NAVIGATION SYSTEM PROBLEM SYMPTOMS TABLE

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precautions for Navigation System Click here.

Tech Tips


  • 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 "Navigation Receiver Assembly Power Source Circuit"

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Multi-media module receiver assembly

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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 "Visual Mute Signal Circuit between Navigation Receiver Assembly and Multi-display"

Click here

Hard disk drive

Click here

Multi-media module receiver assembly

Click here

A message is displayed to inform the driver that the program cannot be read, and the system cannot be operated using the remote touch. Hard disk drive

Click here

Multi-media module receiver assembly

Click here

A white or blue screen remains displayed after the engine switch is turned on (ACC). (Even though the navigation system is operated, the screen does not change or navigation sound cannot be heard.) Hard disk drive

Click here

Multi-media module receiver assembly

Click here

Multi-display assembly

Click here

A white or blue screen remains displayed after the engine switch is turned on (ACC). (When the navigation system is operated the current position screen or a navigation screen such as MENU is displayed or navigation sound is heard.) Multi-media module receiver assembly

Click here

The multi-display assembly does not dim when the tail switch is turned on. Proceed to "Display does not Dim when Light Control Switch is Turned ON"

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Multi-media module receiver assembly

Click here

Multi-display assembly

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Power does not turn off. (Screen remains on.) Proceed to "Navigation Receiver Assembly Power Source Circuit"

Click here

Multi-display assembly

Click here

Multi-media module receiver assembly

Click here

Screen is distorted. Proceed to "Navigation Receiver Assembly Power Source Circuit"

Click here

Proceed to "Visual Mute Signal Circuit between Navigation Receiver Assembly and Multi-display"

Click here

Multi-media module receiver assembly

Click here

Screen flicker or color distortion Proceed to "Screen Flicker or Color Distortion"

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Proceed to "Visual Mute Signal Circuit between Navigation Receiver Assembly and Multi-display"

Click here

Multi-media module receiver assembly

Click here

Panel 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

Multi-media module receiver assembly

Click here

Panel switches do not function. Proceed to "Panel Switches do not Function"

Click here

Proceed to "Navigation Receiver Assembly Power Source Circuit"

Click here

Multi-media module receiver assembly

Click here

Navigation function switches can be operated while vehicle is driving. Proceed to "Parking Brake Switch Circuit"

Click here

Multi-media module receiver assembly

Click here

Remote Touch Function
Symptom Suspected Area See page
No feedback force is provided by knob of remote touch. Proceed to "No Feedback Force Provided by Knob of Remote Touch"

Click here

Switch lights of remote touch do not illuminate. Proceed to "Switch Lights of Remote Touch do not Illuminate"

Click here

Switch lights of remote touch always illuminate or cannot be controlled using rheostat. Proceed to "Switch Lights of Remote Touch Always Illuminate or cannot be Controlled Using Rheostat"

Click here

Switch operation of remote touch is not accepted. Proceed to "Switch Operation of Remote Touch not Accepted"

Click here

Pointer does not reach screen edge. Proceed to "Pointer does not Reach Screen Edge"

Click here

Pointer displayed/not displayed repeatedly. Proceed to "Pointer Displayed/not Displayed Repeatedly"

Click here

Pointer is not displayed on screen or pointer does not move. Proceed to "Pointer not Displayed on Screen or Pointer does not Move"

Click here

Knob of remote touch moves spontaneously. Proceed to "Knob of Remote Touch Moves Spontaneously"

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

Multi-media module receiver assembly

Click here

Illumination for steering pad switch does not come on with tail switch on. Proceed to "Illumination Circuit"

Click here

Navigation Function
Symptom Suspected Area See page
GPS mark is not displayed. Proceed to "GPS Mark is not Displayed"

Click here

Navigation antenna assembly*1

Click here

Antenna cord sub-assembly*2

Click here

No. 2 antenna cord sub-assembly*2

Click here

No. 3 antenna cord sub-assembly*2

Click here

Telephone antenna assembly*2

Click here

Multi-media module receiver assembly

Click here

Date and time on navigation screen is different from actual date and time. Proceed to "GPS Mark is not Displayed"

Click here

Navigation antenna assembly*1

Click here

Antenna cord sub-assembly*2

Click here

No. 2 antenna cord sub-assembly*2

Click here

No. 3 antenna cord sub-assembly*2

Click here

Telephone antenna assembly*2

Click here

Multi-media module receiver assembly

Click here

Vehicle position mark deviates from correct position and does not return to correct position. Proceed to "GPS Mark is not Displayed"

Click here

Navigation antenna assembly*1

Click here

Antenna cord sub-assembly*2

Click here

No. 2 antenna cord sub-assembly*2

Click here

No. 3 antenna cord sub-assembly*2

Click here

Telephone antenna assembly*2

Click here

Multi-media module receiver assembly

Click here

Cursor or map rotates when vehicle is stopped. Proceed to "Cursor or Map Rotates when Vehicle Stopped"

Click here

Multi-media module receiver assembly

Click here

Vehicle position mark moves in the opposite direction to the vehicle. Proceed to "Cursor or Map Rotates when Vehicle Stopped"

Click here

Multi-media module receiver assembly

Click here

Vehicle position mark deviates from and returns to correct position repeatedly even though GPS mark is displayed. Proceed to "GPS Mark is not Displayed"

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*1

Click here

Antenna cord sub-assembly*2

Click here

No. 2 antenna cord sub-assembly*2

Click here

No. 3 antenna cord sub-assembly*2

Click here

Telephone antenna assembly*2

Click here

Multi-media module receiver assembly

Click here

Vehicle position mark moves slow or fast. Proceed to "GPS Mark is not Displayed"

Click here

Navigation antenna assembly*1

Click here

Antenna cord sub-assembly*2

Click here

No. 2 antenna cord sub-assembly*2

Click here

No. 3 antenna cord sub-assembly*2

Click here

Telephone antenna assembly*2

Click here

Multi-media module receiver assembly

Click here

Voice guidance does not function. Proceed to "Voice Guidance does not Function"

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Proceed to "Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver"*3

Click here

Proceed to "Speaker Circuit"

Click here

Stereo component amplifier assembly

Click here

Telematics transceiver*3

Click here

Multi-media module receiver assembly

Click here

Map display is incomplete. Hard disk drive

Click here

Multi-media module receiver assembly

Click here

Route cannot be calculated. Proceed to "Route cannot be Calculated"

Click here

Multi-media module receiver assembly

Click here

Navigation system cannot record memory point registration or each item setting. Hard disk drive

Click here

Multi-media module receiver assembly

Click here

A message indicating to wait for a while because of low temperature is displayed. Start the engine and increase cabin temperature (near multi-media module receiver assembly). -
Hard disk drive

Click here

Multi-media module receiver assembly

Click here

A message is displayed because map data cannot be read, and current position screen is not displayed. If message appears only when driving on rough roads, check if message disappears when vehicle is stopped. -
Hard disk drive

Click here

Multi-media module receiver assembly

Click here

Map screen turns white or blue. (GPS receiving status is displayed normally, and switches and own vehicle position mark are also displayed normally.) Change map scale to smallest (a scale that shows a large area). -
Hard disk drive

Click here

Multi-media module receiver assembly

Click here

Customizable parameters cannot be changed. (Customizable parameters can be changed by using the GTS.) Multi-media module receiver assembly

Click here

The password set using the memory point export/import function has been forgotten. Proceed to "Clear Backup Password of Export/Import Memory Point Function" in Operation Check

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Reverse signal does not change in vehicle signal check mode. Check shift indicator display on combination meter assembly. -
Multi-media module receiver assembly

Click here

Parking brake switch signal does not change in vehicle signal check mode. Proceed to "Parking Brake Switch Circuit"

Click here

Multi-media module receiver assembly

Click here


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 Stereo Component Amplifier and Telematics Transceiver"*1

Click here

Proceed to "Speaker circuit"

Click here

Telematics transceiver*1

Click here

Stereo component amplifier assembly

Click here

Multi-media module receiver assembly

Click here

Abnormal noise occurs. Proceed to "Noise Occurs"

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Proceed to "Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver"*1

Click here

Telematics transceiver*1

Click here

Stereo component amplifier assembly

Click here

Multi-media module 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)"

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Proceed to "Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver"*1

Click here

Proceed to "Speaker circuit"

Click here

Telematics transceiver*1

Click here

Stereo component amplifier assembly

Click here

Multi-media module receiver assembly

Click here

ASL does not function. Check that the ASL function is on. -
Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter"

Click here

Stereo component amplifier assembly

Click here

Multi-media module receiver assembly

Click here


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.) Multi-media module receiver assembly

Click here

CD or DVD Player Function
Symptom Suspected Area See page
Disc cannot be inserted/played or disc is ejected right after insertion. Proceed to "Check Optical Disc Error History" in Operation Check

Click here

Proceed to "Disc cannot be Inserted or is Ejected Right After Insertion"

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Disc cannot be ejected. Proceed to "Check Optical Disc Error History" in Operation Check

Click here

Proceed to "Disc cannot be Ejected"

Click here

Disc sound skips. Proceed to "Check Optical Disc Error History" in Operation Check

Click here

Proceed to "CD/DVD Sound Skips"

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While vehicle is stopped, DVD cannot be viewed even when parking brake is set. (Parking brake switch is on.) Proceed to "Parking Brake Switch Circuit"

Click here

Multi-media module receiver assembly

Click here

Screen color is poor only when watching DVD. Change the color settings on the screen adjustment screen. -
Multi-media module receiver assembly

Click here

Sound quality is bad only when disc 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 Disc is played (Volume is Too Low)"

Click here

AUX (Stereo Jack) 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 Navigation Receiver Assembly and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Multi-media module receiver assembly

Click here

"AUX" is not displayed on system check mode screen. Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Multi-media module receiver assembly

Click here

Stereo jack adapter light does not illuminate. Proceed to "Stereo Jack Adapter Light does not Illuminate"

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

Multi-media module 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 Microphone and Navigation Receiver Assembly"

Click here

Hard disk drive

Click here

Multi-media module receiver assembly

Click here

"Bluetooth" Hands-free Function
Symptom Suspected Area See page
"Bluetooth" is inoperative. Proceed to "Microphone Circuit between Microphone and Navigation Receiver Assembly"

Click here

Multi-media module receiver assembly

Click here

Cellular phone registration failure Proceed to "Cellular Phone Registration Failure, Phonebook Transfer Failure"

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Multi-media module 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"

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Multi-media module receiver assembly

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Message that prompts to check the cellular phone is displayed. Proceed to "Cellular Phone cannot Make Outgoing/Incoming Calls"

Click here

Multi-media module receiver assembly

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

Multi-media module receiver assembly

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 "Check Hands-free Voice Quality and Volume Setting" in Operation Check

Click here

Proceed to "The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted"

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Multi-media module receiver assembly

Click here

Stereo component amplifier 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 "Check Hands-free Voice Quality and Volume Setting" in Operation Check

Click here

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 Navigation Receiver Assembly"

Click here

Multi-media module receiver assembly

Click here

E-mail/SMS cannot be received or sent.*1 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 via the navigation system setting. -
Proceed to "Cellular Phone Registration Failure, Phonebook Transfer Failure"

Click here

Multi-media module 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

Multi-media module receiver assembly

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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

Multi-media module 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

Multi-media module 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

Multi-media module 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

Multi-media module receiver assembly

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Portable player does not play. Proceed to "Does not Play even after Bluetooth Audio Mode is Selected"

Click here

Multi-media module receiver assembly

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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

Multi-media module receiver assembly

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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

Multi-media module receiver assembly

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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

Multi-media module 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

Multi-media module 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

Multi-media module 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

Multi-media module receiver assembly

Click here

Registered device cannot be deleted. Proceed to "Registered Device cannot be Deleted"

Click here

Multi-media module 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 Navigation Receiver Assembly and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Multi-media module 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

Multi-media module receiver assembly

Click here

Track information such as track, artist and album names are not displayed. Proceed to "USB Audio System Recognition/Play Error"

Click here

No. 1 stereo jack adapter assembly

Click here

Multi-media module receiver assembly

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

No. 1 stereo jack adapter assembly

Click here

Multi-media module receiver assembly

Click here

Album cover art cannot be displayed. Check that Display Cover Art on the "iPod" Settings screen is set to on. -
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

Multi-media module receiver assembly

Click here

Stereo jack adapter light does not illuminate. Proceed to "Stereo Jack Adapter Light does not Illuminate"

Click here

Customize Startup Image or Screen Off Image Function
Symptom Suspected Area See page
Screen cannot be changed to UIC setting screen. Multi-media module receiver assembly

Click here

Thumbnails for opening image setting or screen off image setting do not update when USB device is connected. Check that the USB device was not disconnected while transferring an image. -
Check that the screen was not changed to another function menu while transferring an image. -
Proceed to "USB Audio System Recognition/Play Error"

Click here

No. 1 stereo jack adapter assembly

Click here

Multi-media module receiver assembly

Click here

Transfer button cannot be pressed. Check that a USB device is connected. -
Check that the USB device is not in use. (USB audio system is playing etc.) -
Proceed to "USB Audio System Recognition/Play Error"

Click here

No. 1 stereo jack adapter assembly

Click here

Multi-media module receiver assembly

Click here

Image data in USB device cannot be displayed. Check that the designated folder name is used. -
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

No. 1 stereo jack adapter assembly

Click here

Multi-media module receiver assembly

Click here

Set opening image or screen off image is not displayed. Check if it is the first start-up after disconnecting and reconnecting the +B terminal. (Reading from the HDD may be slow when the system is first starting-up.) -
Set the opening image or screen off image again. -
Multi-media module receiver assembly

Click here

Stored image cannot be deleted. Multi-media module 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 navigation system is recognizing it. -
Proceed to "USB Audio System Recognition/Play Error"

Click here

No. 1 stereo jack adapter assembly

Click here

Multi-media module receiver assembly

Click here

Thumbnail images for opening image or screen off image are not displayed on setting screen. Check if it is the first start-up after disconnecting and reconnecting the +B terminal. (Reading from the HDD may be slow when the system is first starting-up.) -
Set the opening image or screen off image again. -
Multi-media module receiver assembly

Click here

Image cannot be set for opening image or screen off image on setting screen. Set the opening image or screen off image again. -
Multi-media module receiver assembly

Click here

Connected Services (w/ Connected Services)
Symptom Suspected Area See page
Connection to the search engine fails. Check "Connected Services" in System Description

Click here

Contact the mobile network provider and check if the items in "Detail Setting" are set correctly. -
Check if the cellular phone is in standby mode. -
Check if the cellular phone is compatible with the connected service. -
Multi-media module receiver assembly

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. -
Multi-media module receiver assembly

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. -
Multi-media module receiver assembly

Click here

Fuel Consumption Function
Symptom Suspected Area See page
"Fuel Consumption" icon is dimmed. Check if other icons or items displayed on screen have any problems. -
Multi-media module receiver assembly

Click here

Graph is not displayed on "Trip Information" screen. Recheck with the engine running. -
Multi-media module receiver assembly

Click here

Cruise range is not displayed on "Trip Information" screen. Turn engine switch on (IG) and recheck. -
Multi-media module receiver assembly

Click here

Graph is not updated on "Past record" screen even though "Clear" is selected. Turn engine switch on (IG) and recheck. -
Multi-media module receiver assembly

Click here

Graph is not displayed on "Past record" screen. Turn engine switch on (IG) and recheck. -
Multi-media module receiver assembly

Click here

Sound Library Function (w/ Sound Library Function)
Symptom Suspected Area See page
A message is displayed indicating that music cannot be played. Proceed to "Audio Recorded to HDD cannot be Played"

Click here

Multi-media module receiver assembly

Click here

Hard disk drive

Click here

Audio recorded to HDD cannot be played. Proceed to "Audio Recorded to HDD cannot be Played"

Click here

Multi-media module receiver assembly

Click here

Hard disk drive

Click here

A message is displayed indicating that HDD is unable to copy because of low temperature. Start engine and increase cabin temperature (near multi-media module receiver assembly) -
Multi-media module receiver assembly

Click here

Hard disk drive

Click here

Sound cannot be heard for all tracks only when using sound library. Multi-media module receiver assembly

Click here

Hard disk drive

Click here

CD tracks cannot be recorded. ("REC" switch is not displayed.) Proceed to "Audio cannot be Recorded to HDD"

Click here

Multi-media module receiver assembly

Click here

CD tracks cannot be recorded. Proceed to "Audio cannot be Recorded to HDD"

Click here

Multi-media module receiver assembly

Click here

Hard disk drive

Click here

Sound library items cannot be edited/deleted. Proceed to "Cannot Edit or Delete Sound Library Items"

Click here

Multi-media module receiver assembly

Click here

Hard disk drive

Click here