and display 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	Radio and display receiver assembly	Click here
Track information such as track number, track name, elapsed play time and playlist 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 and display receiver assembly	Click here
Operation switches for portable player such as play, pause, repeat and random 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
	Radio and display receiver assembly	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	Radio and display 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	Radio and display receiver assembly	Click here
Portable player cannot pause, select file, fast forward, fast rewind, play at random	Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device"	Click here
	Radio and display 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
Noise occurs or sound skips when portable player plays	Radio and display receiver assembly	Click here
Registered device cannot be deleted	Proceed to "Registered Device cannot be Deleted"	Click here
Registered device cannot be deleted	Radio and display receiver assembly	Click here

Table 11. MirrorLink Function (w/ MirrorLink Function)
Symptom	Suspected Area	Link
Although USB device or "iPod" is recognized, MirrorLink function cannot be started (smartphone battery can be charged)	Proceed to "MirrorLink Function cannot be Started"	Click here
Image is not displayed	Proceed to "MirrorLink Image is not Displayed"	Click here
Sound cannot be heard	Proceed to "MirrorLink Sound cannot be Heard"	Click here
MirrorLink is inoperative only when smartphone is connected to head unit	Proceed to "MirrorLink is Inoperative"	Click here

Table 12. Fuel Consumption Function
Symptom	Suspected Area	Link
Graph is not displayed on "Trip Information" screen	Recheck with the engine running	-
Graph is not displayed on "Trip Information" screen	Radio and display receiver assembly	Click here
Cruise range is not displayed on "Trip Information" screen	Turn the ignition switch to ON and recheck	-
Cruise range is not displayed on "Trip Information" screen	Radio and display receiver assembly	Click here
Graph is not updated on "Past record" screen even though "Clear" is selected	Turn the ignition switch to ON and recheck	-
	Radio and display receiver assembly	Click here
Graph is not displayed on "Past record" screen	Turn the ignition switch to ON and recheck	-
Graph is not displayed on "Past record" screen	Radio and display receiver assembly	Click here