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 | See page |
|---|---|---|
| Black screen (no image appears on the navigation/audio screen) | Proceed to "Black Screen" | |
| Proceed to "Check Software Error History" in Operation Check | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Display does not dim when the tail switch is turned on | Proceed to "Display does not Dim when Light Control Switch is Turned ON" | |
| Proceed to "Illumination Circuit" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Power does not turn off (screen remains on) | Proceed to "Navigation Receiver Assembly Power Source Circuit" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Screen is distorted | Proceed to "Navigation Receiver Assembly Power Source Circuit" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Screen flicker or color distortion | Proceed to "Screen Flicker or Color Distortion" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
| Symptom | Suspected Area | See page |
|---|---|---|
| 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" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Panel switches do not function | Proceed to "Panel Switches do not Function" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Touch panel switch does not function | Proceed to "Touch Panel Switch does not Function" | |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Navigation function switches can be operated while vehicle being driven | Proceed to "Parking Brake Switch Circuit" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
| 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" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Illumination for steering pad switch does not come on with tail switch on | Proceed to "Illumination Circuit" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
| Symptom | Suspected Area | See page |
|---|---|---|
| GPS mark is not displayed | Proceed to "GPS Mark is not Displayed" | |
| Navigation antenna assembly (for TMMK Made) | ||
| Navigation antenna assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Date and time on navigation screen are different from actual date and time | Proceed to "GPS Mark is not Displayed" | |
| Navigation antenna assembly (for TMMK Made) | ||
| Navigation antenna assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Vehicle position mark deviates from correct position and does not return to correct position | Proceed to "GPS Mark is not Displayed" | |
| Navigation antenna assembly (for TMMK Made) | ||
| Navigation antenna assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Cursor or map rotates when vehicle is stopped | Proceed to "Cursor or Map Rotates when Vehicle Stopped" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Vehicle position mark moves in the opposite direction to the vehicle | Proceed to "Cursor or Map Rotates when Vehicle Stopped" | |
| Proceed to "Reverse Signal Circuit" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Vehicle position mark deviates from and returns to correct position repeatedly even though GPS mark is displayed | Proceed to "GPS Mark is not Displayed" | |
| Drive the vehicle for sensor learning (at a place where GPS signals can be received, drive the vehicle clockwise and counterclockwise in at least a 200 meter square 2 times or more) | - | |
| Navigation antenna assembly (for TMMK Made) | ||
| Navigation antenna assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Vehicle position mark moves slow or fast | Proceed to "GPS Mark is not Displayed" | |
| Navigation antenna assembly (for TMMK Made) | ||
| Navigation antenna assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Voice guidance does not function | Proceed to "Voice Guidance does not Function" | |
| Proceed to "Mute Signal Circuit between Navigation Receiver Assembly and Stereo Component Amplifier"* | ||
| Proceed to "Navigation Voice Circuit"* | ||
| Proceed to "Speaker Circuit" | ||
| Stereo component amplifier assembly* | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Map display is incomplete | SD card (disc player disc) | - |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Route cannot be calculated | Proceed to "Route cannot be Calculated" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Navigation system cannot record memory point registration or each item setting | Navigation receiver assembly (for TMMK Made) | |
| Navigation receiver assembly (for TMC Made) | ||
| A message indicating to wait for a while because of low temperature is displayed | Start the engine and increase cabin temperature (near navigation receiver assembly) | - |
| SD card (disc player disc) | - | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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 | - |
| SD card (disc player disc) | - | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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) | - |
| SD card (disc player disc) | - | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Customize parameters cannot be changed (customize parameters can be changed by using the GTS) | Navigation receiver assembly (for TMMK Made) | |
| Navigation receiver assembly (for TMC Made) | ||
| Reverse signal does not change in vehicle signal check mode | Proceed to "Reverse Signal Circuit" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Parking brake switch signal does not change in vehicle signal check mode | Proceed to "Parking Brake Switch Circuit" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
*: for TMMK Made
| Symptom | Suspected Area | See page |
|---|---|---|
| Pressing power switch does not turn on system | Proceed to "Navigation Receiver Assembly Power Source Circuit" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| No sound can be heard from speakers | Proceed to "No Sound can be Heard from Speakers" | |
| Proceed to "Mute Signal Circuit between Navigation Receiver Assembly and Stereo Component Amplifier"* | ||
| Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Component Amplifier"* | ||
| Proceed to "Speaker Circuit" | ||
| Stereo component amplifier assembly* | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Abnormal noise occurs | Proceed to "Noise Occurs" | |
| Stereo component amplifier assembly* | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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 Navigation Receiver Assembly and Stereo Component Amplifier"* | ||
| Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Component Amplifier"* | ||
| Proceed to "Speaker Circuit" | ||
| Stereo component amplifier assembly* | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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* | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
*: for TMMK Made
| Symptom | Suspected Area | See page |
|---|---|---|
| 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) | Navigation receiver assembly (for TMMK Made) | |
| Navigation receiver assembly (for TMC Made) | ||
| Radio broadcast can be displayed but radio broadcast cannot be heard from speakers | Check the volume settings | - |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
| Symptom | Suspected Area | See page |
|---|---|---|
| While vehicle is stopped, digital TV image is not displayed | Proceed to "Parking Brake Switch Circuit" | |
| Check that the parental lock is unlocked | - | |
| Check if similar symptoms occur with another vehicle | - | |
| Proceed to "TV Screen is Distorted" | ||
| Image stops, noise occurs, or screen color is distorted only when watching digital TV | Check the settings of the display quality adjustment screen (check that each setting is centered) |
- |
| Check if similar symptoms occur with another broadcast | - | |
| Proceed to "TV Screen is Distorted" | ||
| Sound cannot be heard, sound quality is poor or sound is interrupted only when watching digital TV | Check the settings of the sound quality adjustment screen (check that each setting is centered) |
- |
| Check if similar symptoms occur with another broadcast | - | |
| Proceed to "TV Screen is Distorted" | ||
| Channels cannot be set (broadcast stations cannot be found by scanning) | Move the vehicle to a place where the reception sensitivity is good and check again | - |
| Proceed to "TV Screen is Distorted" | ||
| Broadcast station names are not displayed | Check if similar symptoms occur with another broadcast | - |
| Move the vehicle to a place where the reception sensitivity is good and check again | - | |
| Proceed to "TV Screen is Distorted" | ||
| Parental lock setting cannot be changed | On the parental lock identification number input screen, press the left arrow switch 10 times and reset the number | - |
| 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 | |
| Proceed to "Check Optical Disc Error History" in Operation Check | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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, DVD cannot be viewed even when parking brake is set (parking brake switch is on) | Proceed to "Parking Brake Switch Circuit" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Screen color is poor only when watching a or DVD | Change the color settings on the screen adjustment screen | - |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Sound quality is bad only when 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)" |
| 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 Navigation Receiver Assembly and Stereo Jack Adapter" | |
| No. 1 stereo jack adapter assembly (for TMMK Made) | ||
| No. 1 stereo jack adapter assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| "AUX/VTR" is not displayed on system check mode screen | Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | |
| No. 1 stereo jack adapter assembly (for TMMK Made) | ||
| No. 1 stereo jack adapter assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Screen is distorted or not displayed only when using a device connected to the No. 1 stereo jack adapter assembly (for TMC Made) |
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 an image is output | - | |
| Connect using a known good cable and check if an image is output | - | |
| Proceed to "Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | ||
| No. 1 stereo jack adapter assembly (for TMMK Made) | ||
| No. 1 stereo jack adapter assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
| Symptom | Suspected Area | See page |
|---|---|---|
| Voice menu screen is not displayed (voice recognition function does not turn on) | Proceed to "Panel Switches do not Function" | |
| Proceed to "Steering Pad Switch Circuit" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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 Navigation Receiver Assembly" | ||
| SD card (disc player disc) | - | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
| Symptom | Suspected Area | See page |
|---|---|---|
| "Bluetooth" is inoperative (in-vehicle device cannot be recognized by the cellular phone) | Proceed to "Cellular Phone Inspection" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| "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" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| "Bluetooth" compatible cellular phone cannot be connected automatically (can be connected manually) | Check that "Bluetooth" automatic connection setting of the in-vehicle device is on | - |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| "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" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| When the ignition switch is turned to ACC, instructions for checking the connection condition between the in-vehicle device and cellular phone are displayed | Turn the cellular phone connection conformation display on the in-vehicle device off | - |
| Phonebook data cannot be transferred | Check that the phonebook data automatic transfer setting of the in-vehicle device is on | - |
| 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" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Phonebook data is cleared | Navigation receiver assembly (for TMMK Made) | |
| Navigation receiver assembly (for TMC Made) | ||
| Phonebook data cannot be edited | Check that the phonebook data automatic transfer setting is off | - |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| All 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 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" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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 Navigation Receiver Assembly" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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 Navigation Receiver Assembly" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
| Symptom | Suspected Area | See page |
|---|---|---|
| Portable player cannot be registered | Proceed to "Portable Player cannot be Registered" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Portable player cannot be connected manually/ automatically | Proceed to "Portable Player cannot be Registered" | |
| Proceed to "Portable Player cannot be Connected Manually/Automatically" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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" | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Portable player does not play even after "Bluetooth" audio mode is selected | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Portable player does not play | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| "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" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Noise occurs or sound skips when portable player plays | Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Registered device cannot be deleted | Proceed to "Registered Device cannot be Deleted" | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
| 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 Navigation Receiver Assembly and Stereo Jack Adapter" | |
| No. 1 stereo jack adapter assembly (for TMMK Made) | ||
| No. 1 stereo jack adapter assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| USB device or "iPod" is not recognized | Proceed to "USB Audio System Recognition/Play Error" | |
| No. 1 stereo jack adapter assembly (for TMMK Made) | ||
| No. 1 stereo jack adapter assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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 (for TMMK Made) | ||
| No. 1 stereo jack adapter assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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 (for TMMK Made) | ||
| No. 1 stereo jack adapter assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Album cover art cannot be displayed | Check that display cover art on the "iPod" or USB settings screen is set to on | - |
| Check if similar symptoms occur with another vehicle | - | |
| If an indication to update the Gracenote database appears on the album cover art screen and update data has been downloaded to the navigation receiver assembly, update the Gracenote database to the latest version | - | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| 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 in the USB device or "iPod" | - | |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| "iPod" battery cannot be charged | Proceed to "USB Audio System Recognition/Play Error" | |
| No. 1 stereo jack adapter assembly (for TMMK Made) | ||
| No. 1 stereo jack adapter assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Screen is distorted or not displayed only when using the video function of an "iPod" (for TMC Made) |
Check if the "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 an image is output | - | |
| Proceed to "Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | ||
| No. 1 stereo jack adapter assembly (for TMMK Made) | ||
| No. 1 stereo jack adapter assembly (for TMC Made) | ||
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |
| Symptom | Suspected Area | See page |
|---|---|---|
| "Fuel Consumption" icon is dimmed | Check if other icons or items displayed on screen have any problems | - |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Graph is not displayed on "Trip Information" screen | Recheck with the engine running | - |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Cruise range is not displayed on "Trip Information" screen | Turn the ignition switch to ON and recheck | - |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Graph is not updated on "Past record" screen even though "Clear" is selected | Turn the ignition switch to ON and recheck | - |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) | ||
| Graph is not displayed on "Past record" screen | Turn the ignition switch to ON and recheck | - |
| Navigation receiver assembly (for TMMK Made) | ||
| Navigation receiver assembly (for TMC Made) |