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 |
|---|---|---|
| Pressing power switch does not turn on system | Proceed to "Radio Receiver Power Source Circuit" | |
| Radio receiver assembly | ||
| Black screen (no image appears on the screen) | Proceed to "Black Screen" | |
| Proceed to "Visual Mute Signal Circuit between Radio Receiver and Multi-display" | ||
| Proceed to "Check Software Error History" in Operation Check | ||
| 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" | |
| Proceed to "Illumination Circuit" | ||
| Radio receiver assembly | ||
| Power does not turn off (screen remains on) | Proceed to "Radio Receiver Power Source Circuit" | |
| Multi-display assembly | ||
| Radio receiver assembly | ||
| Screen is distorted | Proceed to "Radio Receiver Power Source Circuit" | |
| Proceed to "Visual Mute Signal Circuit between Radio Receiver and 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 and Multi-display" | ||
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio receiver assembly | ||
| Parking brake switch signal does not change in vehicle signal check mode | Proceed to "Parking Brake Switch Circuit" | |
| Radio receiver assembly | ||
| Reverse signal does not change in vehicle signal check mode | Check shift indicator display on combination meter assembly | - |
| Radio receiver assembly | Click here |
| Symptom | Suspected Area | Link |
|---|---|---|
| No sound can be heard from speakers | Proceed to "No Sound can be Heard from Speakers" | |
| Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"*1 | ||
| Proceed to "Speaker Circuit" | ||
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"*1 | ||
| Stereo component amplifier assembly*1 | ||
| Radio receiver assembly | ||
| Abnormal noise occurs | Proceed to "Noise Occurs" | |
| Stereo component amplifier assembly*1 | ||
| 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 Radio Receiver and Stereo Component Amplifier"*1 | ||
| Proceed to "Speaker Circuit" | ||
| Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier"*1 | ||
| Stereo component amplifier assembly*1 | ||
| 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"*1 | ||
| Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"*2 | ||
| Stereo component amplifier assembly*1 | ||
| Radio receiver assembly | ||
| Voice guidance does not function | Proceed to "Voice Guidance does not Function" | |
| Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier"*1 | ||
| Proceed to "Speaker Circuit" | ||
| Proceed to "Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier"*1 | ||
| Stereo component amplifier assembly*1 | ||
| Radio receiver assembly |
*1: for 8 Speakers
*2: for 6 Speakers
| 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" | |
| Proceed to "Illumination Circuit" | ||
| Radio receiver assembly | ||
| Panel switches do not function | Proceed to "Panel Switches do not Function" | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio receiver assembly | ||
| Radio receiver assembly does not dim at night | Proceed to "Dimmer Signal Circuit" | |
| Radio receiver assembly |
| 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 |
|---|---|---|
| Switch lights of remote operation board do not illuminate | Proceed to "Switch Lights of Remote Touch do not Illuminate" | |
| Switch operation of remote operation board is not accepted | Proceed to "Switch Operation of Remote Touch not Accepted" |
| 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 | Operate the volume switch and turn up the volume level | - |
| 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 | ||
| Antenna cord sub-assembly | ||
| No. 2 antenna cord sub-assembly | ||
| No. 5 antenna cord sub-assembly | ||
| Digital audio broadcasting antenna assembly | ||
| 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 |
|---|---|---|
| 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 set (parking brake switch is on)*1 | Proceed to "Parking Brake Switch Circuit" | |
| Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter" | ||
| Radio receiver assembly | ||
| Screen color is poor only when watching a VCD or DVD*1 | Change the color settings on the screen adjustment screen | - |
| Replace the disc with a known good one and check that the malfunction disappears | - | |
| Radio receiver assembly | ||
| Play back control does not function*2 | 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 | ||
| Sound quality is bad only when disc is played (volume is too low) | Change the sound settings on the adjustment screen | - |
| 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)" | ||
| Album cover art cannot be displayed*3 | 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 |
*1: w/ VCD or DVD Player
*2: w/ VCD Player
*3: w/ Gracenote media database
| 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 Radio Receiver and Stereo Jack Adapter" | |
| No. 1 stereo jack adapter assembly | ||
| Radio receiver assembly | ||
| "AUX/VTR" is not displayed on system check mode screen | Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter" | |
| No. 1 stereo jack adapter assembly | ||
| Radio receiver assembly | ||
| Screen is distorted or not displayed only when using the device connected to the No. 1 stereo jack adapter assembly | Check if the appropriate image signal setting (NTSC/PAL) is selected | - |
| Connect a known good device to the No. 1 stereo jack adapter assembly and check if the image is output | - | |
| Connect using a known good cable and check if the image is output | - | |
| Proceed to "Display Signal Circuit between Radio Receiver and Stereo Jack Adapter" | ||
| 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 |
|---|---|---|
| USB audio system sound cannot be heard or sound quality is bad (USB connector is used) | Proceed to "Data Signal Circuit between Radio Receiver and Stereo Jack Adapter" | |
| No. 1 stereo jack adapter assembly | ||
| Radio receiver assembly | ||
| USB device or "iPod" is not recognized | 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 names 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 or 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*1 | Check that display cover art on the USB device or "iPod" 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 | ||
| User set album cover art cannot be displayed | Check if the priority display of Gracenote database album cover art setting is off*1 | - |
| Check that a JPEG file is used for the album cover art registered to the music data in the USB device*1 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 an "iPod" | Check if "iPod" is set to output images | - |
| 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 Radio Receiver 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" |
*1: w/ Gracenote media database
| Symptom | Suspected Area | Link |
|---|---|---|
| Screen cannot be changed to UIC setting screen | Radio 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" | ||
| No. 1 stereo jack adapter assembly | ||
| Radio 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" | ||
| No. 1 stereo jack adapter assembly | ||
| Radio 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 5 MB or less | - | |
| 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 | ||
| 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 | - |
| Set the opening image or screen off image again | - | |
| Radio receiver assembly | ||
| Stored image cannot be deleted | Radio receiver assembly | |
| Message indicating that USB device cannot be accessed is displayed | Check that the USB device has not been disconnected while the audio and visual system is recognizing it | - |
| Proceed to "USB Audio System Recognition/Play Error" | ||
| No. 1 stereo jack adapter assembly | ||
| Radio 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 | - |
| Set the opening image or screen off image again | - | |
| Radio 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 | - |
| Radio receiver assembly |
| Symptom | Suspected Area | Link |
|---|---|---|
| Voice menu screen is not displayed (voice recognition function does not turn on) | Check if the voice recognition prompts function is on | - |
| Proceed to "Panel Switches do not Function" | ||
| Proceed to "Steering Pad Switch Circuit" | ||
| Radio receiver assembly | ||
| When voice recognition switch is pressed, a short beep is emitted but voice cannot be recognized properly | Proceed to "Voice is not Recognized" | |
| Proceed to "Microphone Circuit between Microphone and Radio Receiver" | ||
| Radio receiver assembly |
| Symptom | Suspected Area | Link |
|---|---|---|
| "Bluetooth" is inoperative (In-vehicle device cannot be recognized by the cellular phone) | Proceed to "Cellular Phone Inspection" | |
| 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 power 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 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" | ||
| Radio receiver assembly | ||
| Phonebook data is cleared | Radio receiver assembly | |
| Phonebook data cannot be edited | Check that the phonebook data automatic transfer setting of the in-vehicle device is off | - |
| Radio receiver assembly | ||
| All the transferred phonebook data is sorted to "Other" | Check that no applications on the cellular phone are running | - |
| 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 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) | - | |
| Proceed to "Check Hands-free Voice Quality Setting" in Operation Check | ||
| Proceed to "Cellular Phone Inspection" | ||
| Proceed to "Microphone Circuit between Microphone and Radio Receiver" | ||
| 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) | - | |
| Proceed to "Check Hands-free Voice Quality Setting" in Operation Check | ||
| Proceed to "Cellular Phone Inspection" | ||
| Proceed to "Microphone Circuit between Microphone and Radio Receiver" | ||
| Radio receiver assembly | ||
| "Bluetooth" can be connected while driving | Proceed to "Parking Brake Switch Circuit" | |
| Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter" | ||
| Radio receiver assembly | ||
| No notification when a new SMS/MMS/e-mail has been received*1 | 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*1 | 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*1 | 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 |
*1: w/ Message 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 | 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 and random are not displayed | Proceed to "Check Hands-free Voice Quality and Volume Setting" in Operation Check | |
| 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 | 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 | 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 |
|---|---|---|
| Smartphone battery cannot be charged | Proceed to "USB Audio System Recognition/Play Error" | |
| No. 1 stereo jack adapter assembly | ||
| Radio receiver assembly | ||
| MirrorLink function cannot be started | Check that "MirrorLink" is not illuminated on the information screen of the multi-display assembly | - |
| Check that a MirrorLink compatible smartphone is used | - | |
| Check that a MirrorLink compatible application is used | - | |
| With the application on the smartphone running, connect the smartphone to the radio receiver assembly and check if the MirrorLink function can be started | - | |
| Contact the smartphone service provider or manufacturer | - | |
| Check that a USB device or "iPod" operates normally | - | |
| Radio receiver assembly | ||
| Image is not displayed | Check that the screen is not set to off | - |
| If the MirrorLink compatible application cannot be operated normally, restart the MirrorLink compatible smartphone | - | |
| Check that a MirrorLink compatible application is used*1 | - | |
| Park the vehicle and check that an image is displayed again | - | |
| Check that a USB device or "iPod" operates normally | - | |
| Radio receiver assembly | ||
| Sound cannot be heard | If the MirrorLink compatible application cannot be operated normally, restart the MirrorLink compatible smartphone | - |
| Operate the MirrorLink compatible smartphone and check its volume setting | - | |
| Check that a USB device or "iPod" operates normally | - | |
| Check that sound can be heard when a mode other than MirrorLink is selected | - | |
| Radio receiver assembly | ||
| MirrorLink is inoperative | If the MirrorLink compatible application cannot be operated normally, restart the MirrorLink compatible smartphone | - |
| Park the vehicle and check that the MirrorLink compatible application can be operated again | - | |
| Operate the LEXUS display audio controller and check if the cursor is displayed on the multi-display assembly screen | - | |
| Check that a USB device or "iPod" operates normally | - | |
| Check that modes other than MirrorLink can be operated | - | |
| Radio receiver assembly | ||
| MirrorLink compatible smartphones cannot be switched between each other (when 2 MirrorLink compatible smartphones are connected to radio receiver assembly) | Check that both smartphones are MirrorLink compatible | - |
| Check that both applications are MirrorLink compatible | - | |
| Connect a MirrorLink compatible smartphone to the radio receiver assembly and check if the MirrorLink function can be started | - | |
| Radio receiver assembly |
*1: Some applications have a display restriction in consideration of safe driving.
| Symptom | Suspected Area | Link |
|---|---|---|
| An Enform 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 apps 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 | ||
| Enform voice recognition is not possible (voice recognition on the audio and visual system is normal) | 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 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 |
| Symptom | Suspected Area | Link |
|---|---|---|
| Graph is not displayed on "Trip Information" screen | Recheck with the hybrid system operating | - |
| Radio receiver assembly | ||
| Cruise range is not displayed on "Trip Information" screen | Turn the power switch on (IG) and recheck | - |
| Radio receiver assembly | ||
| Graph is not updated on "Past record" screen even though "Clear" is selected | Turn the power switch on (IG) and recheck | - |
| Radio receiver assembly | ||
| Graph is not displayed on "Past record" screen | Turn the power switch on (IG) and recheck | - |
| Radio receiver assembly |