AUDIO AND VISUAL SYSTEM (for Radio and Display Type) PROBLEM SYMPTOMS TABLE
Tech Tips
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Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
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Some applications cannot be operated and may not display images while the vehicle is moving.
| Symptom | Suspected Area | See page |
|---|---|---|
| Pressing power switch does not turn on system | Proceed to "Pressing Power Switch does not Turn on System" | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio and display receiver assembly | ||
| Black screen (no image appears on the screen) | Proceed to "Black Screen" | |
| Proceed to "Illumination Circuit" | ||
| Radio and display 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 and display receiver assembly | ||
| Power does not turn off (screen remains on) | Proceed to "Radio Receiver Power Source Circuit" | |
| Radio and display receiver assembly | ||
| Screen is distorted | Proceed to "Radio Receiver Power Source Circuit" | |
| Radio and display receiver assembly | ||
| Screen flicker or color distortion | Proceed to "Screen Flicker or Color Distortion" | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio and display receiver assembly | ||
| Parking brake signal does not change in vehicle signal check mode | Proceed to "Parking Brake Switch Circuit" | |
| Radio and display receiver assembly | ||
| Reverse signal does not change in vehicle signal check mode | Proceed to "Reverse Signal Circuit" | |
| Radio and display receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| No sound can be heard from speakers (audio is mute) | Proceed to "No Sound can be Heard from Speakers" | |
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Proceed to "Speaker Circuit" | ||
| Radio and display receiver assembly | ||
| Abnormal noise occurs | Proceed to "Noise Occurs" | |
| Radio and display 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 "Speaker Circuit" | ||
| Radio and display receiver assembly | ||
| ASL does not function | Check that the ASL function is off | - |
| Proceed to "Speed Signal Circuit" |
| Symptom | Suspected Area | See page |
|---|---|---|
| Illumination for panel switch 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 and display receiver assembly | ||
| Panel switches do not function | Proceed to "Panel Switches do not Function" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio and display receiver assembly | ||
| Touch panel switch does not function | Proceed to "Touch Panel Switch does not Function" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Proceed to "Radio Receiver Power Source Circuit" | ||
| Radio and display receiver assembly | ||
| Radio and display receiver assembly does not dim at night | Proceed to "Illumination Circuit" | |
| Radio and display receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| System cannot be operated by steering pad switch | Proceed to "Panel Switches do not Function" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Radio and display receiver assembly | ||
| Illumination for steering pad switch does not come on with tail switch on | Proceed to "Illumination Circuit" | |
| Radio and display receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Radio broadcast cannot be received or poor reception | Proceed to "Radio Broadcast cannot be Received (Bad Reception)" | |
| Radio broadcast can be received but radio station cannot be displayed (some radio stations do not provide their name information) | Radio and display 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 and display receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| 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 | |
| Radio and display receiver assembly | ||
| Disc cannot be inserted/played or disc is ejected right after insertion | Proceed to "CD cannot be Inserted or is Ejected Right After Insertion" | |
| Disc cannot be ejected | Proceed to "CD cannot be Ejected" | |
| Disc sound skips | Proceed to "CD Sound Skips" | |
| While vehicle is stopped, DVD cannot be viewed even when parking brake is set (parking brake switch is on) | Proceed to "Parking Brake Switch Circuit" | |
| Proceed to "Speed Signal Circuit" | ||
| Radio and display receiver assembly | ||
| Screen color is poor only when watching a DVD | Change the color settings on the screen adjustment screen | - |
| Replace the disc with a known good one and check that the malfunction disappears | - | |
| Radio and display receiver assembly | ||
| Play back control does not function | Check if similar symptoms occur with another vehicle | - |
| Check that the DVD standard is Ver. 2.0 or higher | - | |
| Replace the DVD with a known good one and check that the malfunction disappears | - | |
| Radio and display 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 "Sound Quality is Bad Only when CD is Played (Volume is Too Low)" |
| Symptom | Suspected Area | See page |
|---|---|---|
| External device sound cannot be heard or sound quality is bad (stereo jack is used) | Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter" | |
| No. 1 stereo jack adapter assembly | ||
| Radio and display 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 and display 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 and display receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| USB audio system sound cannot be heard or sound quality is bad (USB connector is used) | Proceed to "Data Signal Circuit between Radio Receiver and Stereo Jack Adapter" | |
| No. 1 stereo jack adapter assembly | ||
| Radio and display receiver assembly | ||
| USB device or "iPod" is not recognized | Proceed to "USB Audio System Recognition/Play Error" | |
| No. 1 stereo jack adapter assembly | ||
| Radio and display 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 and display receiver assembly | ||
| 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" | |
| No. 1 stereo jack adapter assembly | ||
| Radio and display 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 if similar symptoms occur with another vehicle | - | |
| Radio and display receiver assembly | ||
| 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" | - |
| Radio and display receiver assembly | ||
| "iPod" battery cannot be charged | Proceed to "USB Audio System Recognition/Play Error" | |
| No. 1 stereo jack adapter assembly | ||
| Radio and display 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 | - |
| Proceed to "USB Audio System Outline" in System Description and check if the "iPod" is compatible with the radio and display receiver assembly | ||
| 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 and display receiver assembly | ||
| 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 | |
| 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 | ||
| Radio and display receiver assembly | ||
| 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 | |
| Check if any video files on the connected USB device can be played in another vehicle | - | |
| No. 1 stereo jack adapter assembly | ||
| Radio and display receiver assembly | ||
| 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 | ||
| 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 | ||
| Radio and display receiver assembly | ||
| 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 | ||
| Radio and display receiver assembly | ||
| 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 | ||
| Radio and display receiver assembly | ||
| Cannot change USB-Video settings | Check if the USB-Video screen is displayed while the vehicle is stopped | - |
| Refer to "USB-Video cannot play" above | - |
| Symptom | Suspected Area | See page |
|---|---|---|
| "Bluetooth" is inoperative (In-vehicle device cannot be recognized by the cellular phone) | Proceed to "Cellular Phone Inspection" | |
| Radio and display 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 and display 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 and display 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 and display 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 and display receiver assembly | ||
| When the ignition switch is turned to ACC, instructions for checking the connection condition between the invehicle 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 and display receiver assembly | ||
| Phonebook data is cleared | Radio and display receiver assembly | |
| Phonebook data cannot be edited | Check that the phonebook data automatic transfer setting of the in-vehicle device is off | - |
| Radio and display 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" | - | |
| 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 and display 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 and display 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 and display 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 and display 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 and display receiver assembly | ||
| "Bluetooth" can be connected while driving | Proceed to "Parking Brake Switch Circuit" | |
| Proceed to "Speed Signal Circuit" | ||
| Radio and display receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Portable player cannot be registered | Proceed to "Portable Player cannot be Registered" | |
| Radio and display 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 and display 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 and display 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 and display 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 and display receiver assembly | ||
| Portable player does not play | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
| Radio and display receiver assembly | ||
| Track information such as track number, track name and elapsed play time 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 and display 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 and display 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 and display 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 and display receiver assembly | ||
| Portable player cannot pause, select file, fast forward, fast rewind, random play or scan | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
| Radio and display receiver assembly | ||
| Noise occurs or sound skips when portable player play | Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" | |
| Radio and display receiver assembly | ||
| Registered device cannot be deleted | Proceed to "Registered Device cannot be Deleted" | |
| Radio and display receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Screen cannot be changed to UIC setting screen | Radio and display 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 and display 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 and display receiver assembly | ||
| Image data in USB device cannot be displayed | Check that the designated folder name is used | - |
| Check that the file extension of the data is JPG or JPEG | - | |
| Check that the file name is 32 characters or less and available language is used | - | |
| Check that the image data size is 10 MB or less | - | |
| Check that the 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" | ||
| No. 1 stereo jack adapter assembly | ||
| Radio and display receiver assembly | ||
| Set opening image or screen off image is not displayed | Check if it is the first start-up after disconnecting and reconnecting the +B terminal (reading from the SD card may be slow when the system is first starting-up) | - |
| Set the opening image or screen off image again | - | |
| Radio and display receiver assembly | ||
| Stored image cannot be deleted | Radio and display 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 and display receiver assembly | ||
| Thumbnail images for opening image or screen off image are not displayed on setting screen | Check if it is the first start-up after disconnecting and reconnecting the +B terminal (reading from the SD card may be slow when the system is first starting-up) | - |
| Set the opening image or screen off image again | - | |
| Radio and display 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 and display receiver assembly |