Toyota Corolla Cross: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
- The following inspection procedures for the parking assist monitor system are based on the assumption that the audio and visual system is normal. If the audio and visual system has any malfunction, first proceed with troubleshooting of the audio and visual system.
- Depending on the parts that are replaced or operations that are performed
during vehicle inspection or maintenance, calibration of other systems as
well as the parking assist monitor system may be needed.
Click here
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- The vehicle is equipped with a Supplemental Restraint System (SRS) which
includes components such as airbags. Before servicing (including removal
or installation of parts), be sure to read the precaution for Supplemental
Restraint System.
Click here
- After the ignition switch is turned off, there may be a waiting time
before disconnecting the negative (-) auxiliary battery terminal.
Click here
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
Click here
HINT:
- 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 |
Link |
|---|---|---|
|
When the shift position is in R, an image of the area behind the vehicle is not displayed (screen is not black) |
Vehicle Signal Check Mode (Reverse Signal) |
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CAN communication system*1 |
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CAN communication system*2 |
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Hybrid control system*1 |
- |
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SFI control system*2 |
- |
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Rear television camera assembly |
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Radio and display receiver assembly |
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When the shift position is in R, an image of the area behind the vehicle is not displayed (screen is black) |
Proceed to "Image from Camera for Parking Assist Monitor is Abnormal" |
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When the shift position is not in R, an image of the area behind the vehicle is displayed |
Vehicle Signal Check Mode (Reverse Signal) |
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CAN communication system*1 |
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CAN communication system*2 |
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Hybrid control system*1 |
- |
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SFI control system*2 |
- |
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Radio and display receiver assembly |
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When the shift position is in R, an image of the area behind the vehicle is displayed and then switches to another image |
Vehicle Signal Check Mode (Reverse Signal) |
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CAN communication system*1 |
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CAN communication system*2 |
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Hybrid control system*1 |
- |
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SFI control system*2 |
- |
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Radio and display receiver assembly |
|
- *1: for HEV Model
- *2: for Gasoline Model
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Parking assist monitor display malfunction (distortion of the color/screen) occurs continuously |
Proceed to "Image from Camera for Parking Assist Monitor is Abnormal" |
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Parking assist monitor display malfunction (distortion of the color/screen) occurs temporarily |
Check the usage conditions (explain to the customer that the display may be temporarily distorted when the vehicle is close to an object that transmits radio waves, such as a telecommunication tower, an airport or a truck equipped with a transceiver) |
- |
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Estimated course lines are not displayed |
Parking assist monitor screen display mode settings (check that estimated course line display mode is selected) |
- |
|
Rear television camera assembly |
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Radio and display receiver assembly |
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Steering sensor |
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The vehicle width guide lines and estimated course lines do not match when the steering wheel is turned to the center position |
Check that the rear television camera assembly is correctly installed |
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Rear television camera assembly |
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Steering sensor |
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The guide lines are not displayed even though the back door is closed |
Check that the No. 1 luggage compartment light assembly illuminates normally (if not, refer to Lighting System [INT] - Problem Symptoms Table) |
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Rear television camera assembly |
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The guide lines remain displayed even though the back door is open |
Check that the No. 1 luggage compartment light assembly illuminates normally (if not, refer to Lighting System [INT] - Problem Symptoms Table) |
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Rear television camera assembly |
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Guide lines and buttons are not displayed for all parking assist monitor screen display modes. |
CAN communication system*1 |
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CAN communication system*2 |
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Proceed to "Luggage Compartment Room Light" in Lighting System (INT) |
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Rear television camera assembly |
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The guide lines and buttons remain displayed even though the back door is open. |
CAN communication system*1 |
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CAN communication system*2 |
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Proceed to "Luggage Compartment Room Light" in Lighting System (INT) |
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Rear television camera assembly |
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When adjusting the camera optical axis, "You can not calibrate the camera when the door is open. Please close the door." is displayed even after the back door has been closed |
Check that the No. 1 luggage compartment light assembly illuminates normally (if not, refer to Lighting System [INT] - Problem Symptoms Table) |
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Rear television camera assembly |
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"CHK" message(s) are displayed on the signal check screen |
Signal check (diagnosis system) |
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When an image of the area behind the vehicle is displayed, the lines are misaligned (the image from the camera is tilted) |
Back camera position setting (calibration) |
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Rear television camera assembly |
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- *1: for HEV Model
- *2: for Gasoline Model
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
A switch displayed on the parking assist monitor screen does not respond when pushed, or a switch other than the pushed switch responds. |
Proceed to "CHECK TOUCH SWITCH" in Audio and visual system |
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Rear television camera assembly |
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Radio and display receiver assembly |
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A beep sound is not emitted when a switch displayed on the parking assist monitor screen is pushed. |
Check the setting on the audio screen (General setting) |
- |
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Proceed to "CHECK TOUCH SWITCH" in Audio and visual system |
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Rear television camera assembly |
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Radio and display receiver assembly |
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The language of the messages displayed on the parking assist monitor screen cannot be changed. |
Check the setting on the audio screen (General setting) |
- |
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Rear television camera assembly |
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Radio and display receiver assembly |
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The switches displayed on the parking assist monitor screen are grayed out. |
Rear television camera assembly |
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Radio and display receiver assembly |
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The color of the switches displayed on the parking assist monitor screen are abnormal, or the switches are not dimmed when the headlights are turned on. |
Check the setting on the audio screen (Screen adjustment) |
- |
|
Proceed to "CHECK TOUCH SWITCH" in Audio and visual system |
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Rear television camera assembly |
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Radio and display receiver assembly |
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READ NEXT:
Terminals Of Ecu
TERMINALS OF ECU
REAR TELEVISION CAMERA ASSEMBLY
(a) Disconnect the rear television camera assembly connector.
(b) Measure the voltage on the wire harness side connector according
to the value(
Diagnosis System
DIAGNOSIS SYSTEM
PARKING ASSIST MONITOR SYSTEM DIAGNOSTIC MODE
(a) In diagnostic mode for the parking assist monitor system, signals
received by the radio and display receiver assembly can be chec
Freeze Frame Data
FREEZE FRAME DATA
HINT:
Freeze frame data is stored at the time when DTCs are detected.
When freeze frame data at the time it is stored that a DTC is detected,
data is not updated or clear
SEE MORE:
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE (-) AUXILIARY BATTERY TERMINAL
NOTICE: After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
Click here HINT: When disconnecting and reconnecting the aux
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the my settings system.
*: Use the GTS.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK
NEXT
