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, first proceed with troubleshooting the navigation system Click here.
When replacing the navigation ECU sub-assembly, refer to Calibration 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 | Link |
|---|---|---|
| When the shift lever is in R, the parking assist monitor image is not displayed (screen is not black). | CAN communication system | |
| Navigation ECU sub-assembly | ||
| When the shift lever is in R, the parking assist monitor image is not displayed (screen is black). | Proceed to "Image from Camera for Parking Assist Monitor is Abnormal" | |
| Navigation ECU sub-assembly | ||
| When the shift lever is not in R, the parking assist monitor image is displayed. | CAN communication system | |
| Navigation ECU sub-assembly |
| Symptom | Suspected Area | Link |
|---|---|---|
| Image from the camera for the parking assist monitor is abnormal. | Proceed to "Image from Camera for Parking Assist Monitor is Abnormal" | |
| Estimated course lines are displayed with steering linked lines and fixed lines overlapping. | Proceed to "Guide Lines are Displayed with Vehicle Center Line" |
| Symptom | Suspected Area | Link |
|---|---|---|
| Estimated course guide lines are not displayed. | Parking assist monitor screen display mode settings. (Check if the parking guide lines are set to off.) | |
| Navigation ECU sub-assembly | ||
| "System initializing" is displayed. | Correct the steering angle neutral point | |
| "System initializing" is displayed even after correcting the steering angle neutral point. | Spiral with sensor cable sub-assembly | |
| Correct the steering angle neutral point | ||
| Steering angle setting (Calibration) | ||
| Navigation ECU sub-assembly | ||
| "System not ready" is displayed. | Parking assist monitor system initialization (Calibration) | |
| "System not ready" is displayed even after parking assist monitor system initialization. | Navigation ECU sub-assembly | |
| During parallel parking assist mode, the screen does not change even though the vehicle has moved. | If the vehicle is driven in reverse 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 has been stopped for a long time, the screen may change | - |
| Guide lines and buttons are not displayed for all parking assist monitor screen display modes. | CAN communication system | |
| Proceed to "Guide Lines and Buttons are not Displayed for All Display Modes" | ||
| The guide lines and buttons remain displayed even though the back door is open. | CAN communication system | |
| Proceed to "Guide Lines and Buttons are not Displayed for All Display Modes" | ||
| 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 back door has been closed. | CAN communication system | |
| Proceed to "Guide Lines and Buttons are not Displayed for All Display Modes" | ||
| "CHK" message(s) are displayed on the Car Signal Check screen. | Car signal check (Diagnosis) | |
| When the parking assist monitor screen is displayed, the lines are misaligned. (The image from the camera is tilted.) | Back camera position setting (Calibration) |