NAVIGATION SYSTEM PROBLEM SYMPTOMS TABLE
Tech Tips
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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.
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| Black screen (No image appears on navigation/audio screen.) | Proceed to "Black Screen" | |
| Proceed to "Display Signal Circuit between Navigation ECU and Multi-display" | ||
| Proceed to "Visual Mute Signal Circuit between Radio Receiver and Multi-display" | ||
| Hard disc | ||
| Multi-media module receiver assembly | ||
| 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 disc | |
| Multi-media module receiver assembly | ||
| 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 disc | |
| Multi-media module receiver assembly | ||
| 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.) | Hard disc | |
| Multi-media module receiver assembly | ||
| The accessory meter assembly (for 12.3 Inch) or multi-display (for 8 Inch) does not dim even when the light control switch is turned to the tail or head position. | Confirm that the tail cancel is off. | - |
| Proceed to "Display does not Dim when Light Control Switch is Turned ON" | ||
| Proceed to "Illumination Circuit" | ||
| Multi-display (for 8 Inch) | ||
| Accessory meter assembly (for 12.3 Inch) | ||
| Multi-media module receiver assembly | ||
| Power does not turn off. (Screen remains on.) | Proceed to "Radio Receiver Power Source Circuit" | |
| Multi-media module receiver assembly | ||
| Multi-display (for 8 Inch) | ||
| Accessory meter assembly (for 12.3 Inch) | ||
| Noise occurs when screens switch. | Proceed to "Visual Mute Signal Circuit between Radio Receiver and Multi-display" | |
| Multi-media module receiver assembly | ||
| Multi-display (for 8 Inch) | ||
| Accessory meter assembly (for 12.3 Inch) | ||
| Screen is distorted. | Proceed to "Radio Receiver Power Source Circuit" | |
| Multi-media module receiver assembly | ||
| Multi-display (for 8 Inch) | ||
| Accessory meter assembly (for 12.3 Inch) | ||
| Screen flicker or color distortion. | Proceed to "Screen Flicker or Color Distortion" | |
| Proceed to "Display Signal Circuit between Navigation ECU and Multi-display" | ||
| Proceed to "Visual Mute Signal Circuit between Navigation ECU and Multi-display" | ||
| Multi-media module receiver assembly | ||
| Navigation function switches can be operated while vehicle is being driven. | Multi-media module receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Screen cannot be changed to UIC setting screen. | Multi-media module receiver assembly | |
| 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" | ||
| Stereo jack adapter assembly | ||
| Multi-media module receiver assembly | ||
| 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" | ||
| Stereo jack adapter assembly | ||
| Multi-media module receiver assembly | ||
| 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" | ||
| Stereo jack adapter assembly | ||
| Multi-media module receiver assembly | ||
| 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 | ||
| Stored image cannot be deleted. | Multi-media module receiver assembly | |
| 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" | ||
| Stereo jack adapter assembly | ||
| Multi-media module receiver assembly | ||
| 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 | ||
| 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 |
| Symptom | Suspected Area | See page |
|---|---|---|
| GPS mark is not displayed. | Proceed to "GPS Mark is not Displayed" | |
| Navigation antenna assembly | ||
| Multi-media module receiver assembly | ||
| Vehicle position mark deviates from correct position and does not return to correct position. | Proceed to "GPS Mark is not Displayed" | |
| Navigation antenna assembly | ||
| Multi-media module receiver assembly | ||
| Cursor or map rotates when vehicle is stopped. | Proceed to "Cursor or Map Rotates when Vehicle Stopped" | |
| Multi-media module receiver assembly | ||
| Vehicle position mark moves in the opposite direction to the vehicle. | Check if the GPS mark is displayed on the map screen. | - |
| Proceed to "Cursor or Map Rotates when Vehicle Stopped" | ||
| Multi-media module receiver assembly | ||
| Vehicle position mark deviates from and returns to correct position repeatedly even though GPS mark is displayed. | Proceed to "GPS Mark is not Displayed" | |
| 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 | ||
| Multi-media module receiver assembly | ||
| Vehicle position mark moves slow or fast. | Proceed to "GPS Mark is not Displayed" | |
| Navigation antenna assembly | ||
| Multi-media module receiver assembly | ||
| Voice guidance does not function. | Proceed to "Voice Guidance does not Function" | |
| Proceed to "Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver" (w/ Emergency Call Switch) | ||
| Proceed to "Speaker Circuit" | ||
| Multi-media module receiver assembly | ||
| Telematics transceiver (w/ Emergency Call Switch) | ||
| Stereo component amplifier assembly | ||
| Map display is incomplete. | Hard disc | |
| Multi-media module receiver assembly | ||
| Route cannot be calculated. | Proceed to "Route cannot be Calculated" | |
| Multi-media module receiver assembly | ||
| Screen does not change to night screen even when tail switch is turned on. | Proceed to "Display does not Dim when Light Control Switch is Turned ON" | |
| Proceed to "Illumination Circuit" | ||
| Multi-display (for 8 Inch) | ||
| Accessory meter assembly (for 12.3 Inch) | ||
| Multi-media module receiver assembly | ||
| Navigation ECU cannot record memory point registration or each item setting. | Hard disc | |
| Multi-media module receiver assembly | ||
| 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) | - |
| Proceed to "Check Hard Disk Drive" in Operation Check | ||
| Multi-media module receiver assembly | ||
| 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 disc | ||
| Multi-media module receiver assembly | ||
| 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 disc | ||
| Multi-media module receiver assembly | ||
| Voice menu screen is not displayed. | Proceed to "Panel Switches do not Function" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Multi-media module receiver assembly | ||
| Voice is not recognized. | Proceed to "Panel Switches do not Function" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Proceed to "Voice is not Recognized" | ||
| Proceed to "Microphone Circuit between Microphone and Radio Receiver" | ||
| Telematics transceiver (w/ Emergency Call Switch) | ||
| Multi-media module receiver assembly | ||
| Customizable parameters cannot be changed. (Customizable parameters can be changed by using the GTS.) | Multi-media module receiver assembly | |
| Reverse signal does not change in vehicle signal check mode. | Check shift indicator display on combination meter. | - |
| Multi-media module receiver assembly | ||
| Parking brake signal does not change in vehicle signal check mode. | Go to electric parking brake system | |
| Multi-media module receiver assembly | ||
| "MIC" is not displayed on system check mode screen. | Proceed to "Microphone Circuit between Microphone and Radio Receiver" | |
| Multi-media module receiver assembly | ||
| "AUX" is not displayed on system check mode screen. | Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter" | |
| Multi-media module receiver assembly |
| 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" | |
| Switch lights of remote touch do not illuminate. | Proceed to "Switch Lights of Remote Touch do not Illuminate" | |
| 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" | |
| Switch operation of remote touch is not accepted. | Proceed to "Switch Operation of Remote Touch not Accepted" | |
| Pointer does not reach screen edge. | Proceed to "Pointer does not Reach Screen Edge" | |
| Pointer displayed/not displayed repeatedly. | Proceed to "Pointer Displayed/not Displayed Repeatedly" | |
| Pointer is not displayed on screen or pointer does not move. | Proceed to "Pointer not Displayed on Screen or Pointer does not Move" | |
| Knob of remote touch moves spontaneously. | Proceed to "Knob of Remote Touch Moves Spontaneously" |
| Symptom | Suspected Area | See page |
|---|---|---|
| System cannot be operated by steering pad switch. | Proceed to "Panel Switches do not Function" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Multi-media module receiver assembly | ||
| The steering pad switch does not illuminate even when the light control switch is turned to the tail or head position. | Proceed to "Illumination Circuit" | |
| Multi-media module receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Bluetooth is inoperative. | Proceed to "Microphone Circuit between Microphone and Radio Receiver" | |
| Multi-media module receiver assembly | ||
| Cellular phone registration failure. | Proceed to "Cellular Phone Registration Failure, Phonebook Transfer Failure" | |
| Multi-media module receiver assembly | ||
| Cellular phone cannot make outgoing/incoming calls or call in a certain place. | Proceed to "Cellular Phone cannot Make Outgoing/Incoming Calls" | |
| Multi-media module receiver assembly | ||
| Message that prompts to check the cellular phone is displayed. | Proceed to "Cellular Phone cannot Make Outgoing/Incoming Calls" | |
| Multi-media module receiver assembly | ||
| Phonebook data cannot be transferred manually or automatically. | Check the automatic download contract 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" | ||
| Multi-media module receiver assembly | ||
| 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 | |
| Proceed to "The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted" | ||
| Multi-media module receiver assembly | ||
| Stereo component amplifier assembly | ||
| 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 | |
| Proceed to "The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted" | ||
| Proceed to "Microphone Circuit between Microphone and Radio Receiver" | ||
| Multi-media module receiver assembly | ||
| E-mail/SMS cannot be received or sent. (w/ Connect Service) | 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" | ||
| Multi-media module receiver assembly |
| 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 | ||
| Graph is not displayed on "Trip Information" screen. | Recheck with the engine running. | - |
| Multi-media module receiver assembly | ||
| Cruise range is not displayed on "Trip Information" screen. | Turn engine switch on (IG) and recheck. | - |
| Multi-media module receiver assembly | ||
| 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 | ||
| Graph is not displayed on "Past record" screen. | Turn engine switch on (IG) and recheck. | - |
| Multi-media module receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Connection to the search engine fails. | Check "Connected Services" in System Description | |
| 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 | ||
| 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 | ||
| 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 |
| Symptom | Suspected Area | See page |
|---|---|---|
| TPEG information is not displayed on the navigation screen. | Check that "Show traffic info" is set to on. | - |
| Check whether the area is where TPEG information can be received. | - | |
| Multi-media module receiver assembly | ||
| TPEG provider logo mark is not displayed on the information screen. | Check if the DAB function for audio is being used. | - |
| Check if the select traffic info service is set to AUTO. | - | |
| Check whether DAB could be received. | - | |
| Proceed to "Check DAB Reception" in Operation Check | ||
| Multi-media module receiver assembly | ||
| Detoured search using TPEG information does not operate. | Check that "Show traffic info" is set to on. | - |
| Check that "Realtime traffic events" or "Predictive traffic events" are set to on. | - | |
| Multi-media module receiver assembly |