NAVIGATION SYSTEM PROBLEM SYMPTOMS TABLE

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 Link
Pressing ignition switch does not turn on system. Proceed to "Navigation Receiver Assembly Power Source Circuit"

Click here

Navigation receiver assembly

Click here

Black screen (No image appears on navigation/audio screen). Proceed to "Black Screen"

Click here

Navigation 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

Navigation receiver assembly

Click here

Display does not dim at night. Proceed to "Dimmer Signal Circuit"

Click here

Navigation receiver assembly

Click here

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

Click here

Navigation receiver assembly

Click here

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

Click here

Navigation receiver assembly

Click here

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

Click here

Proceed to "Navigation Receiver Assembly Power Source Circuit"

Click here

Navigation receiver assembly

Click here

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

Click here

Navigation receiver assembly

Click here

Panel Switch and Touch 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

Combination meter assembly

Click here

Navigation receiver assembly

Click here

Panel switches do not dim at night. Proceed to "Dimmer Signal Circuit"

Click here

Navigation 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

Navigation receiver assembly

Click here

Touch panel switch does not function. Proceed to "Touch Panel Switch does not Function"

Click here

Navigation receiver assembly

Click here

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

Click here

Navigation receiver assembly

Click here

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

Navigation receiver assembly

Click here

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

Click here

Navigation receiver assembly

Click here

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

Click here

Navigation antenna assembly

Click here

No. 2 navigation antenna cord sub-assembly

Click here

Antenna cord sub-assembly

Click here

Navigation 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

Click here

No. 2 navigation antenna cord sub-assembly

Click here

Antenna cord sub-assembly

Click here

Navigation 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

Click here

No. 2 navigation antenna cord sub-assembly

Click here

Antenna cord sub-assembly

Click here

Navigation receiver assembly

Click here

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

Click here

Navigation 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

Proceed to "Reverse Signal Circuit"

Click here

Navigation 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

Click here

No. 2 navigation antenna cord sub-assembly

Click here

Antenna cord sub-assembly

Click here

Navigation receiver assembly

Click here

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

Click here

Navigation antenna assembly

Click here

No. 2 navigation antenna cord sub-assembly

Click here

Antenna cord sub-assembly

Click here

Navigation receiver assembly

Click here

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

Click here

Proceed to "Speaker Circuit"

Click here

Navigation receiver assembly

Click here

Map display is incomplete. SD card -
Navigation receiver assembly

Click here

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

Click here

Navigation receiver assembly

Click here

Navigation system cannot record memory point registration or each item setting. Navigation 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 navigation receiver assembly) -
Navigation 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 -
SD card -
Navigation 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) -
SD card -
Navigation receiver assembly

Click here

Reverse signal does not change in vehicle signal check mode. Proceed to "Reverse Signal Circuit"

Click here

Navigation receiver assembly

Click here

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

Click here

Navigation receiver assembly

Click here

General Audio Function
Symptom Suspected Area Link
No sound can be heard from speakers. Proceed to "No Sound can be Heard from Speakers"

Click here

Proceed to "Speaker Circuit"

Click here

Navigation receiver assembly

Click here

Abnormal noise occurs. Proceed to "Noise Occurs"

Click here

Navigation 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

Navigation receiver assembly

Click here

ASL does not function. Check that the ASL function is on -
Proceed to "Vehicle Speed Signal Circuit between Navigation Receiver Assembly and Combination Meter"

Click here

Navigation receiver assembly

Click here

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). Navigation receiver assembly

Click here

Radio broadcast can be displayed but radio broadcast cannot be heard from speakers. Check the volume settings -
Navigation receiver assembly

Click here

Radio broadcast can be received but station list cannot be displayed. Wait for 120 seconds in radio mode, and select the "Refresh" switch on the station list screen -
Navigation receiver assembly

Click here

Digital Audio Broadcast (DAB) Function (w/ DAB Function)
Symptom Suspected Area Link
Sound cannot be heard/sound quality is poor/loud noise occurs only when DAB function is used (when receiving DAB-TA, sound temporarily may not be heard). Operate the volume switch and turn up the volume level -
Proceed to "Check DAB Reception" in Operation Check

Click here

Windshield glass (DAB antenna)

Click here

No. 2 antenna cord sub-assembly

Click here

Antenna cord sub-assembly

Click here

Navigation receiver assembly

Click here

When time shift mode is not selected, DAB-TA cannot be used. Check if DAB-TA function is set to on -
Check that "TP" icon is displayed on the screen -
Check if similar symptoms occur with another vehicle -
Navigation receiver assembly

Click here

DAB-DAB Link, DAB-FM Link or Time- Shift cannot be used. Check if each function is set to on -
Check if similar symptoms occur when receiving other broadcasts -
Navigation receiver assembly

Click here

CD or DVD Player Function
Symptom Suspected Area Link
Disc cannot be played or player does not function with disc. Proceed to "Disc Player Outline" in System Description and check if the disc is compatible with the disc player

Click here

Proceed to "Check Optical Disc Error History" in Operation Check

Click here

Navigation receiver assembly

Click here

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"

Click here

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"

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 Link
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

Navigation receiver assembly

Click here

"AUX/VTR" 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

Navigation receiver assembly

Click here

Voice Recognition Function
Symptom Suspected Area Link
Voice recognition screen is not displayed (Voice recognition function does not turn on). Check that the navigation receiver assembly is not displaying the voice tag recognition screen -
Check that the cellular phone is not sending, receiving, automatically forwarding data, out of service, holding a call, etc. -
Proceed to "Steering Pad Switch Circuit"

Click here

Navigation receiver assembly

Click here

Voice tag registration screen is not displayed. Proceed to "Panel Switches do not Function"

Click here

Navigation 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

SD card -
Navigation receiver assembly

Click here

"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

Navigation 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

Navigation 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 -
Navigation 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

Navigation 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

Navigation 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 confirmation display on the in-vehicle device off -
Phonebook data cannot be transferred. Check that the phonebook 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

Navigation receiver assembly

Click here

Phonebook data is cleared. Navigation receiver assembly

Click here

Phonebook data cannot be edited. Check that the phonebook data automatic transfer setting is off -
Navigation receiver assembly

Click here

All the transferred phonebook data is sorted to "Other". Check that the phonebook data automatic transfer setting is off -
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 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

Navigation 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

Navigation 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

Navigation 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 Navigation 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 Navigation Receiver Assembly"

Click here

No notification when a new SMS/MMS/email has been received (w/ SMS/MMS/email Function). Check the SMS/MMS/e-mail notification settings on the cellular phone and the navigation receiver assembly -
Proceed to "Cellular Phone Inspection"

Click here

Navigation receiver assembly

Click here

Received SMS/MMS/e-mail cannot be read (w/ SMS/MMS/e-mail Function). Check the SMS/MMS/e-mail transfer settings on the cellular phone and the navigation receiver assembly -
Proceed to "Cellular Phone Inspection"

Click here

Navigation receiver assembly

Click here

SMS/MMS/e-mail cannot be replied to (w/ SMS/MMS/e-mail Function). Move the vehicle into a cellular phone service area, and check the operation of the navigation receiver assembly and cellular phone -
Check that the cellular phone can send an SMS/MMS/e-mail -
Proceed to "Cellular Phone Inspection"

Click here

Navigation receiver assembly

Click here

"Bluetooth" Audio Function
Symptom Suspected Area Link
Portable player cannot be registered. Proceed to "Portable Player cannot be Registered"

Click here

Navigation 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

Navigation 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

Navigation 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

Navigation 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

Navigation receiver assembly

Click here

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

Click here

Navigation 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

Navigation 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

Navigation 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

Navigation 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

Navigation 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

Navigation 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

Navigation receiver assembly

Click here

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

Click here

Navigation receiver assembly

Click here

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 Navigation Receiver Assembly and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Navigation 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

Navigation 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

Navigation receiver assembly

Click here

USB device or "iPod" is recognized but cannot play, or can play but not in a sorted order. Proceed to "USB Audio System Recognition/Play Error"

Click here

No. 1 stereo jack adapter assembly

Click here

Navigation receiver assembly

Click here

Album cover art cannot be displayed. Check that Display Cover Art on the "iPod" or USB Settings screen is set to on -
Check if similar symptoms occur with another vehicle -
Navigation 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 USB device or "iPod" - Navigation receiver assembly -
Navigation 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

Navigation receiver assembly

Click here

Screen is distorted or not displayed only when using the video function of an "iPod". Check if "iPod" is set to output images -
Proceed to "USB Audio System Outline" in System Description and check if the "iPod" is compatible with the navigation receiver assembly

Click here

Check if the appropriate image signal setting (NTSC/PAL) is selected -
Check if video sound input is set to "A/V" -
Connect using a known good cable and check if the image is output -
Proceed to "Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter"

Click here

No. 1 stereo jack adapter assembly

Click here

Navigation receiver assembly

Click here

USB-Video cannot play. Proceed to "USB Audio System Outline" in System Description and check that the video file stored on the USB device is playable

Click here

Check that MOD data is not being downloaded through USB device -
Check that application data is not being downloaded through USB device -
Check that reprogramming data is not being downloaded through USB device -
Check that the CDDB is not being updated -
Check if the file can be played in another vehicle -
No. 1 stereo jack adapter assembly

Click here

Navigation receiver assembly

Click here

USB-Video cannot be recognized/selected. Proceed to "USB Audio System Outline" in System Description and check that the video file stored on the USB device is playable

Click here

Check if any video files on the connected USB device can be played in another vehicle -
No. 1 stereo jack adapter assembly

Click here

Navigation receiver assembly

Click here

USB-Video screen is not displayed (Audio is output). Check if the USB-Video screen is displayed while the vehicle is stopped -
Proceed to "USB Audio System Outline" in System Description and check that the video file stored on the USB device is playable

Click here

Check that the file format does not only support audio -
Check if the file can be played in another vehicle -
No. 1 stereo jack adapter assembly

Click here

Navigation receiver assembly

Click here

Screen color is poor only for USB-Video. Restore display settings to their default values and play a USB-Video -
Check the color of other files on the USB device -
Check the screen color of other USB devices -
Check if the file can be displayed properly in another vehicle -
No. 1 stereo jack adapter assembly

Click here

Navigation receiver assembly

Click here

USB-Video sound cannot be heard or sound quality is bad. Restore audio settings to their default values and play a USB-Video -
Check the sound of other files on the USB device -
Check the sound of other USB devices -
Check if the file can be played properly in another vehicle -
No. 1 stereo jack adapter assembly

Click here

Navigation receiver assembly

Click here

Cannot change USB-Video settings. Check if the USB-Video screen is displayed while the vehicle is stopped -
Navigation receiver assembly

Click here

Customize Startup Image or Screen Off Image Function
Symptom Suspected Area Link
Screen cannot be changed to UIC setting screen. Navigation 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

Navigation 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

Navigation 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

Navigation 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 SD card may be slow when the system is first starting-up) -
Set the opening image or screen off image again -
Navigation receiver assembly

Click here

Stored image cannot be deleted. Navigation 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

Navigation 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 SD card may be slow when the system is first starting-up) -
Set the opening image or screen off image again -
Navigation 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 -
Navigation receiver assembly

Click here

Fuel Consumption Function
Symptom Suspected Area Link
"Fuel Consumption" icon is dimmed. Check if other icons or items displayed on screen have any problems -
Navigation receiver assembly

Click here

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

Click here

Cruise range is not displayed on "Trip Information" screen. Turn the ignition switch to ON and recheck -
Navigation 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 -
Navigation receiver assembly

Click here

Graph is not displayed on "Past record" screen. Turn the ignition switch to ON and recheck -
Navigation receiver assembly

Click here

Toyota Link Function (w/ Toyota Link Function)
Symptom Suspected Area Link
A Toyota Link function error message is displayed on the screen. Follow on screen instructions -
Proceed to "Confirm Cellular Phone Functionality"

Click here

Proceed to "Confirm Vehicle Headunit Functionality"

Click here

Proceed to "Toyota Link Reset Procedure" in Operation Check

Click here

Navigation receiver assembly

Click here

Toyota Link apps and services are not operating as expected. Proceed to "Confirm Cellular Phone Functionality"

Click here

Proceed to "Confirm Vehicle Headunit Functionality"

Click here

Proceed to "Toyota Link Reset Procedure" in Operation Check

Click here

Navigation receiver assembly

Click here

Toyota Link voice recognition is not possible (voice recognition on the navigation system is normal). Proceed to "Confirm Cellular Phone Functionality"

Click here

Proceed to "Confirm Vehicle Headunit Functionality"

Click here

Proceed to "Toyota Link Reset Procedure" in Operation Check

Click here

Navigation receiver assembly

Click here

Poor sound quality of Toyota Link function. Confirm that cellular phone handset volume is turned up -
Confirm that adequate signal is maintained during driving -
Proceed to "Confirm Cellular Phone Functionality"

Click here

Proceed to "Confirm Vehicle Headunit Functionality"

Click here

Proceed to "Toyota Link Reset Procedure" in Operation Check

Click here

Navigation receiver assembly

Click here