PROBLEM SYMPTOMS TABLE
NOTICE:
HINT:
Symptom |
Suspected Area |
Link |
---|---|---|
Black screen (no image appears on the screen) |
Proceed to "Black Screen" |
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Proceed to "Check Software Error History" in Operation Check |
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If the view behind the vehicle is displayed normally on the radio and display receiver assembly when the ignition switch is on (Start) and the shift position is R, replace the radio and display receiver assembly |
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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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Symptom |
Suspected Area |
Link |
---|---|---|
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 "Mute Signal Circuit between Radio Receiver and DCM (Telematics Transceiver)"*1 |
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Proceed to "Speaker Circuit" |
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DCM (Telematics transceiver)*1 |
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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 |
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Proceed to "Poor Sound Quality in All Modes (Low Volume)" |
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Proceed to "Mute Signal Circuit between Radio Receiver and DCM (Telematics Transceiver)"*1 |
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Proceed to "Speaker Circuit" |
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DCM (Telematics transceiver)*1 |
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Radio and display receiver assembly |
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ASL does not function |
Check that the ASL function is on |
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Proceed to "Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter"*1 |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
Link |
---|---|---|
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 |
Link |
---|---|---|
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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Radio and display receiver assembly |
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Symptom |
Suspected Area |
Link |
---|---|---|
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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Radio broadcast can be displayed but radio broadcast cannot be heard from speakers |
Operate the volume switch and turn up the volume level |
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Radio and display receiver assembly |
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Radio broadcast can be received but station list cannot be displayed |
Wait for 120 seconds in radio mode, and Select "Refresh" on the station list screen |
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Radio and display receiver assembly |
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Radio broadcast can be received but station list cannot be updated |
Select "Refresh" on the station list screen |
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Wait for 10 minutes with the ignition switch on (ACC), and select "Refresh" switch on the station list screen again |
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Radio and display receiver assembly |
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After the voice recognition function or hands-free function is turned off, the cache radio does not operate |
Check that the cache radio setting is on |
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Radio and display receiver assembly |
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When the cache radio is playing, sound is interrupted, sound cannot be heard or sound quality is poor |
Check if similar symptoms occur when receiving conventional FM/AM radio broadcasts |
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Check if similar symptoms occur when receiving other broadcasts |
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Move the vehicle to a place where the reception is good and check again |
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Radio and display receiver assembly |
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When the cache radio is playing, sound can be heard, but no information is displayed (some radio stations do not provide their name information.) |
Check if similar symptoms occur when receiving other broadcasts |
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Move the vehicle to a place where the reception is good and check again |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
Link |
---|---|---|
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 |
Link |
---|---|---|
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 is 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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Album cover art cannot be displayed |
Check that display cover art on the USB device or "iPod" settings screen is set to on |
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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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USB device or "iPod" is recognized but cannot play or 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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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" |
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Radio and display receiver assembly |
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"iPod" ignition switch 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 |
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Symptom |
Suspected Area |
Link |
---|---|---|
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" |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
Link |
---|---|---|
"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 |
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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 |
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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 |
Check that no other cellular phone is connected as a hands-free device |
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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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A "Bluetooth" compatible cellular phone other than intended connects to the system |
Check the connection priority of the cellular phone |
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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 |
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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 on (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 |
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Phonebook data cannot be transferred |
Check that the phonebook data automatic transfer setting of the in-vehicle device is on |
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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 |
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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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 |
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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 cellular phone is connected to the vehicle via "Bluetooth" and operate the in-vehicle device again |
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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 |
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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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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) |
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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" |
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Radio and display receiver assembly |
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Other caller cannot hear your voice |
Check that the mute button is not on |
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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" |
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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 |
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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 |
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Proceed to "Cellular Phone Inspection" |
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Radio and display receiver assembly |
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SMS/MMS/e-mail 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 |
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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 |
Link |
---|---|---|
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 and random 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 |
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 |
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Symptom |
Suspected Area |
Link |
---|---|---|
Graph is not displayed on "Trip Information" screen |
Recheck with the engine running |
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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 |
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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 |
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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 |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
Link |
---|---|---|
Only "HD Radio" stations cannot be heard or selected, or their analog or digital sound cannot be changed |
Check the "HD Radio" settings |
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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 |
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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 |
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After selecting "Refresh", 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 selecting "Refresh", select the SPS channel on the station list |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
Link |
---|---|---|
Satellite radio broadcast cannot be received or reception is bad |
Proceed to "Satellite Radio Broadcast cannot be Received" |
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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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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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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 |
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Proceed to "Satellite Radio Broadcast cannot be Received" |
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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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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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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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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 |
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When the satellite radio is playing, cover art cannot be displayed |
Radio and display receiver assembly |
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After the voice recognition function or hands-free function is turned off, the cache radio does not operate |
Check that the cache radio setting is on |
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Radio and display receiver assembly |
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When the cache radio is playing, sound is interrupted, sound cannot be heard or sound quality is poor |
Check if similar symptoms occur when receiving conventional SiriusXM radio broadcasts |
- |
Check if similar symptoms occur when receiving other broadcasts |
- |
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Move the vehicle to a place where the reception is good and check again |
- |
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Radio and display receiver assembly |
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When the cache radio is playing, sound can be heard, but no information is displayed (some radio stations do not provide their name information) |
Check if similar symptoms occur when receiving other broadcasts |
- |
Move the vehicle to a place where the reception is good and check again |
- |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
Link |
---|---|---|
"Wi-Fi" connection cannot be established |
Check if the Toyota Entune App Suite function is available |
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Check the DCM icon on the multi-display |
- |
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Check the status of the "Wi-Fi" hotspot contract |
- |
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Check that the "Wi-Fi" hotspot function is on |
- |
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Check the condition of the "Wi-Fi" hotspot indicator |
- |
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Check if a known good "Wi-Fi" compatible device can be connected to the vehicle |
- |
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Move the vehicle to an area with little wave interference and remove any optional components which may cause wave interference and then check again |
- |
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Radio and display receiver assembly |
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Symptom |
Suspected Area |
Link |
---|---|---|
Application link function cannot be started (smartphone battery can be charged) |
Check that the smartphone is application link compatible |
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Check smartphone settings |
- |
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Check connection of smartphone to radio and display receiver assembly |
- |
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Radio and display receiver assembly |
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Application link function can be started but sound cannot be heard (smartphone battery can be charged) |
Check that sound can be output from the speakers |
- |
Check that sound can be output from the smartphone |
- |
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Check that the volume is not set to "0" |
- |
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Check that mute is off |
- |
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Check application link function using another compatible smartphone |
- |
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Radio and display receiver assembly |
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Toyota CH-R Service Manual > Power Steering System: System Description
SYSTEM DESCRIPTION
DESCRIPTION
The power steering system generates torque through the operation of the motor
and the reduction gear installed on the column shaft in order to assist steering
effort.
The power steering ECU assembly determines the direction and the amount of assist
power in ac ...
Toyota CH-R Service Manual > Rear View Monitor System: System Description
SYSTEM DESCRIPTION
GENERAL
(a) This system has a rear television camera assembly mounted on the back door
to assist the driver in parking the vehicle by displaying an image of the area behind
the vehicle. The system displays the image on the multi-display.
(b) This system consists of the foll ...