Note
The following malfunctions may occur if a radio receiver assembly or navigation ECU from another vehicle is installed to this vehicle. Therefore, when replacing the radio receiver assembly or navigation ECU, be sure to replace them with new ones.
Communication malfunction DTC is output
Does not operate normally
When replacing the telephone transceiver assembly, make sure to replace it with a new one.
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.
Symptom | Suspected Area | Link |
---|---|---|
The navigation function and voice recognition function cannot be used, the above symptoms occur after repeatedly restarting with the engine switch on (ACC). | Check that "MEU" is displayed on the System Check Mode screen and it is displayed as "OK" | |
Check that the part number of the navigation ECU is correct (check that an imitation part is not connected) | - | |
Check the radio receiver assembly and navigation ECU software version, update to the latest software version if it is available and check for the symptoms again | - | |
Proceed to "Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU" | ||
No. 1 navigation wire | ||
Navigation ECU | ||
Radio receiver assembly | ||
Valet Mode cannot be canceled.*1 | Proceed to "Valet Mode Cancel" in Operation Check | |
Radio receiver assembly | ||
The handwriting input screen is not displayed or potential matches for the character currently being entered and potential matches for the next character are not displayed.*2 | Radio receiver assembly |
*1: w/ Valet Mode Function
*2: w/ Handwriting Function
Symptom | Suspected Area | Link |
---|---|---|
Black screen. (no image appears on the navigation/audio screen.) | Proceed to "Black Screen" | |
Proceed to "Check Software Error History" in Operation Check | ||
Proceed to "Visual Mute Signal Circuit between Radio Receiver Assembly and Multi-display" | ||
If the view behind the vehicle is displayed normally on the multi-display when the engine is running and the shift position in R, replace the radio receiver assembly | ||
Replace the radio receiver assembly when a music disc is inserted into the radio receiver assembly and audio does not play | ||
Replace the radio receiver assembly when the start screen description sound does not play after pressing the remote touch "MENU" switch | ||
Replace the radio receiver assembly when the determination sound or failure sound does not sound after pressing or double tapping the remote touch screen | ||
Multi-display | ||
Radio 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. | Navigation ECU | |
Radio receiver assembly | ||
A white or blue screen remains displayed after the engine switch is turned on (ACC). | Replace the radio receiver assembly when the map screen is displayed after pressing the remote touch "MAP" switch | |
After checking that the audio screen is normal, press the remote touch "MAP" switch and replace the navigation ECU if only the navigation screen output is abnormal | ||
If a DVD disc is inserted into the radio receiver assembly and the image playback is abnormal, the navigation screen display is abnormal after pressing the remote touch "MAP" switch, and the view behind the vehicle feed is displayed normally on the multi-display when the engine is running and the shift position in R, replace the radio receiver assembly | ||
If a DVD disc is inserted into the radio receiver assembly and the image playback is abnormal, the navigation screen display is abnormal after pressing the remote touch "MAP" switch, and the view behind the vehicle feed displays a white or blue screen when the engine is running and the shift position in R, replace the multi-display | ||
Multi-display | ||
Navigation ECU | ||
Radio receiver assembly | ||
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" | |
Multi-display | ||
Radio receiver assembly | ||
Power does not turn off. (screen remains on.) | Proceed to "Radio Receiver Assembly Power Source Circuit" | |
Multi-display | ||
Radio receiver assembly | ||
Noise occurs when screen changes. | Proceed to "Visual Mute Signal Circuit between Radio Receiver Assembly and Multi-display" | |
Multi-display | ||
Radio receiver assembly | ||
Screen is distorted. | Proceed to "Radio Receiver Assembly Power Source Circuit" | |
Proceed to "Visual Mute Signal Circuit between Radio Receiver Assembly and Multi-display" | ||
Multi-display | ||
Radio receiver assembly | ||
Screen flicker or color distortion. | Proceed to "Screen Flicker or Color Distortion" | |
Proceed to "Visual Mute Signal Circuit between Radio Receiver Assembly and Multi-display" | ||
Radio receiver assembly | ||
Navigation function switches can be operated while vehicle being driven. | Proceed to "Check Vehicle Signal" in Operation Check | |
Proceed to "How to Proceed with Troubleshooting" in Electric Parking Brake System | ||
Navigation ECU | ||
Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
Illumination for panel switches does not come on when tail switch on. | Proceed to "Illumination for Panel Switch does not Come on with Tail Switch ON" | |
Proceed to "Illumination Circuit" | ||
Radio receiver assembly | ||
Panel switches do not function. | Proceed to "Panel Switches do not Function" | |
Switch and volume assembly | ||
Remote operation controller assembly (remote touch) | ||
Radio receiver assembly | ||
Radio receiver assembly does not dim at night. | Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
Remote touch screen does not generate vibration feedback. | Proceed to "Remote Touch Screen Does not Generate Vibration Feedback" | |
Switch lights of remote touch do not illuminate. | Check that the meter/gauge system is operating normally | |
Proceed to "Switch Lights of Remote Touch do not Illuminate" | ||
Switch lights of remote touch are always illuminated or cannot be controlled using rheostat. | Check that the meter/gauge system is operating normally | |
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 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" | |
Remote touch screen flick operation not accepted. | Check that "Map Flick Operation" is set to ON (OFF by default) with the customization using the multi-display. | |
Check if the screen where a flick operation is performed is the full screen map display or list screen (screen with a vertical scroll tab) (Flick operations cannot be performed on screens other than the split display map screen or list screen). | - | |
Remote touch screen pinch in/out operation not accepted. | Check that pinch in/out operation is performed with 2 fingers | - |
Check if the screen where a pinch in/out operation is performed is the map screen (Pinch in/out operations cannot be performed on screens other than the map screen). | - |
Symptom | Suspected Area | Link |
---|---|---|
System cannot be operated by steering pad switch. | Proceed to "Panel Switches do not Function" | |
Proceed to "Steering Pad Switch Circuit" | ||
Radio receiver assembly | ||
Illumination for steering pad switch does not come on with tail switch on. | Proceed to "Illumination Circuit" | |
Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
"No GPS signal" mark is displayed. | Proceed to ""No GPS signal" mark is displayed" | |
Antenna cord sub-assembly | ||
Navigation antenna assembly | ||
Navigation ECU | ||
Date and time on navigation screen are different from actual date and time. | Proceed to ""No GPS signal" mark is displayed" | |
Antenna cord sub-assembly | ||
Navigation antenna assembly | ||
Navigation ECU | ||
Vehicle position mark deviates from correct position and does not return to correct position. | Proceed to ""No GPS signal" mark is displayed" | |
Proceed to "Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter" | ||
Antenna cord sub-assembly | ||
Navigation antenna assembly | ||
Navigation ECU | ||
Cursor or map rotates when vehicle is stopped. | Proceed to "Cursor or Map Rotates when Vehicle Stopped" | |
Navigation ECU | ||
Vehicle position mark moves in the opposite direction to the vehicle. | Proceed to "Cursor or Map Rotates when Vehicle Stopped" | |
Proceed to "Check Vehicle Signal" in Operation Check | ||
Proceed to "Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU" | ||
Navigation ECU | ||
Vehicle position mark deviates from and returns to correct position repeatedly even though "No GPS signal" mark is not displayed. | Proceed to ""No GPS signal" mark is displayed" | |
Proceed to "Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter" | ||
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) | - | |
Antenna cord sub-assembly | ||
Navigation antenna assembly | ||
Navigation ECU | ||
Vehicle position mark moves slow or fast. | Proceed to ""No GPS signal" mark is displayed" | |
Proceed to "Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter" | ||
Antenna cord sub-assembly | ||
Navigation antenna assembly | ||
Navigation ECU | ||
Voice guidance does not function. | Proceed to "Voice Guidance does not Function" | |
Proceed to "Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver"*1 | ||
Proceed to "Speaker Circuit" | ||
Stereo component amplifier assembly | ||
Telephone transceiver assembly*1 | ||
Navigation ECU | ||
Radio receiver assembly | ||
Map display is incomplete. | Navigation ECU | |
Route cannot be calculated. | Proceed to "Route cannot be Calculated" | |
Navigation ECU | ||
Navigation system cannot record memory point registration or each item setting. | Navigation ECU | |
A message indicating to wait for a while because of low temperature is displayed. | Start the engine and increase cabin temperature (near navigation ECU) | - |
Navigation ECU | ||
A message is displayed because map data cannot be read, and current position screen is not displayed. | If a message appears only when driving on rough roads, check if the message disappears when vehicle is stopped | - |
Navigation ECU | ||
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 the smallest (a scale that shows a large area) | - |
Navigation ECU | ||
The "Searching Gas Station in Low Fuel Function" does not function even when the remaining fuel is low.*2 | Check that the function is not turned off in the multi-display settings. | - |
Radio receiver assembly | ||
Customizable parameters cannot be changed. (customizable parameters can be changed by using the GTS.) | Radio receiver assembly | |
Reverse signal does not change in vehicle signal check mode. | Check the shift indicator display on the combination meter assembly | - |
Radio receiver assembly | ||
Parking brake switch signal does not change in vehicle signal check mode. | Proceed to "Check Vehicle Signal" in Operation Check | |
Proceed to "How to Proceed with Troubleshooting" in Electric Parking Brake System | ||
Radio receiver assembly |
*1: w/ Telematics Transceiver
*2: w/ Searching Gas Station in Low Fuel Function
Symptom | Suspected Area | Link |
---|---|---|
Radio broadcast cannot be received or poor reception. | Proceed to "Radio Broadcast cannot be Received or Poor Reception" | |
Radio broadcast can be received but radio station cannot be displayed. (some radio stations do not provide their name information.) | Radio receiver assembly | |
Radio broadcast can be displayed but radio broadcast cannot be heard from speakers. | Check the volume settings | - |
Radio receiver assembly |
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 | ||
No. 5 antenna cord sub-assembly LH | ||
No. 5 antenna cord sub-assembly RH | ||
No. 4 antenna cord sub-assembly | ||
No. 3 antenna cord sub-assembly | ||
No. 2 antenna cord sub-assembly | ||
Antenna cord sub-assembly | ||
Quarter window assembly LH (window glass antenna wire) | ||
Quarter window assembly RH (window glass antenna wire) | ||
Radio receiver assembly | ||
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 | - | |
Radio receiver assembly | ||
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 | - | |
Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
Pressing engine switch does not turn on system. | Proceed to "Radio Receiver Assembly Power Source Circuit" | |
Radio receiver assembly | ||
No sound can be heard from speakers. | Proceed to "No Sound can be Heard from Speakers" | |
Proceed to "Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver"* | ||
Proceed to "Speaker Circuit" | ||
Telephone transceiver assembly* | ||
Stereo component amplifier assembly | ||
Radio receiver assembly | ||
Abnormal noise occurs. | Proceed to "Noise Occurs" | |
Proceed to "Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver"* | ||
Telephone transceiver assembly* | ||
Stereo component amplifier assembly | ||
Radio receiver assembly | ||
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)" | ||
Proceed to "Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver"* | ||
Proceed to "Speaker Circuit" | ||
Telephone transceiver assembly* | ||
Stereo component amplifier assembly | ||
Radio receiver assembly | ||
ASL does not function. | Check that the ASL function is on | - |
Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter" | ||
Stereo component amplifier assembly | ||
Radio receiver assembly |
*: w/ Telematics Transceiver
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 | |
Proceed to "Check Optical Disc Error History" in Operation Check | ||
Radio receiver assembly | ||
Disc cannot be inserted/played or disc is ejected right after insertion. | Proceed to "Check Optical Disc Error History" in Operation Check | |
Proceed to "Disc cannot be Inserted or is Ejected Right After Insertion" | ||
Disc cannot be ejected. | Proceed to "Check Optical Disc Error History" in Operation Check | |
Proceed to "Disc cannot be Ejected" | ||
Disc sound skips. | Proceed to "Check Optical Disc Error History" in Operation Check | |
Proceed to "CD/DVD Sound Skips" | ||
While vehicle is stopped, VCD or DVD cannot be viewed even when parking brake is applied. (parking brake switch is on.)* | Proceed to "Check Vehicle Signal" in Operation Check | |
Proceed to "How to Proceed with Troubleshooting" in Electric Parking Brake System | ||
Radio receiver assembly | ||
Screen color is poor only when watching a VCD or DVD.* | Change the color settings on the screen adjustment screen | - |
Radio receiver assembly | ||
Playback control does not function.* | Check if similar symptoms occur with another vehicle | - |
Check that the VCD standard is Ver. 2.0 or higher | - | |
Replace the VCD with a known good one and check that the malfunction disappears | - | |
Radio receiver assembly | ||
While vehicle is stopped, DVD cannot be viewed even when parking brake is applied. (parking brake switch is on.) | Proceed to "Check Vehicle Signal" in Operation Check | |
Proceed to "How to Proceed with Troubleshooting" in Electric Parking Brake System | ||
Radio receiver assembly | ||
Screen color is poor only when watching a DVD. | Change the color settings on the screen adjustment screen | - |
Radio receiver assembly | ||
Sound quality is bad only when a disc is played. (volume is too low.) | Proceed to "Check Optical Disc Error History" in Operation Check | |
Proceed to "Sound Quality is Bad Only when Disc is Played (Volume is Too Low)" | ||
When disc is playing, some cover art is not displayed. | When a song unregistered to the Gracenote CDDB is playing, its cover art cannot be displayed | - |
When disc is playing, cover art cannot be displayed. | Radio receiver assembly | |
Album cover art cannot be displayed. | Check that display cover art on the disc settings screen is set to on | - |
Check if similar symptoms occur with another vehicle | - | |
If an indication to update the Gracenote database appears on the album cover art screen and update data has been downloaded to the radio receiver assembly, update the Gracenote database to the latest version | - | |
Radio receiver assembly |
*: w/ VCD Player
Symptom | Suspected Area | Link |
---|---|---|
Voice menu screen is not displayed. (voice recognition function does not turn on.) | Check if the voice recognition prompt function is on | - |
Proceed to "Panel Switches do not Function" | ||
Proceed to "Steering Pad Switch Circuit" | ||
Navigation ECU | ||
Radio receiver assembly | ||
When voice recognition switch is pressed, a short beep is emitted but voice cannot be recognized properly. | Check for any blockage in the sound holes of the roof headlining holder cover | - |
Remove the roof headlining from the roof headlining holder cover and with the roof headlining holder cover and telephone microphone assembly in the installed condition, check that there are no disconnected or lifted up parts | - | |
Proceed to "Voice is not Recognized" | ||
Proceed to "Microphone Circuit" | ||
Navigation ECU | ||
Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
Mobile assistant function does not work. | Check if the voice recognition application can be used on the device | - |
Check that the "Bluetooth" hands-free function is operating normally | - | |
Proceed to "Panel Switches do not Function" | ||
Proceed to "Steering Pad Switch Circuit" | ||
Proceed to "Check Microphone (Input to radio receiver assembly)" in Operation Check | ||
Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
"Bluetooth" is inoperative. (In-vehicle device cannot be recognized by the cellular phone.) | Restart the cellular phone and check the operation | - |
Radio receiver assembly | ||
"Bluetooth" compatible cellular phone cannot be registered. | Proceed to "Cellular Phone Registration Failure" | |
"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" | ||
Radio receiver assembly | ||
"Bluetooth" compatible cellular phone cannot be connected automatically. (can be connected manually.) | Check that "Bluetooth" automatic connection setting of the in-vehicle device is on | - |
Radio receiver assembly | ||
"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" | ||
Radio receiver assembly | ||
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" | ||
Radio receiver assembly | ||
When the engine switch is turned on (ACC), instructions for checking the connection condition between the in-vehicle device and cellular phone are displayed. | Turn the cellular phone connection conformation display on the in-vehicle device off | - |
Phonebook data cannot be transferred. | Check that the phonebook 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 operating | - | |
If using "Bluetooth" audio function, cancel the "Bluetooth" audio player connection and check the operation | - | |
Transfer phonebook data manually | - | |
Proceed to "Cellular Phone Inspection" | ||
Radio receiver assembly | ||
Phonebook data is cleared. | Radio receiver assembly | |
Phonebook data cannot be edited. | Check that the phonebook data automatic transfer setting is off | - |
Radio receiver assembly | ||
All of the transferred phonebook data is sorted to "Other". | Check that no applications on the cellular phone are operating | - |
Check that phonebook data in the cellular phone is not stored to the SIM card | - | |
Proceed to "Cellular Phone Inspection" | ||
Explain to the customer that all of 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" | ||
Radio receiver assembly | ||
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 | ||
Proceed to "Cellular Phone Inspection" | ||
Radio receiver assembly | ||
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 | ||
Proceed to "Cellular Phone Inspection" | ||
Radio receiver assembly | ||
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) | - | |
Check for any blockage in the sound holes of the roof headlining holder cover | - | |
Remove the roof headlining from the roof headlining holder cover and with the roof headlining holder cover and telephone microphone assembly in the installed condition, check that there are no disconnected or lifted up parts | - | |
Proceed to "Check Hands-free Voice Quality Setting" in Operation Check | ||
Proceed to "Cellular Phone Inspection" | ||
Proceed to "Microphone Circuit" | ||
Radio receiver assembly | ||
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) | - | |
Check for any blockage in the sound holes of the roof headlining holder cover | - | |
Remove the roof headlining from the roof headlining holder cover and with the roof headlining holder cover and telephone microphone assembly in the installed condition, check that there are no disconnected or lifted up parts | - | |
Proceed to "Check Hands-free Voice Quality Setting" in Operation Check | ||
Proceed to "Cellular Phone Inspection" | ||
Proceed to "Microphone Circuit" | ||
Radio receiver assembly | ||
No notification when a new SMS/MMS/e-mail has been received.* | Check the SMS/MMS/e-mail notification settings on the cellular phone and the radio receiver assembly | - |
Proceed to "Cellular Phone Inspection" | ||
Radio receiver assembly | ||
Received SMS/MMS/e-mail cannot be read.* | Check the SMS/MMS/e-mail transfer settings on the cellular phone and the radio receiver assembly | - |
Proceed to "Cellular Phone Inspection" | ||
Radio receiver assembly | ||
SMS/MMS/e-mail cannot be replied to.* | Move the vehicle into a cellular phone service area, and check the operation of the radio receiver assembly and cellular phone | - |
Check that the cellular phone can send an SMS/MMS/e-mail | - | |
Proceed to "Cellular Phone Inspection" | ||
Radio receiver assembly |
*: w/ SMS/MMS/e-mail Function
Symptom | Suspected Area | Link |
---|---|---|
Portable player cannot be registered. | Proceed to "Portable Player cannot be Registered" | |
Radio receiver assembly | ||
Portable player cannot be connected manually/automatically. | Proceed to "Portable Player cannot be Registered" | |
Proceed to "Portable Player cannot be Connected Manually/Automatically" | ||
Radio receiver assembly | ||
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" | |
Proceed to "Portable Player cannot be Connected Manually/Automatically" | ||
Radio receiver assembly | ||
Sound of portable player cannot be heard from speakers, or sound is low. | Check after setting "Wi-Fi" usage off in the multi-display settings. (When Bluetooth audio and "Miracast" are connected simultaneously, audio output priority varies depending on the specifications of the device) | - |
Proceed to "Sound of Portable Player cannot be Heard from Speakers or Sound is Low" | ||
Radio receiver assembly | ||
Portable player does not play even after "Bluetooth" audio mode is selected. | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
Radio receiver assembly | ||
Portable player does not play. | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
Radio receiver assembly | ||
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" | |
Radio receiver assembly | ||
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" | |
Radio receiver assembly | ||
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" | |
Radio receiver assembly | ||
"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" | |
Radio receiver assembly | ||
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" | |
Radio receiver assembly | ||
Noise occurs or sound skips when portable player plays. | Check after setting "Wi-Fi" usage off in the multi-display settings. (When Bluetooth, "Wi-Fi" and "Miracast" are connected simultaneously, the connection may be interrupted due to radio interference (2.4 GHz band radio wave congestion etc.)) | - |
Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" | ||
Radio receiver assembly | ||
Registered device cannot be deleted. | Proceed to "Registered Device cannot be Deleted" | |
Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
"Miracast" cannot be started. | Proceed to "Miracast cannot be started" | |
"Miracast" can be started but the "Miracast" image screen is not displayed. | Check that the vehicle is not being driven | - |
Check using another "Miracast" supported device | - | |
Radio receiver assembly | ||
"Miracast" starts but no audio can be heard. | Proceed to "Check Speaker" in Operation Check | |
Check that audio can be heard from the device | - | |
Check that the volume is not set to "0" | - | |
Check that mute is set to OFF | - | |
Check after setting "Bluetooth" automatic connection setting to off in the multi-display settings (When Bluetooth audio and "Miracast" are connected simultaneously, audio output priority varies depending on the specifications of the device) | - | |
Check using another "Miracast" supported device | - | |
Radio receiver assembly | ||
"This type of video is not available." is displayed on the multi-display screen and the video content stored on the device is not displayed. | Check "Menu" screen for the device is displayed on the head unit | - |
Explain to the customer that there is some content that cannot be displayed on the multi-display screen due to copyright restrictions | - | |
Check using another "Miracast" supported device | - | |
Radio receiver assembly | ||
Block noise is visible on the "Miracast" screen/Noise distortion in the audio output. | Turn off other Bluetooth and "Wi-Fi" devices | - |
Check after setting "Bluetooth" automatic connection setting to off in the multi-display settings (When Bluetooth, "Wi-Fi" and "Miracast" are connected simultaneously, noise distortion may occur due to radio interference (2.4 GHz band radio wave congestion etc.)) | - | |
Check after setting "Wi-Fi" automatic connection setting to off in the network settings (When "Wi-Fi" and "Miracast" are connected simultaneously, noise distortion may occur due to radio interference (2.4 GHz band radio wave congestion etc.)) | - | |
Move to an area with less radio disturbance | - | |
Check using another "Miracast" supported device | - | |
Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
"Wi-Fi" connection cannot be established. | Proceed to "Cannot Establish Wi-Fi Connection" |
Symptom | Suspected Area | Link |
---|---|---|
USB sound cannot be heard or sound quality is bad. (USB connector is used.) | Proceed to "Data Signal Circuit between Radio Receiver Assembly and Stereo Jack Adapter" | |
No. 1 stereo jack adapter assembly | ||
Radio receiver assembly | ||
USB device or "iPod" is not recognized. | Check that the designated folder name is used | - |
Check that the file name is 32 characters or less and is in an available language | - | |
Check that the file system of the USB device is FAT16 or FAT32 | - | |
Proceed to "USB Audio System Recognition/Play Error" | ||
No. 1 stereo jack adapter assembly | ||
Radio receiver assembly | ||
Track information, such as track, artist and album name, is not displayed. | Proceed to "USB Audio System Recognition/Play Error" | |
No. 1 stereo jack adapter assembly | ||
Radio receiver assembly | ||
USB device or "iPod" is recognized but cannot play nor play in a sorted order. | Proceed to "USB Audio System Recognition/Play Error" | |
No. 1 stereo jack adapter assembly | ||
Radio receiver assembly | ||
Album cover art cannot be displayed. | Check that Display Cover Art on the USB device or "iPod" settings screen is set to on | - |
Check that a JPEG file is used for the album cover art registered to the music data in the "iPod" | - | |
Check if similar symptoms occur with another vehicle | - | |
If an indication to update the Gracenote database appears on the album cover art screen and update data has been downloaded to the radio receiver assembly, update the Gracenote database to the latest version | - | |
Radio receiver assembly | ||
User set album cover art cannot be displayed. | Check if the priority display of Gracenote database album cover art setting is off | - |
Check that a JPEG file is used for the album cover art registered to the music data on the USB device or "iPod" | - | |
Radio receiver assembly | ||
"iPod" battery cannot be charged. | Proceed to "USB Audio System Recognition/Play Error" | |
No. 1 stereo jack adapter assembly | ||
Radio receiver assembly | ||
Screen is distorted or not displayed only when using the video function of USB device. | Check if the appropriate image signal setting (NTSC/PAL) is selected | - |
Check if the video sound input is set to "A/V" | - | |
No. 1 stereo jack adapter assembly | ||
Radio receiver assembly | ||
Screen color is poor only when watching video stored on USB device. | Change the color settings on the screen adjustment screen | - |
Proceed to "Data Signal Circuit between Radio Receiver Assembly and Stereo Jack Adapter" | ||
No. 1 stereo jack adapter assembly | ||
Radio receiver assembly | ||
"IF-BOX_USB" is not displayed on system check mode screen. | Proceed to "USB Audio System Recognition/Play Error" | |
No. 1 stereo jack adapter assembly | ||
Radio receiver assembly | ||
Stereo jack adapter light does not illuminate. | Proceed to "Stereo Jack Adapter Light does not Illuminate" |
Symptom | Suspected Area | Link |
---|---|---|
External device sound cannot be heard or sound quality is bad. (when No. 1 stereo jack adapter assembly is used.) | Proceed to "Sound Signal Circuit between Radio Receiver Assembly and Stereo Jack Adapter" | |
No. 1 stereo jack adapter assembly | ||
Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
Smartphone linked function does not operate. | Check if the smartphone linked function setting is on | - |
Proceed to "Cellular Phone Inspection" | ||
Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
"The software update cannot be started because the media is in use. Please try again when the media is no longer in use." is displayed. | Perform the operation again after ending when music is played with USB-Audio | - |
Replace USB memory device | - | |
If there is software update data for the navigation but the software update cannot be performed, replace the navigation ECU | ||
If there is software update data for the audio system but the software update cannot be performed, replace the radio receiver assembly | ||
"Unable to update the software. Please try again later." is displayed. | There may be times that the software update cannot be performed due to communication device or media is still preparing, such as trying to perform the software update right after the navigation system has started up, so perform the operation after a while | - |
Make inquiry to the center whether there is any problem with the download software | - | |
If there is software update data for the navigation but the software update cannot be performed, replace the navigation ECU | ||
If there is software update data for the audio system but the software update cannot be performed, replace the radio receiver assembly | ||
"There is no new software or the media is not inserted." is displayed. | Check that the USB memory device with new software stored is connected to the USB terminal | - |
Check the model ID on the software update screen and check that it is same as the file name of the software downloaded | - | |
Download the software using a PC again, copy it to a USB memory device, and perform software update | - | |
Make inquiry to the center whether there is any problem with the download software | - | |
If there is software update data for the navigation but the software update cannot be performed, replace the navigation ECU | ||
If there is software update data for the audio system but the software update cannot be performed, replace the radio receiver assembly | ||
"There is a problem with the downloaded data. Please try again later." is displayed. | Make inquiry to the center whether there is any problem with the download software | - |
Perform the software update using the USB memory device again | - | |
If there is software update data for the navigation but the software update cannot be performed, replace the navigation ECU | ||
If there is software update data for the audio system but the software update cannot be performed, replace the radio receiver assembly | ||
"New software is not compatible with the system." is displayed. | Make inquiry to the center whether there is any problem with the download software | - |
Download the software using a PC again, copy it to a USB memory device, and perform software update | - | |
If there is software update data for the navigation but the software update cannot be performed, replace the navigation ECU | ||
If there is software update data for the audio system but the software update cannot be performed, replace the radio receiver assembly | ||
"The combination of update files is abnormal. Please download it again" or similar is displayed. | Make inquiry to the center whether there is any problem with the download software | - |
If there is software update data for the navigation but the software update cannot be performed, replace the navigation ECU | ||
If there is software update data for the audio system but the software update cannot be performed, replace the radio receiver assembly | ||
"New software is not compatible with the system. Contact your dealer." is displayed. | Perform the software update using the communication | - |
Perform the software update using the USB memory device | - | |
"Software could not be updated. Please contact your dealer." is displayed. | Make inquiry to the center whether the model ID checked on the software update screen and the model ID sent from the device are same | - |
Make inquiry to the center whether there is any problem with the download software | - | |
Make inquiry to the center whether there is any problem with the send log to the device | - | |
Perform the software update using the USB memory device again | - | |
If there is software update data for the navigation but the software update cannot be performed, replace the navigation ECU | ||
If there is software update data for the audio system but the software update cannot be performed, replace the radio receiver assembly | ||
"There is insufficient free space. Please contact your dealer." is displayed. | If there is software update data for the navigation but the software update cannot be performed, replace the navigation ECU | |
If there is software update data for the audio system but the software update cannot be performed, replace the radio receiver assembly | ||
The software update could not be performed using the USB memory device. | Follow the instruction when an on-screen message is displayed | - |
Check that "Perform software update" is displayed and check that the USB memory device with new software stored is connected to the USB connector | - | |
Explain to the customer that the last software update is downloading when "New software is downloading" is displayed | - | |
Explain to the customer that the last software update is installing when "New software is installing" is displayed | - | |
Perform the software update using the USB memory device again | - | |
If there is software update data for the navigation but the software update cannot be performed, replace the navigation ECU | ||
If there is software update data for the audio system but the software update cannot be performed, replace the radio receiver assembly | ||
Version display of the software update screen or the display of the update information screen is abnormal. | Make inquiry to the center whether there is any problem with the download software | - |
Perform the software update using the USB memory device again | - | |
If the version display of the navigation is abnormal, replace the navigation ECU | ||
If the version display of the audio is abnormal, replace the radio receiver assembly | ||
Date of the update information is not displayed. | The date of update information is not displayed when GPS is not received, therefore check that the "No GPS Signal" mark is not displayed | - |
Since the date may not be recorded when the software update is performed without receiving the GPS, check with the customer if the software update is not performed in location where the GPS reception was poor, such as underground parking lot | - | |
Wait and see until next software update | - | |
Past software update history is cleared. | Explain to the customer that the history is cleared in the order from oldest when there are 20 or more history recorded | - |
Wait and see until the next software update and replace the navigation ECU if the symptom reproduces |
Symptom | Suspected Area | Link |
---|---|---|
Connection to search engine fails. | Proceed to "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 | - | |
Check if similar symptoms occur with another vehicle | - | |
Navigation ECU | ||
Radio receiver assembly | ||
POIs are not displayed on list (when using a USB device). | Check if POIs are stored in USB device root folders | - |
Check that POIs with extension ".poi" are stored in the USB device | - | |
Check that 256 characters (ASCII) 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 | - | |
Navigation ECU | ||
Radio receiver assembly | ||
POIs cannot be registered to 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 | - | |
Navigation ECU | ||
Radio receiver assembly | ||
Panoramio photos or Google Street View cannot be displayed on map even though map scale is changed. | Check if Panoramio photos or Google Street View can be displayed at a different point | - |
Navigation ECU | ||
Radio receiver assembly | ||
Google street view "Next" or "Previous" switches cannot be selected. | Wait for 90 seconds and check if the switches can be selected | - |
Navigation ECU | ||
Radio receiver assembly | ||
TPEG information (traffic/parking) is not displayed on navigation screen. | After turning the engine switch from off to on (ACC), check if TPEG information (traffic/ parking) is displayed | - |
Check that the reception setting is set to a position other than off. If the symptom occurs in the roaming area, check the roaming reception setting. | - | |
Check that the traffic information setting is "Show traffic info" | - | |
Check that the parking information setting is "Show parking icon" | - | |
Check if similar symptoms occur with another vehicle | - | |
Navigation ECU | ||
Radio receiver assembly | ||
TPEG information (traffic/parking) cannot be received automatically. | Check that the reception setting is set to auto. If the symptom occurs in the roaming area, check the roaming reception setting. | - |
Change the reception setting to auto and wait for 10 minutes with the navigation screen on. If an error code or error message is displayed, perform the inspection according to the displayed error code or error message. | - | |
Navigation ECU | ||
Radio receiver assembly | ||
TPEG information (traffic/parking) cannot be received manually. | Check that the reception setting is set to auto. If the symptom occurs in the roaming area, check the roaming reception setting. | - |
Change the reception setting to auto and wait for 10 minutes with the navigation screen on. If an error code or error message is displayed, perform the inspection according to the displayed error code or error message. | - | |
Navigation ECU | ||
Radio receiver assembly | ||
Detour search using TPEG information does not operate. | Check that "Show traffic info" is set to "On" | - |
Check that "Avoid traffic events" is set to "Auto" or "Manual" | - | |
Check that "Consider predictive traffic events" is set to "On" | - | |
Navigation ECU | ||
Radio receiver assembly |
Symptom | Suspected Area | Link |
---|---|---|
Information is not displayed or updated on the "Trip Information" screen. | Turn engine switch on (IG) and recheck | - |
Check that the SFI system is operating normally | ||
Navigation ECU | ||
Cruise range is not displayed on the "Trip Information" screen. | Turn engine switch on (IG) and recheck | - |
Navigation ECU | ||
Information is not displayed or updated on the "History" screen. | Turn engine switch on (IG) and recheck | - |
Check that the meter/gauge system is operating normally | ||
Navigation ECU | ||
"Fuel Consumption" icon is dimmed. | Check if other icons or items displayed on screen have any problems | - |
Navigation ECU | ||
Graph is not displayed on "Trip Information" screen. | Check that the SFI system is operating normally | |
Navigation ECU | ||
Cruise range is not displayed on "Trip Information" screen. | Turn engine switch on (IG) and recheck | - |
Navigation ECU | ||
Graph is not updated on "History" screen even though "Clear" is selected. | Turn engine switch on (IG) and recheck | - |
Navigation ECU | ||
Graph is not displayed on "History" screen. | Turn engine switch on (IG) and recheck | - |
Navigation ECU |
Symptom | Suspected Area | Link |
---|---|---|
Enform App Suite function error message is displayed on the screen. | Follow on screen instructions | - |
Proceed to "Confirm Cellular Phone Functionality" | ||
Proceed to "Confirm Vehicle Headunit Functionality" | ||
Proceed to "ENFORM RESET PROCEDURE" in Operation Check | ||
Radio receiver assembly | ||
Enform App Suite and services are not operating as expected. | Proceed to "Confirm Cellular Phone Functionality" | |
Proceed to "Confirm Vehicle Headunit Functionality" | ||
Proceed to "ENFORM RESET PROCEDURE" in Operation Check | ||
Radio receiver assembly | ||
Poor sound quality of Enform App Suite function. | Confirm that cellular phone handset volume is turned up | - |
Confirm that adequate signal is maintained during driving | - | |
Proceed to "Confirm Cellular Phone Functionality" | ||
Proceed to "Confirm Vehicle Headunit Functionality" | ||
Proceed to "ENFORM RESET PROCEDURE" in Operation Check | ||
Radio receiver assembly | ||
The Enform App Suite app (Infotainment Apps) cannot be installed on the head unit. | Proceed to "Confirm Cellular Phone Functionality" | |
Proceed to "Confirm Vehicle Headunit Functionality" | ||
Proceed to "ENFORM RESET PROCEDURE" in Operation Check | ||
Radio receiver assembly | ||
The Enform App Suite app (Infotainment Apps) cannot be updated. | Proceed to "Confirm Cellular Phone Functionality" | |
Proceed to "Confirm Vehicle Headunit Functionality" | ||
Proceed to "ENFORM RESET PROCEDURE" in Operation Check | ||
Radio receiver assembly | ||
The Enform App Suit Function does not operate in Enhanced Mode even with a USB connection. | Check that the application being used supports Enhanced Mode | |
Check that it operates normally when another USB device is connected to the No. 1 stereo jack adapter assembly | - | |
Radio receiver assembly |