PROBLEM SYMPTOMS TABLE
NOTICE:
After replacing the stereo component tuner assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System).
HINT:
Symptom |
Suspected Area |
See page |
---|---|---|
Black screen (No image appears on the screen) |
Proceed to "Black Screen" |
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Radio and display receiver assembly |
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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" |
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Proceed to "Illumination Circuit" |
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Radio and display receiver assembly |
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Power does not turn off (Screen remains on) |
Proceed to "Radio Receiver Power Source Circuit" |
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Radio and display receiver assembly |
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Screen is distorted |
Proceed to "Radio Receiver Power Source Circuit" |
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Radio and display receiver assembly |
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Screen flicker or color distortion |
Proceed to "Screen Flicker or Color Distortion" |
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Proceed to "Radio Receiver Power Source Circuit" |
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Radio and display receiver assembly |
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Parking brake switch signal does not change in vehicle signal check mode |
Proceed to "Parking Brake Switch Circuit" |
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Radio and display receiver assembly |
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Reverse signal does not change in vehicle signal check mode |
Proceed to "Reverse Signal Circuit" |
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Radio and display receiver assembly |
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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" |
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Proceed to "Illumination Circuit" |
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Radio and display receiver assembly |
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Panel switches do not function |
Proceed to "Panel Switches do not Function" |
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Proceed to "Radio Receiver Power Source Circuit" |
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Radio and display receiver assembly |
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Touch panel switch does not function |
Proceed to "Touch Panel Switch does not Function" |
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Proceed to "Radio Receiver Power Source Circuit" |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
See page |
---|---|---|
System cannot be operated by steering pad switch |
Proceed to "Panel Switches do not Function" |
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Proceed to "Steering Pad Switch Circuit" |
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Radio and display receiver assembly |
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Illumination for steering pad switch does not come on with tail switch on |
Proceed to "Illumination Circuit" |
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Symptom |
Suspected Area |
See page |
---|---|---|
Pressing ignition switch does not turn on system |
Proceed to "Radio Receiver Power Source Circuit" |
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Radio and display receiver assembly |
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No sound can be heard from speakers |
Proceed to "No Sound can be Heard from Speakers" |
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Proceed to "Speaker Circuit" |
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Radio and display receiver assembly |
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Abnormal noise occurs |
Proceed to "Noise Occurs" |
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Radio and display receiver assembly |
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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)" |
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Proceed to "Speaker Circuit" |
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Radio and display receiver assembly |
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ASL does not function |
Check that the ASL function is on |
- |
Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter" |
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Radio and display receiver assembly |
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Voice guidance does not function |
Proceed to "Voice Guidance does not Function" |
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Proceed to "Speaker Circuit" |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
See page |
---|---|---|
Radio broadcast cannot be received or poor reception |
Proceed to "Radio Broadcast cannot be Received or Poor Reception" |
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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 |
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Only "HD Radio" stations cannot be heard or selected, or their analog or digital sound cannot be changed |
Check the "HD Radio" settings |
- |
Radio and display receiver assembly |
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"iPod" tagging function cannot be used |
Check if a message indicating that the capacity for tag information is full is displayed |
- |
Proceed to "USB Audio System Recognition/Play Error" |
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No. 1 stereo jack adapter assembly |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
See page |
---|---|---|
Only "HD Radio" stations cannot be heard or selected, or their analog or digital sound cannot be changed |
Check the "HD Radio" settings |
- |
Radio and display receiver assembly |
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"iPod" tagging function cannot be used |
Check if a message indicating that the capacity for tag information is full is displayed |
- |
Proceed to "USB Audio System Recognition/Play Error" |
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No. 1 stereo jack adapter assembly |
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Radio and display receiver assembly |
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When the HD radio is playing, cover art is not displayed |
When a song unregistered to the Gracenote CDDB is playing or cover art information is not provided by the broadcast station, its cover art cannot be displayed |
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When the HD radio is playing, cover art cannot be displayed |
Radio and display receiver assembly |
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Broadcast station logo cannot be displayed |
Check if similar symptoms occur when receiving other broadcasts |
- |
Check if similar symptoms occur with another vehicle |
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Radio and display receiver assembly |
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SPS channel cannot be selected |
Check that HD radio FM mode is selected |
- |
After pressing the "Refresh" switch, check that the SPS channel is on the station list |
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Radio and display receiver assembly |
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When the SPS channel is selected, sound cannot be heard |
After pressing the "Refresh" switch, select the SPS channel on the station list |
- |
Radio and display receiver assembly |
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Symptom |
Suspected Area |
See page |
---|---|---|
Satellite radio broadcast cannot be received or reception is bad |
Proceed to "Satellite Radio Broadcast cannot be Received" |
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Stereo component tuner assembly |
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Radio and display receiver assembly |
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Satellite radio cannot receive pay-type broadcasts |
Proceed to "Satellite Radio Broadcast cannot be Received" |
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Stereo component tuner assembly |
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Radio and display receiver assembly |
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Satellite radio broadcast cannot be selected or after selecting broadcast, broadcast cannot be added into memory |
Proceed to "Satellite Radio Broadcast cannot be Received" |
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Proceed to "Satellite Radio Broadcast cannot be Selected or After Selecting Broadcast, Broadcast cannot be Added into Memory" |
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Stereo component tuner assembly |
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Radio and display receiver assembly |
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Satellite radio can be displayed but radio broadcast cannot be heard from speakers |
Check the volume settings |
- |
Proceed to "Satellite Radio Broadcast cannot be Received" |
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Stereo component tuner assembly |
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Radio and display receiver assembly |
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Broadcast station logo cannot be displayed |
Proceed to "Satellite Radio Broadcast cannot be Received" |
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Proceed to "Data Signal Circuit between Radio Receiver and Extension Module" |
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Stereo component tuner assembly |
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Radio and display receiver assembly |
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Satellite radio text information cannot be displayed |
Proceed to "Satellite Radio Broadcast cannot be Received" |
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Stereo component tuner assembly |
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Radio and display receiver assembly |
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Satellite radio broadcast station cannot be selected (scan cannot be performed) |
Proceed to "Satellite Radio Broadcast cannot be Received" |
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Stereo component tuner assembly |
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Radio and display receiver assembly |
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When the satellite radio is playing, some cover art is not displayed |
When a song unregistered to the Gracenote CDDB is playing, its cover art cannot be displayed |
- |
When the satellite radio is playing, cover art cannot be displayed |
Radio and display receiver assembly |
|
Symptom |
Suspected Area |
See page |
---|---|---|
CD cannot be played or player does not function with disc |
Proceed to "Disc Player Outline" in System Description and check if the CD is compatible with the CD player |
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Proceed to "Check Optical Disc Error History" in Operation Check |
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Radio and display receiver assembly |
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CD cannot be inserted/played or CD is ejected right after insertion |
Proceed to "Check Optical Disc Error History" in Operation Check |
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Proceed to "CD cannot be Inserted / Played or CD is Ejected Right After Insertion" |
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CD cannot be ejected |
Proceed to "Check Optical Disc Error History" in Operation Check |
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Proceed to "CD cannot be Ejected" |
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CD sound skips |
Proceed to "Check Optical Disc Error History" in Operation Check |
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Proceed to "CD Sound Skips" |
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Sound quality is bad only when CD is played (volume is too low) |
Change the sound setting on the adjustment screen |
- |
Proceed to "Check Optical Disc Error History" in Operation Check |
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Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)" |
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When CD is playing, some cover art is not displayed* |
When a song unregistered to the Gracenote CDDB is playing, its cover art cannot be displayed |
- |
When CD is playing, cover art cannot be displayed* |
Radio and display receiver assembly |
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Album cover art cannot be displayed* |
Check that display cover art on the CD settings screen is set to on |
- |
Check if similar symptoms occur with another vehicle |
- |
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If an indication to update the Gracenote database appears on the album cover art screen and update data has been downloaded to the radio and display receiver assembly, update the Gracenote database to the latest version |
- |
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Radio and display receiver assembly |
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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" |
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No. 1 stereo jack adapter assembly |
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Radio and display receiver assembly |
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"AUX/VTR" is not displayed on system check mode screen |
Proceed to "Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter" |
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No. 1 stereo jack adapter assembly |
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Radio and display receiver assembly |
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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" |
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Proceed to "Panel Switches do not Function" |
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Proceed to "Steering Pad Switch Circuit" |
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Radio and display receiver assembly |
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When voice recognition switch is pressed, a short beep is emitted but voice cannot be recognized properly |
Proceed to "Voice is not Recognized" |
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Proceed to "Microphone Circuit between Microphone and Radio Receiver" |
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Radio and display receiver assembly |
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Mobile Assistant function does not work (w/ Mobile Assistant Function) |
Check if the "Siri" voice recognition application can be used on the device |
- |
Check if a hard reset of the device corrects the problem |
- |
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Proceed to "Steering Pad Switch Circuit" |
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Proceed to "Voice is not Recognized" |
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Proceed to "Microphone Circuit between Microphone and Radio Receiver |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
See page |
---|---|---|
"Bluetooth" is inoperative (in-vehicle device cannot be recognized by the cellular phone) |
Proceed to "Cellular Phone Inspection" |
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Radio and display receiver assembly |
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"Bluetooth" compatible cellular phone cannot be registered |
Proceed to "Cellular Phone Registration Failure" |
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"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 |
- |
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Proceed to "Cellular Phone Inspection" |
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Radio and display receiver assembly |
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"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 |
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Radio and display receiver assembly |
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"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" |
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Radio and display receiver assembly |
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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" |
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Radio and display receiver assembly |
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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 |
- |
Enter "1234" into the "Bluetooth" phone (when transferring phonebook data, OBEX authentication may be required) |
- |
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Check that no applications on the cellular phone are running |
- |
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If using "Bluetooth" audio function, cancel the "Bluetooth" audio player connection and check the operation |
- |
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Transfer phonebook data manually |
- |
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Proceed to "Cellular Phone Inspection" |
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Radio and display receiver assembly |
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Phonebook data is cleared |
Radio and display receiver assembly |
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Phonebook data cannot be edited |
Check that the phonebook data automatic transfer setting of the in-vehicle device is off |
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Radio and display receiver assembly |
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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 |
- |
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Proceed to "Cellular Phone Inspection" |
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Explain to the customer that all the transferred phonebook data may be stored to "Other" depending on the cellular phone |
- |
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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" |
- |
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Proceed to "Cellular Phone Inspection" |
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Radio and display receiver assembly |
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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) |
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Make a call with the cellular phone disconnected from "Bluetooth" and check that other caller's voice can be heard clearly |
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Proceed to "Check Hands-free Voice Quality Setting" in Operation Check |
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Proceed to "Cellular Phone Inspection" |
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Radio and display receiver assembly |
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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 |
- |
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Proceed to "Check Hands-free Voice Quality Setting" in Operation Check |
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Proceed to "Cellular Phone Inspection" |
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Radio and display receiver assembly |
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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) |
- |
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Proceed to "Check Hands-free Voice Quality Setting" in Operation Check |
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Proceed to "Cellular Phone Inspection" |
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Proceed to "Microphone Circuit between Microphone and Radio Receiver" |
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Radio and display receiver assembly |
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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) |
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Proceed to "Check Hands-free Voice Quality Setting" in Operation Check |
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Proceed to "Cellular Phone Inspection" |
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Proceed to "Microphone Circuit between Microphone and Radio Receiver" |
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Radio and display receiver assembly |
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No notification when a new SMS/MMS/e-mail has been received* |
Check the SMS/MMS/e-mail notification settings on the cellular phone and the radio and display receiver assembly |
- |
Proceed to "Cellular Phone Inspection" |
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Radio and display receiver assembly |
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Received SMS/MMS/e-mail cannot be read* |
Check the SMS/MMS/e-mail transfer settings on the cellular phone and the radio and display receiver assembly |
- |
Proceed to "Cellular Phone Inspection" |
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Radio and display receiver assembly |
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SMS cannot be replied to* |
Move the vehicle into a cellular phone service area, and check the operation of the radio and display receiver assembly and cellular phone |
- |
Check that the cellular phone can send an SMS/MMS/e-mail |
- |
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Proceed to "Cellular Phone Inspection" |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
See page |
---|---|---|
Portable player cannot be registered |
Proceed to "Portable Player cannot be Registered" |
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Radio and display receiver assembly |
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Portable player cannot be connected manually/automatically |
Proceed to "Portable Player cannot be Registered" |
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Proceed to "Portable Player cannot be Connected Manually/Automatically" |
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Radio and display receiver assembly |
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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" |
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Proceed to "Portable Player cannot be Connected Manually/Automatically" |
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Radio and display receiver assembly |
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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" |
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Radio and display receiver assembly |
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Portable player does not play even after "Bluetooth" audio mode is selected |
Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" |
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Radio and display receiver assembly |
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Portable player does not play |
Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" |
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Radio and display receiver assembly |
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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" |
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Radio and display receiver assembly |
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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" |
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Radio and display receiver assembly |
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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" |
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Radio and display receiver assembly |
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"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" |
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Radio and display receiver assembly |
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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" |
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Radio and display receiver assembly |
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Noise occurs or sound skips when portable player plays |
Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" |
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Radio and display receiver assembly |
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Registered device cannot be deleted |
Proceed to "Registered Device cannot be Deleted" |
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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" |
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No. 1 stereo jack adapter assembly |
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Radio and display receiver assembly |
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USB device or "iPod" is not recognized |
Proceed to "USB Audio System Recognition/Play Error" |
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No. 1 stereo jack adapter assembly |
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Radio and display receiver assembly |
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Track information such as track, artist and album names are not displayed |
Proceed to "USB Audio System Recognition/Play Error" |
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No. 1 stereo jack adapter assembly |
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Radio and display receiver assembly |
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USB device or "iPod" is recognized but cannot play nor play in a sorted order |
Proceed to "USB Audio System Recognition/Play Error" |
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No. 1 stereo jack adapter assembly |
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Radio and display receiver assembly |
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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 |
- |
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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 "iPod" |
- |
Radio and display receiver assembly |
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"iPod" battery cannot be charged |
Proceed to "USB Audio System Recognition/Play Error" |
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No. 1 stereo jack adapter assembly |
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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 |
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Cruise range is not displayed on "Trip Information" screen |
Turn the ignition switch to ON and recheck |
- |
Radio and display receiver assembly |
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Graph is not updated on "Past record" screen even though "Clear" is selected |
Turn the ignition switch to ON and recheck |
- |
Radio and display receiver assembly |
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Graph is not displayed on "Past record" screen |
Turn the ignition switch to ON and recheck |
- |
Radio and display receiver assembly |
|
Symptom |
Suspected Area |
See page |
---|---|---|
A Connected Navigation App function error message is displayed on the screen |
Follow the on screen instructions |
- |
Proceed to "Confirm Cellular Phone Functionality" |
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Proceed to "Confirm Vehicle Headunit Functionality" |
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Proceed to "Connected Navigation App Reset Procedure" in Operation Check |
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Radio and display receiver assembly |
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Connected Navigation App Suite and service is not operating as expected |
Proceed to "Confirm Cellular Phone Functionality" |
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Proceed to "Confirm Vehicle Headunit Functionality" |
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Proceed to "Connected Navigation App Reset Procedure" in Operation Check |
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Radio and display receiver assembly |
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Connected Navigation App voice recognition is not possible (voice recognition of the audio and visual system is normal) |
Proceed to "Confirm Cellular Phone Functionality" |
|
Proceed to "Confirm Vehicle Headunit Functionality" |
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Proceed to "Connected Navigation App Reset Procedure" in Operation Check |
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Radio and display receiver assembly |
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Poor sound quality of Connected Navigation App function |
Confirm that cellular phone handset volume is turned up |
- |
Confirm that adequate signal is maintained during driving |
- |
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Proceed to "Confirm Cellular Phone Functionality" |
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Proceed to "Confirm Vehicle Headunit Functionality" |
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Proceed to "Connected Navigation App Reset Procedure" in Operation Check |
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Radio and display receiver assembly |
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Power windows*
The power windows can be opened/closed using the following switches.
Driver’s power window switches
Closing
Opening
One-touch opening (driver’s window
only)*
*: To stop the window partway, operate the switch in the opposite direction.
Front and rear passenger’s power
window swi ...
Door Courtesy Switch Circuit
DESCRIPTION
The main body ECU (multiplex network Body ECU) receives a door open or closed
signal from each door courtesy light switch.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Recognition code registration is necessary when replacing the main body
ECU (multiplex network bo ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE RADIATOR DRAIN COCK PLUG
(a) Remove the radiator drain cock plug from the radiator assembly.
(b) Remove the O-ring from the radiator drain cock plug.
2. REMOVE RADIATOR TO SUPPORT SEAL
(a) Remove the 2 radiator to support seals from the radiator assem ...