Note
After replacing the radio and display receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System).
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 |
---|---|---|
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 "Check Software Error History" in Operation Check | ||
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 switch 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 |
---|---|---|
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 and display receiver assembly | ||
Panel switches do not function | Proceed to "Panel Switches do not Function" | |
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 "Radio Receiver Power Source 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" |
Symptom | Suspected Area | See page |
---|---|---|
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 and display receiver assembly | ||
Abnormal noise occurs | Proceed to "Noise Occurs" | |
Stereo component amplifier assembly*1 | ||
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 "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 and display 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 | ||
Radio and display receiver assembly | ||
Stereo component amplifier assembly*1 | ||
Voice guidance does not function | Proceed to "Voice Guidance does not Function"*3 | |
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 | ||
Radio and display receiver assembly | ||
Stereo component amplifier assembly*1 |
*1: for 10 Speakers
*2: for 6 Speakers
*3: w/ Voice Switch of Steering Pad Switch Assembly
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) | Radio and display receiver assembly | |
Only "HD Radio" stations cannot be heard or selected, or their analog or digital sound cannot be changed*1 | Check the "HD Radio" settings | - |
Radio and display receiver assembly | ||
"iPod" tagging function cannot be used*1 | Check if a message indicating that the capacity for tag information is full is displayed | - |
Proceed to "USB Audio System Recognition/Play Error" | ||
No. 1 stereo jack adapter assembly | ||
Radio and display receiver assembly |
*1: w/ HD Radio
Symptom | Suspected Area | See page |
---|---|---|
CD cannot be inserted/played or CD is ejected right after insertion | Proceed to "Check Optical Disc Error History" in Operation Check | |
Proceed to "CD cannot be Inserted / Played or CD is Ejected Right After Insertion" | ||
CD cannot be ejected | Proceed to "Check Optical Disc Error History" in Operation Check | |
Proceed to "CD cannot be Ejected" | ||
CD sound skips | Proceed to "Check Optical Disc Error History" in Operation Check | |
Proceed to "CD Sound Skips" | ||
Sound quality is bad only when CD is played (Volume is too low) | Proceed to "Check Optical Disc Error History" in Operation Check | |
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" 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 |
Symptom | Suspected Area | See page |
---|---|---|
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 and display 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 and display receiver assembly |
Symptom | Suspected Area | See page |
---|---|---|
Bluetooth is inoperative | Proceed to "Microphone Circuit between Microphone and Radio Receiver" | |
Radio and display receiver assembly | ||
Cellular phone registration failure | Proceed to "Cellular Phone Registration Failure, Phonebook Transfer Failure" | |
Radio and display receiver assembly | ||
Cellular phone cannot make outgoing/incoming calls or call in a certain place | Proceed to "Cellular Phone cannot Make Outgoing/Incoming Calls" | |
Radio and display receiver assembly | ||
Message that prompts to check the cellular phone is displayed | Proceed to "Cellular Phone cannot Make Outgoing/Incoming Calls" | |
Radio and display receiver assembly | ||
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" | ||
Radio and display receiver assembly | ||
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 | |
Proceed to "The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted" | ||
Stereo component amplifier assembly*1 | ||
Radio and display receiver assembly | ||
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 | |
Proceed to "The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted" | ||
Proceed to "Microphone Circuit between Microphone and Radio Receiver" | ||
Radio and display receiver assembly |
*1: for 10 Speakers
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, 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 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, play at random or scan | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | |
Radio and display receiver assembly | ||
Noise occurs or sound skips when portable player plays | 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 |
---|---|---|
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 are 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 nor play 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 "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" | |
No. 1 stereo jack adapter assembly | ||
Radio and display receiver assembly |
Symptom | Suspected Area | See page |
---|---|---|
Satellite radio broadcast cannot be received or reception is bad | Proceed to "Satellite Radio Broadcast cannot be Received" | |
Radio and display receiver assembly | ||
Satellite radio cannot receive pay type broadcasts | Proceed to "Satellite Radio Broadcast cannot be Received" | |
Radio and display receiver assembly | ||
Satellite radio broadcast cannot be selected or after selecting broadcast, broadcast cannot be added into memory | Proceed to "Satellite Radio Broadcast cannot be Received" | |
Proceed to "Satellite Radio Broadcast cannot be Selected or After Selecting Broadcast, Broadcast cannot be Added into Memory" | ||
Radio and display receiver assembly |
Symptom | Suspected Area | See page |
---|---|---|
Graph is not displayed on "Trip Information" screen | Recheck with the engine running | - |
Radio and display receiver assembly | ||
Cruise range is not displayed on "Trip Information" screen | Turn ignition switch to ON and recheck | - |
Radio and display receiver assembly | ||
Graph is not updated on "Past record" screen even though "Clear" is selected | Turn ignition switch to ON and recheck | - |
Radio and display receiver assembly | ||
Graph is not displayed on "Past record" screen | Turn ignition switch to ON and recheck | - |
Radio and display receiver assembly |