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GSIC - Global Service Information Center

NAVIGATION SYSTEM (for Radio and Display Type) > PROBLEM SYMPTOMS TABLE

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HINT:

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.

Display Function
Symptom	Suspected Area	See page
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
Black screen (No image appears on navigation/audio screen)	Proceed to "Black Screen"	Click here
	Proceed to "Check Software Error History" in Operation Check	Click here
	Proceed to "Display Signal Circuit between Radio Receiver and Extension Module"*1	Click here
	Extension module	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
	Extension module	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
	Proceed to "Display Signal Circuit between Radio Receiver and Extension Module"*1	Click here
	Extension module	Click here
	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
	Proceed to "Display Signal Circuit between Radio Receiver and Extension Module"*1	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here

*1: Before proceeding with the following procedure, activate and deactivate diagnostic mode by operating the panel switch. This will correct the display signal.

Panel Switch and Touch Switch Function
Symptom	Suspected Area	See page
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
	Extension module	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
	Extension module	Click here
Navigation function switches can be operated while vehicle is driving	Proceed to "Parking Brake Switch Circuit"	Click here
	Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Extension Module"	Click here
	Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here

Steering Pad Switch Function
Symptom	Suspected Area	See page
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

Picture Slide Show Function
Symptom	Suspected Area	See page
Image data in USB device cannot be displayed	Check that the file extension of the data is JPG or JPEG	-
	Check that the file name is 32 characters or less and available language is used	-
	Check that the image data size is 10 MB or less	-
	Check that the file system of the USB device is FAT16 or FAT32	-
	Proceed to "USB Audio System Recognition/Play Error"	Click here
	Proceed to "Display Signal Circuit between Radio Receiver and Extension Module"*1	Click here
	No. 1 stereo jack adapter assembly	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here
Message indicating that USB device cannot be accessed is displayed	Check that the USB device has not been disconnected while the extension module is recognizing it	-
	Proceed to "USB Audio System Recognition/Play Error"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Extension module	Click here

*1: Before proceeding with the following procedure, activate and deactivate diagnostic mode by operating the panel switch. This will correct the display signal.

Navigation Function
Symptom	Suspected Area	See page
Vehicle position mark deviates	Proceed to "Vehicle Position Mark Deviates Greatly"	Click here
	Navigation antenna assembly	Click here
	Extension module	Click here
Vehicle position mark deviates from correct position and does not return to correct position	Proceed to "Vehicle Position Mark Deviates Greatly"	Click here
	Navigation antenna assembly	Click here
	Extension module	Click here
Vehicle position mark moves slow or fast	Proceed to "Vehicle Position Mark Deviates Greatly"	Click here
	Drive the vehicle for sensor learning (At a place where GPS signals can be received, drive the vehicle clockwise and counterclockwise in at least a 200 meter square 2 times or more)	-
	Navigation antenna assembly	Click here
	Extension module	Click here
Cursor or map rotates when vehicle is stopped	Proceed to "Cursor or Map Rotates when Vehicle Stopped"	Click here
Cursor or map rotates when vehicle is stopped	Extension module	Click here
Vehicle position mark moves in the opposite direction to the vehicle	Proceed to "Cursor or Map Rotates when Vehicle Stopped"	Click here
	Proceed to "Reverse Signal Circuit"	Click here
	Extension module	Click here
Vehicle position mark is not updated	Extension module	Click here
Current position display does not appear	Navigation antenna assembly	Click here
Current position display does not appear	Extension module	Click here
Voice guidance does not function	Proceed to "Voice Guidance does not Function"	Click here
	Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"*1	Click here
	Proceed to "Mute Signal Circuit between Radio Receiver and Extension Module"	Click here
	Proceed to "Navigation Voice Circuit between Radio Receiver and Stereo Component Amplifier"*1	Click here
	Proceed to "Navigation Voice Circuit between Radio Receiver and Extension Module"	Click here
	Proceed to "Speaker Circuit"	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here
	Stereo component amplifier assembly*1	Click here
Map display is incomplete	Proceed to "Map Display Incomplete"	Click here
	Proceed to "Display Signal Circuit between Radio Receiver and Extension Module"*2	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here
Route cannot be calculated	Proceed to "Route cannot be Calculated"	Click here
Route cannot be calculated	Extension module	Click here
Extension module cannot record memory point registration or each item setting	Extension module	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
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

*1: for 8 Speakers
*2: Before proceeding with the following procedure, activate and deactivate diagnostic mode by operating the panel switch. This will correct the display signal.

General Audio Function
Symptom	Suspected Area	See page
No sound can be heard from speakers	Proceed to "No Sound can be Heard from Speakers"	Click here
	Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"*1	Click here
	Proceed to "Mute Signal Circuit between Radio Receiver and Extension Module"	Click here
	Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"*1	Click here
	Proceed to "Sound Signal Circuit between Radio Receiver and Extension Module"	Click here
	Proceed to "Speaker Circuit"	Click here
	Stereo component amplifier assembly*1	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here
Abnormal noise occurs	Proceed to "Noise Occurs"	Click here
	Stereo component amplifier assembly*1	Click here
	Extension module	Click here
	Radio and display 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 "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"*1	Click here
	Proceed to "Mute Signal Circuit between Radio Receiver and Extension Module"	Click here
	Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"*1	Click here
	Proceed to "Sound Signal Circuit between Radio Receiver and Extension Module"	Click here
	Proceed to "Speaker Circuit"	Click here
	Stereo component amplifier assembly*1	Click here
	Extension module	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"*2	Click here
	Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter"*1	Click here
	Stereo component amplifier assembly*1	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here

*1: for 8 Speakers
*2: for 6 Speakers

FM or AM Radio Function
Symptom	Suspected Area	See page
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

CD Player Function
Symptom	Suspected Area	See page
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)	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

AUX Function
Symptom	Suspected Area	See page
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" 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

Voice Recognition Function
Symptom	Suspected Area	See page
Voice menu screen is not displayed (Voice recognition function does not turn on)	Check if the voice recognition prompts function is "On"	-
	Proceed to "Panel Switches do not Function"	Click here
	Proceed to "Steering Pad Switch Circuit"	Click here
	Radio and display receiver assembly	Click here
When voice recognition switch is pressed, a short beep is emitted but voice cannot be recognized properly	Proceed to "Voice is not Recognized"	Click here
	Proceed to "Microphone Circuit between Radio Receiver and Extension Module"	Click here
	Proceed to "Microphone Circuit between Microphone and Radio Receiver"	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here

"Bluetooth" Hands-free Function
Symptom	Suspected Area	See page
Bluetooth is inoperative	Proceed to "Microphone Circuit between Radio Receiver and Extension Module"	Click here
	Proceed to "Microphone Circuit between Microphone and Radio Receiver"	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here
Cellular phone registration failure	Proceed to "Cellular Phone Registration Failure, Phonebook Transfer Failure"	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here
Cellular phone cannot make outgoing/incoming calls or call in a certain place	Proceed to "Cellular Phone cannot Make Outgoing/Incoming Calls"	Click here
	Proceed to "Steering Pad Switch Circuit"	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here
Message that prompts to check the cellular phone is displayed	Proceed to "Cellular Phone cannot Make Outgoing/Incoming Calls"	Click here
	Extension module	Click here
Phonebook data cannot be transferred manually or automatically	Check the automatically download contact setting	-
	When transferring phonebook data, OBEX authentication may be required. Enter "1234" into the "Bluetooth" phone	-
	Proceed to "Cellular Phone Registration Failure, Phonebook Transfer Failure"	Click here
	Extension module	Click here
Volume of other caller's voice is not at an appropriate volume level, there is noise, sound quality is poor or other caller's voice cannot be heard	Proceed to "The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted"	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here
Other caller cannot hear your voice at an appropriate volume level, there is noise or an echo, sound quality is poor or other caller cannot hear your voice	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
	Proceed to "Microphone Circuit between Radio Receiver and Extension Module"	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here
E-mail/SMS cannot be received or sent	Check whether messages can be received/sent using the cellular phone	-
	Check that the phone is registered as a hands-free device	-
	Check the sending and receiving e-mails/SMS via the navigation system setting	-
	Proceed to "Cellular Phone Registration Failure, Phonebook Transfer Failure"	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here

"Bluetooth" Audio Function
Symptom	Suspected Area	See page
Portable player cannot be registered	Proceed to "Portable Player cannot be Registered"	Click here
	Extension module	Click here
	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
	Extension module	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
	Extension module	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
	Extension module	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
	Extension module	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
	Extension module	Click here
	Radio and display receiver assembly	Click here
Track information such as track number, track name and 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
	Extension module	Click here
	Radio and display 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
	Extension module	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
	Extension module	Click here
	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
	Extension module	Click here
	Radio and display 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
	Extension module	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
	Extension module	Click here
	Radio and display receiver assembly	Click here
Registered device cannot be deleted	Proceed to "Registered Device cannot be Deleted"	Click here
	Extension module	Click here
	Radio and display receiver assembly	Click here

USB Audio System Function
Symptom	Suspected Area	See page
USB audio system sound cannot be heard or sound quality is bad (USB connector is used)	Proceed to "Data Signal Circuit between Stereo Jack Adapter and Extension Module"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Extension module	Click here
USB device or "iPod" is not recognized	Proceed to "USB Audio System Recognition/Play Error"	Click here
	Proceed to "Data Signal Circuit between Stereo Jack Adapter and Extension Module"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Extension module	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 "Data Signal Circuit between Stereo Jack Adapter and Extension Module"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Extension module	Click here
USB device or "iPod" is recognized but cannot play nor play in a sorted order	Proceed to "USB Audio System Recognition/Play Error"	Click here
	Proceed to "Data Signal Circuit between Stereo Jack Adapter and Extension Module"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Extension module	Click here
Album cover art cannot be displayed	Check that display cover art on the "iPod" Settings screen is set to on	-
Album cover art cannot be displayed	Check that a JPEG file is used for the cover art	-
"iPod" battery cannot be charged	Proceed to "USB Audio System Recognition/Play Error"	Click here
	No. 1 stereo jack adapter assembly	Click here
	Extension module	Click here

Connected Services (w/ Connected Services)
Symptom	Suspected Area	See page
Connection to the search engine fails	Proceed to "Connected Services Outline" in System Description	Click here
	Check if the each item is set correctly	-
	Check if the cellular phone is in standby mode	-
	Check if the cellular phone is compatible with the connected service	-
	Extension module	Click here
POIs are not displayed on the list (When using a USB device)	Check if POIs are stored in USB device root folders	-
	Check that POIs with extension .csi are stored in the USB device	-
	Check that 8.3 filename is used for POIs	-
	Check that the file size of POIs is not 400 kb or more	-
	Check that nothing has been changed for downloaded POIs other than renaming them	-
	Extension module	Click here
POIs cannot be registered to the navigation system	Check if the maximum number of memory points has been registered	-
	Check that nothing has been changed for downloaded POIs other than renaming them	-
	Extension module	Click here

Fuel Consumption Function
Symptom	Suspected Area	See page
Graph is not displayed on "Trip Information" screen	Recheck with the hybrid system operating	-
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 power switch on (READY) 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 power switch on (READY) and recheck	-
	Radio and display receiver assembly	Click here
Graph is not displayed on "Past record" screen	Turn power switch on (READY) and recheck	-
Graph is not displayed on "Past record" screen	Radio and display receiver assembly	Click here