Note
The following inspection procedures for the parking assist monitor system are based on the assumption that the navigation system is normal. If the navigation system has any malfunctions, troubleshoot the navigation system first.
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.
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 |
|---|---|---|
| When the shift reverse is in R, an image of the area behind the vehicle is not displayed (screen is not black) | CAN communication system*1 | |
| CAN communication system*2 | ||
| Radio receiver assembly | ||
| When the shift reverse 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" | |
| When the shift reverse is not in R, an image of the area behind the vehicle is displayed | CAN communication system*1 | |
| CAN communication system*2 | ||
| Radio receiver assembly |
| Symptom | Suspected Area | See page |
|---|---|---|
| Parking assist monitor display malfunction (distortion of the color/ screen) occurs continuously | Proceed to "Image from Camera for Parking Assist Monitor is Abnormal" | |
| 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 | See page |
|---|---|---|
| Estimated course lines are not displayed | Parking assist monitor screen display mode settings (check that estimated course line display mode is selected) | |
| Radio receiver assembly | ||
| "System initializing" is displayed | Correct the steering angle neutral point (initialization) | |
| "System initializing" is displayed even after correcting the steering angle neutral point | Spiral cable with sensor sub-assembly | |
| Correct the steering angle neutral point (initialization) | ||
| Steering angle setting (calibration) | ||
| Radio receiver assembly | ||
| "System not ready" is displayed | Parking assist monitor system initialization (calibration) | |
| "System not ready" is displayed even after parking assist monitor system initialization | Radio receiver assembly | |
| During parallel parking assist mode, the screen does not change even though the vehicle has moved | If the vehicle is reversing at very low speed, the screen may not change | - |
| During parallel parking assist mode, the screen changes even though the vehicle has not moved | If the vehicle is stopped for an extended period of time, the screen may change | - |
| Guide lines and buttons are not displayed for all parking assist monitor screen display modes | CAN communication system*1 | |
| CAN communication system*2 | ||
| Check that the No. 1 luggage compartment room light assembly illuminates normally (if not, refer to Lighting System (INT) - Problem Symptoms Table) | ||
| Radio receiver assembly | ||
| The guide lines and buttons remain displayed even though the luggage compartment door is open | CAN communication system*1 | |
| CAN communication system*2 | ||
| Check that the No. 1 luggage compartment room light assembly illuminates normally (if not, refer to Lighting System (INT) - Problem Symptoms Table) | ||
| Radio receiver assembly | ||
| When adjusting the camera optical axis, "Back door is open. Do not use the rear view monitor when the back door is not completely closed." is displayed even after the luggage compartment door has been closed | CAN communication system*1 | |
| CAN communication system*2 | ||
| Check that the No. 1 luggage compartment room light assembly illuminates normally (if not, refer to Lighting System (INT) - Problem Symptoms Table) | ||
| Radio receiver assembly | ||
| "CHK" message(s) are displayed on the car signal check screen | Car signal check (diagnosis system) | |
| 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) |
*1: w/ Central Gateway ECU
*2: w/o Central Gateway ECU