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Home >> Toyota >> 2014 >> Prius Plug-in >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 101 (Audio / Video System (W/O Daytime Running Light) (Diagnostics - Introduction) (Except Plug-In)) >> AUDIO AND VISUAL SYSTEM (w/o Daytime Running Light) >> Problem Symptoms Table [10/2013 - ] >> Problem Symptoms Table [10/2013 - ]
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Problem Symptoms Table [10/2013 - ]

WARNING: This page is about a different variant/trim than selected.

HINT: 

DISPLAY FUNCTION

Symptom Suspected Area See
Pressing power switch does not turn on system. Proceed to "Radio Receiver Power Source Circuit" Refer to Radio Receiver Power Source Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Black screen (No image appears on audio screen.) Proceed to "Black Screen" Refer to Black Screen [10/2013 - ]
Proceed to "Check Software Error History" in Operation Check Refer to OPERATION CHECK [10/2013 - ] 
Hard disk drive Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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" Refer to Display does not Dim when Light Control Switch is Turned ON [10/2013 - ]
Proceed to "Illumination Circuit" Refer to Illumination Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Power does not turn off. (Screen remains on.) Proceed to "Radio Receiver Power Source Circuit" Refer to Radio Receiver Power Source Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Display panel does not open, tilt, or tilts improperly. Proceed to "Display Panel does not Open, Tilt or Tilts Improperly" Refer to Display Panel does not Open, Tilt or Tilts Improperly [10/2013 - ]
Proceed to "Radio Receiver Power Source Circuit" Refer to Radio Receiver Power Source Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Screen is distorted. Proceed to "Radio Receiver Power Source Circuit" Refer to Radio Receiver Power Source Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Screen flicker or color distortion Proceed to "Screen Flicker or Color Distortion" Refer to Screen Flicker or Color Distortion [10/2013 - ]
Proceed to "Radio Receiver Power Source Circuit" Refer to Radio Receiver Power Source Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
PANEL SWITCH AND TOUCH SWITCH FUNCTION

Symptom Suspected Area See
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" Refer to Illumination for Panel Switch does not Come on with Tail Switch ON [10/2013 - ]
Proceed to "Illumination Circuit" Refer to Illumination Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Panel switches do not function. Proceed to "Panel Switches do not Function" Refer to Panel Switches do not Function [10/2013 - ]
Proceed to "Radio Receiver Power Source Circuit" Refer to Radio Receiver Power Source Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Touch panel switch does not function. Proceed to "Touch Panel Switch does not Function" Refer to Touch Panel Switch does not Function [10/2013 - ]
Proceed to "Steering Pad Switch Circuit" Refer to Steering Pad Switch Circuit [10/2013 - ]
Proceed to "Radio Receiver Power Source Circuit" Refer to Radio Receiver Power Source Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
CUSTOMIZE STARTUP IMAGE OR SCREEN OFF IMAGE FUNCTION

Symptom Suspected Area See
Screen cannot be changed to UIC setting screen. Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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" Refer to USB Audio System Recognition/Play Error [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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" Refer to USB Audio System Recognition/Play Error [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Image data in USB device cannot be displayed. Check that the designated folder name is used. -
Check that the file extension of the data is JPG or JPEG. -
Check that the file name is 32 characters or less and available language is used. -
Check that the image data size is 10 MB or less. -
Check that the file system of the USB device is FAT16 or FAT32. -
Proceed to "USB Audio System Recognition/Play Error" Refer to USB Audio System Recognition/Play Error [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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 HDD may be slow when the system is first starting-up.) -
Set the opening image or screen off image again. -
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Stored image cannot be deleted. Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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" Refer to USB Audio System Recognition/Play Error [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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 HDD may be slow when the system is first starting-up.) -
Set the opening image or screen off image again. -
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Image cannot be set for opening image or screen off image on setting screen. Set the opening image or screen off image again. -
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
GENERAL AUDIO FUNCTION

Symptom Suspected Area See
No sound can be heard from speakers. Proceed to "No Sound can be Heard from Speakers" Refer to No Sound can be Heard from Speakers [10/2013 - ]
Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier" Refer to Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier [10/2013 - ]
Proceed to "Speaker circuit" Refer to Speaker Circuit [10/2013 - ]
Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier" Refer to Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier [10/2013 - ]
Stereo component amplifier assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Abnormal noise occurs. Proceed to "Noise Occurs" Refer to Noise Occurs [10/2013 - ]
Stereo component amplifier assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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)" Refer to Poor Sound Quality in All Modes (Low Volume) [10/2013 - ]
Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier" Refer to Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier [10/2013 - ]
Proceed to "Speaker circuit" Refer to Speaker Circuit [10/2013 - ]
Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier" Refer to Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier [10/2013 - ]
Stereo component amplifier assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
ASL does not function. Check that the ASL function is on. -
Proceed to "Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter" Refer to Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter [10/2013 - ]
Stereo component amplifier assembly Refer to REMOVAL [10/2013 - ]
Voice guidance does not function. Proceed to "Voice Guidance does not Function" Refer to Voice Guidance does not Function [10/2013 - ]
Proceed to "Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier" Refer to Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier [10/2013 - ]
Proceed to "Speaker Circuit" Refer to Speaker Circuit [10/2013 - ]
Proceed to "Voice Guidance Signal Circuit between Radio Receiver and Stereo Component Amplifier" Refer to Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier [10/2013 - ]
Stereo component amplifier assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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" Refer to Panel Switches do not Function [10/2013 - ]
Proceed to "Steering Pad Switch Circuit" Refer to Steering Pad Switch Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
When voice recognition switch is pressed, a short beep is emitted but voice cannot be recognized properly. Proceed to "Voice is not Recognized" Refer to Voice is not Recognized [10/2013 - ]
Proceed to "Microphone Circuit between Microphone and Radio Receiver" Refer to Microphone Circuit between Microphone and Radio Receiver [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Customizable parameters cannot be changed. (Customizable parameters can be changed by using the Techstream.) Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Reverse signal does not change in vehicle signal check mode. Proceed to "Reverse Signal Circuit" Refer to Reverse Signal Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Parking brake switch signal does not change in vehicle signal check mode. Proceed to "Parking Brake Switch Circuit" Refer to Parking Brake Switch Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
"AUX" is not displayed on system check mode screen. Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter" Refer to Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
FM OR AM RADIO FUNCTION

Symptom Suspected Area See
Radio broadcast cannot be received or poor reception. Proceed to "Radio Broadcast cannot be Received or Poor Reception" Refer to Radio Broadcast cannot be Received or Poor Reception [10/2013 - ]
Radio broadcast can be received but radio station cannot be displayed. (Some radio stations do not provide their station name.) Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
CD OR DVD PLAYER FUNCTION

Symptom Suspected Area See
Disc cannot be inserted/played or disc is ejected right after insertion. Proceed to "Check Optical Disc Error History" in Operation Check Refer to OPERATION CHECK [10/2013 - ] 
Proceed to "Disc cannot be Inserted or is Ejected Right After Insertion" Refer to Disc cannot be Inserted or is Ejected Right After Insertion [10/2013 - ]
Disc cannot be ejected. Proceed to "Check Optical Disc Error History" in Operation Check Refer to OPERATION CHECK [10/2013 - ] 
Proceed to "Disc cannot be Ejected" Refer to Disc cannot be Ejected [10/2013 - ]
Sound quality is bad only when disc is played. (Volume is too low.) Proceed to "Check Optical Disc Error History" in Operation Check Refer to OPERATION CHECK [10/2013 - ] 
Proceed to "Sound Quality is Bad Only when Disc is Played (Volume is Too Low)" Refer to Sound Quality is Bad Only when Disc is Played (Volume is Too Low) [10/2013 - ]
Disc sound skips. Proceed to "Check Optical Disc Error History" in Operation Check Refer to OPERATION CHECK [10/2013 - ] 
Proceed to "CD/DVD Sound Skips" Refer to CD/DVD Sound Skips [10/2013 - ]
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" Refer to Parking Brake Switch Circuit [10/2013 - ]
Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter" Refer to Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter [10/2013 - ]
Screen color is poor only when watching DVD. Change the color settings on the screen adjustment screen. -
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
AUX (STEREO JACK) FUNCTION

Symptom Suspected Area See
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" Refer to Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
"AUX" is not displayed on system check mode screen. Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter" Refer to Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
STEERING PAD SWITCH FUNCTION

Symptom Suspected Area See
System cannot be operated by steering pad switch. Proceed to "Panel Switches do not Function" Refer to Panel Switches do not Function [10/2013 - ]
Proceed to "Steering Pad Switch Circuit" Refer to Steering Pad Switch Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Illumination for steering pad switch does not come on with tail switch on. Proceed to "Illumination Circuit" Refer to Illumination Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
VOICE RECOGNITION FUNCTION

Symptom Suspected Area See
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" Refer to Panel Switches do not Function [10/2013 - ]
Proceed to "Steering Pad Switch Circuit" Refer to Steering Pad Switch Circuit [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
When voice recognition switch is pressed, a short beep is emitted but voice cannot be recognized properly. Proceed to "Voice is not Recognized" Refer to Voice is not Recognized [10/2013 - ]
Proceed to "Microphone Circuit between Microphone and Radio Receiver" Refer to Microphone Circuit between Microphone and Radio Receiver [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
"BLUETOOTH" HANDS-FREE FUNCTION

Symptom Suspected Area See
Bluetooth is inoperative. Proceed to "Microphone Circuit between Microphone and Radio Receiver" Refer to Microphone Circuit between Microphone and Radio Receiver [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Cellular phone registration failure. Proceed to "Cellular Phone Registration Failure, Phonebook Transfer Failure" Refer to Cellular Phone Registration Failure, Phonebook Transfer Failure [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Cellular phone cannot make outgoing/incoming calls or call in a certain place. Proceed to "Cellular Phone cannot Make Outgoing/Incoming Calls" Refer to Cellular Phone cannot Make Outgoing/Incoming Calls [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Message that prompts to check the cellular phone is displayed. Proceed to "Cellular Phone cannot Make Outgoing/Incoming Calls" Refer to Cellular Phone cannot Make Outgoing/Incoming Calls [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Phonebook data cannot be transferred manually or automatically. Check the automatically download contact setting. -
When transferring phonebook data, OBEX authentication may be required. Enter "1234" into the "Bluetooth" phone. -
Proceed to "Cellular Phone Registration Failure, Phonebook Transfer Failure" Refer to Cellular Phone Registration Failure, Phonebook Transfer Failure [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Volume of other caller's voice is not at an appropriate volume level, there is noise, sound quality is poor or other caller's voice cannot be heard. Proceed to "Check Hands-free Voice Quality and Volume Setting" in Operation Check Refer to OPERATION CHECK [10/2013 - ] 
Proceed to "The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted" Refer to The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Stereo component amplifier assembly Refer to REMOVAL [10/2013 - ]
Other caller cannot hear your voice at an appropriate volume level, there is noise or an echo, sound quality is poor or other caller cannot hear your voice. Proceed to "Check Hands-free Voice Quality and Volume Setting" in Operation Check Refer to OPERATION CHECK [10/2013 - ] 
Proceed to "The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted" Refer to The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted [10/2013 - ]
Proceed to "Microphone Circuit between Microphone and Radio Receiver" Refer to Microphone Circuit between Microphone and Radio Receiver [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
"Bluetooth" can be connected while driving. Proceed to "Parking Brake Switch Circuit" Refer to Parking Brake Switch Circuit [10/2013 - ]
Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter" Refer to Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter [10/2013 - ]
"BLUETOOTH" AUDIO FUNCTION

Symptom Suspected Area See
Portable player cannot be registered. Proceed to "Portable Player cannot be Registered" Refer to Portable Player cannot be Registered [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Portable player cannot be connected manually/automatically. Proceed to "Portable Player cannot be Registered" Refer to Portable Player cannot be Registered [10/2013 - ]
Proceed to "Portable Player cannot be Connected Manually/Automatically" Refer to Portable Player cannot be Connected Manually/Automatically [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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" Refer to Portable Player cannot be Registered [10/2013 - ]
Proceed to "Portable Player cannot be Connected Manually/Automatically" Refer to Portable Player cannot be Connected Manually/Automatically [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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" Refer to Sound of Portable Player cannot be Heard from Speakers or Sound is Low [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Portable player does not play even after "Bluetooth" audio mode is selected. Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" Refer to Does not Play even after Bluetooth Audio Mode is Selected [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Portable player does not play. Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" Refer to Does not Play even after Bluetooth Audio Mode is Selected [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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 vehicle Device" Refer to Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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 vehicle Device" Refer to Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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 vehicle Device" Refer to Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
"Bluetooth" signal condition is not displayed. Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on vehicle Device" Refer to Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
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 vehicle Device" Refer to Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Noise occurs or sound skips when portable player plays. Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" Refer to Noise Occurs or Sound Skips when Portable Player Plays [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Registered device cannot be deleted. Proceed to "Registered Device cannot be Deleted" Refer to Registered Device cannot be Deleted [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
USB AUDIO SYSTEM FUNCTION

Symptom Suspected Area See
USB audio system sound cannot be heard or sound quality is bad. (USB connector is used.) Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter" Refer to Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
USB device or "iPod" is not recognized. Proceed to "USB Audio System Recognition Play/Error" Refer to USB Audio System Recognition/Play Error [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Track information such as track, artist and album names are not displayed. Proceed to "USB Audio System Recognition Play/Error" Refer to USB Audio System Recognition/Play Error [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
USB device or "iPod" is recognized but cannot play nor play in a sorted order. Proceed to "USB Audio System Recognition Play/Error" Refer to USB Audio System Recognition/Play Error [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Album cover art cannot be displayed. Check that display cover art on the "iPod" settings screen is set to on. -
Check that a JPEG file is used for the cover art. -
"iPod" battery cannot be charged. Proceed to "USB Audio System Recognition Play/Error" Refer to USB Audio System Recognition/Play Error [10/2013 - ]
No. 1 stereo jack adapter assembly Refer to REMOVAL [10/2013 - ]
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
FUEL CONSUMPTION FUNCTION

Symptom Suspected Area See
"Fuel Consumption" icon is dimmed. Check if other icons or items displayed on screen have any problems. -
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Graph is not displayed on "Trip Information" screen. Recheck with the engine running. -
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Cruise range is not displayed on "Trip Information" screen. Turn power switch to on (IG) and recheck. -
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Graph is not updated on "Past record" screen even though "Clear" is selected. Turn power switch to on (IG) and recheck. -
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]
Graph is not displayed on "Past record" screen. Turn power switch to on (IG) and recheck. -
Navigation ECU Sub-assembly Refer to REMOVAL [10/2013 - ]