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 the 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.
Note
The following inspection procedure of the multi-terrain monitor system is described on the assumption that the navigation system is normal. If navigation system has any malfunction, first proceed with troubleshooting of the navigation system.
| Symptom | Suspected Area | See page |
|---|---|---|
| Screen does not switch when the panoramic view monitor switch (multi-terrain monitor switch) is pressed. | Refer to "Multi-terrain Monitor Screen Description" in system description | |
| Proceed to "ECU Power Source Circuit" | ||
| Diagnostic mode - Signal connection check (CAMERA SW check) | ||
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| Does not switch to the panoramic view and rear view screen, wide rear view screen, or narrow rear view screen when the shift lever is in R. | Diagnostic mode - Signal connection check (CAN check) | |
| CAN Communication System | ||
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| Image not displayed on the panoramic view and rear view screen, wide rear view screen or narrow rear view screen when the shift lever is in R. | Proceed to "Image from Camera for Multi-terrain Monitor is Abnormal" | |
| Display does not switch to the panoramic view and wide front view screen or the two-side view screen when the panoramic view monitor switch (multi-terrain monitor switch) is pressed. | Refer to "Multi-terrain Monitor Screen Description" in system description | |
| Diagnostic mode - Signal connection check (CAN check) | ||
| Diagnostic mode - Signal connection check (CAMERA SW check) | ||
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| Image not displayed on the panoramic view and wide front view screen or the two-side view screen when the panoramic view monitor switch (multi-terrain monitor switch) is pressed. | Proceed to "Image from Camera for Multi-terrain Monitor is Abnormal" | |
| Display does not switch to the retracted screen when the outer mirrors are retracted. | Diagnostic mode - Signal connection check (CAN check) | |
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| Display does not switch from the retracted screen when the outer mirrors are not in the retracted position. | Diagnostic mode - Signal connection check (CAN check) | |
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) |
| Symptom | Suspected Area | See page |
|---|---|---|
| Objects not displayed correctly on the multi-terrain monitor screen (color, distorted image). | Proceed to "Image from Camera for Multi-terrain Monitor is Abnormal" | |
| Distorted display on multi-terrain monitor screen. | Camera view adjustment (calibration) | |
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| Parking lines do not match at front and rear on multi-terrain monitor screen. | Camera view adjustment (calibration) | |
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| Partial black screen on multi-terrain monitor screen. | Camera view adjustment (calibration) | |
| Proceed to "Image from Camera for Multi-terrain Monitor is Abnormal" | ||
| Area displayed differs from the actual area. | Ensure no door is opened | - |
| Camera view adjustment (calibration) | ||
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) |
| Symptom | Suspected Area | See page |
|---|---|---|
| Panoramic view monitor switch (multi-terrain monitor switch) night illumination does not illuminate. | Panoramic view monitor switch (multi-terrain monitor switch) | |
| Harness or connector | - | |
| Touch panel switch does not function. | Diagnostic mode - "Touch Switch Check" | |
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| Navigation receiver assembly (for Navigation Receiver Type) | ||
| Radio and display receiver assembly (for Radio and Display Type) |
| Symptom | Suspected Area | See page |
|---|---|---|
| When the vehicle speed increases in the automatic display mode, the panoramic view and wide front view screen or the two-side view screen remains displayed, without switching to the navigation screen. | Parking assist ECU (for LHD) | |
| Parking assist ECU (for RHD) | ||
| The screen display timer function does not operate if the manual display mode is selected. | Refer to "Multi-terrain Monitor Screen Description" in system description | |
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| The estimated course lines do not match the vehicle width extension lines when the steering wheel points straight ahead. | Check the steering wheel installation angle | |
| Adjust steering angle | ||
| Camera view adjustment (calibration) | ||
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| Estimated course lines stop moving before the steering wheel is turned fully left. | Steering angle setting (calibrate stored maximum steering angle) | |
| Estimated course lines are not displayed. | Check the multi-terrain monitor screen display mode settings (Check if the estimated course lines display is set to off) | |
| Adjust steering angle | ||
| Camera view adjustment (calibration) | ||
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| Guide lines and buttons are not displayed on the panoramic view and rear view screen or wide rear view screen display screen. | Check if the no. 2 room light assembly turns on and off normally (If not, refer to Lighting System (INT) - Problem Symptoms Table) | |
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| "CHK" is displayed for an item on the Vehicle Signal Check screen. | Diagnostic mode - Signal connection check | |
| Blind spots in image. | Ensure no door is opened | - |
| Camera view adjustment (calibration) | ||
| Camera boundary lines are poorly connected. | Check the vehicle height normal status | - |
| Camera view adjustment (calibration) | ||
| Estimated course lines are displaced. | Camera view adjustment (calibration) | |
| Adjust steering angle | ||
| Vehicle is tilted, but tilt meter does not move | Refer to "Multi-terrain Monitor Screen Description" in system description | |
| Parking assist ECU (for LHD) | ||
| Parking assist ECU (for RHD) | ||
| Under floor view are not displayed. | Refer to "Multi-terrain Monitor Screen Description" in system description |