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.
Note
The following inspection procedures of the parking assist monitor system are described on the assumption that the navigation system is normal.
If any navigation system DTC is output, first proceed with troubleshooting of the navigation system.
| Symptom | Suspected Area | See page |
|---|---|---|
| When the shift lever is in R, the parking assist monitor image is not displayed (Screen is not black). | Television camera ECU power source circuit | |
| Reverse signal circuit | ||
| Television camera ECU | ||
| When the shift lever is in R, the parking assist monitor image is not displayed (Screen is black). | Display signal circuit between television camera ECU and multi-display | |
| Display signal circuit between television camera ECU and television camera assembly | ||
| Television camera assembly | ||
| Television camera ECU | ||
| When the shift lever is not in R, the parking assist monitor image is displayed. | Reverse signal circuit | |
| Television camera ECU | ||
| Manual assist mode screen is normal but pressing the switch to change to parallel parking assist mode does not change the screen. | Navigation ECU | |
| Television camera ECU | ||
| Problem with the parking assist monitor image (color, disorder of picture). | Display signal circuit between television camera ECU and television camera assembly | |
| Display signal circuit between television camera ECU and multi-display | ||
| Television camera assembly | ||
| Television camera ECU | ||
| Multi-display | ||
| When parking the vehicle with parallel parking assist mode, even if the vehicle starts to run, the screen does not change. | This may occur when reversing at very low speed. | - |
| "SYSTEM INITIALIZING" is displayed. | Correct the steering angle neutral point without fail. | |
| Projected course guidelines are not displayed. | CAN communication system | |
| Television camera ECU |