Problem Symptoms Table [06/2018 - 09/2022]
WARNING: This page is about a different car, the 2022 Lexus ES 300h, 2021 Lexus ES 300h, 2020 Lexus ES 300h, and 2019 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- The following inspection procedures for the parking assist monitor system are based on the assumption that the audio and visual system*1 or navigation system*2 is normal. If the audio and visual system*1 or navigation system*2 has any malfunctions, first proceed with troubleshooting the audio and visual system*1 or navigation system*2.
- 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.
Refer to CALIBRATION [06/2018 - 09/2022]
- *1: w/o Navigation System
- *2: w/ Navigation System
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.
GENERAL
| Symptom | Suspected Area | Link |
|---|---|---|
| When the shift lever is in R, an image of the area behind the vehicle is not displayed (screen is not black) | Proceed to "Reverse Signal Circuit" | Refer to Reverse Signal Circuit [06/2018 - 09/2022] |
| Multi-display assembly | Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022] | |
| When the shift lever is in R, an image of the area behind the vehicle is not displayed (screen is black) | Proceed to "Black Screen" | Refer to Black Screen [06/2018 - 09/2022] |
| Multi-display assembly | Refer to Reverse Signal Circuit [06/2018 - 09/2022] | |
| When the shift lever is not in R, an image of the area behind the vehicle is displayed | Proceed to "Reverse Signal Circuit" | Refer to Reverse Signal Circuit [06/2018 - 09/2022] |
| Multi-display assembly | Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022] | |
| When the shift lever is in R, an image of the area behind the vehicle is displayed and then switches to another image | Proceed to "Reverse Signal Circuit" | Refer to Reverse Signal Circuit [06/2018 - 09/2022] |
| Multi-display assembly | Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022] |
DISPLAY MALFUNCTION
| 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" | Refer to Image from Camera for Parking Assist Monitor is Abnormal [06/2018 - 09/2022] |
| 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) | - |
PARKING ASSIST MONITOR SYSTEM MALFUNCTION
| 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) | - |
| Correct the steering angle neutral point (Initialization) | Refer to INITIALIZATION [06/2018 - 09/2022] | |
| Steering angle setting (Calibration) | Refer to CALIBRATION [06/2018 - 09/2022] | |
| Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] | |
| Steering sensor | Refer to REMOVAL [06/2018 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] | |
| Estimated course lines stop moving before the steering wheel is turned fully left. | Steering angle setting (Calibration) | Refer to CALIBRATION [06/2018 - 09/2022] |
| The estimated course lines do not match the vehicle width extension lines when the steering wheel points straight ahead. | Check the installation of steering wheel | Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] |
| Correct the steering angle neutral point (Initialization) | Refer to INITIALIZATION [06/2018 - 09/2022] | |
| Steering angle setting (Calibration) | Refer to CALIBRATION [06/2018 - 09/2022] | |
| Check that the rear television camera assembly is correctly installed | Refer to INSTALLATION [06/2018 - 09/2022] | |
| Back camera position setting (Calibration) | Refer to CALIBRATION [06/2018 - 09/2022] | |
| Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] | |
| Steering sensor | Refer to REMOVAL [06/2018 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] | |
| The guide lines are not displayed even though the luggage compartment door is closed | Check that the No. 1 luggage compartment light assembly illuminates normally (if not, refer to Lighting System (INT) - Problem Symptoms Table) | Refer to PROBLEM SYMPTOMS TABLE [06/2018 - ] |
| Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] | |
| The guide lines remain displayed even though the luggage compartment door is open | Check that the No. 1 luggage compartment light assembly illuminates normally (if not, refer to Lighting System (INT) - Problem Symptoms Table) | Refer to PROBLEM SYMPTOMS TABLE [06/2018 - ] |
| Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] | |
| "!" mark is displayed. | Correct the steering angle neutral point (Initialization) | Refer to INITIALIZATION [06/2018 - 09/2022] |
| "!" mark remains displayed after the steering neutral point is corrected. | Steering angle setting (Calibration) | Refer to CALIBRATION [06/2018 - 09/2022] |
| Steering sensor | Refer to REMOVAL [06/2018 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] | |
| Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] | |
| 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 has been closed | Check that the No. 1 luggage compartment light assembly illuminates normally (if not, refer to Lighting System (INT) - Problem Symptoms Table) | Refer to PROBLEM SYMPTOMS TABLE [06/2018 - ] |
| Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] | |
| "CHK" message(s) are displayed on the signal check screen | Signal check (Diagnosis system) | Refer to DIAGNOSIS SYSTEM [06/2018 - 09/2022] |
| 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) | Refer to CALIBRATION [06/2018 - 09/2022] |
OTHERS
| 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. | Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] |
| Proceed to "Remote Touch Function" in Audio and Visual System*1 | Refer to OPERATION CHECK [06/2018 - 10/2019] , or refer to OPERATION CHECK [10/2019 - 08/2021] , or refer to OPERATION CHECK [08/2021 - 09/2022] | |
| Proceed to "Remote Touch Function" in Navigation System*2 | Refer to OPERATION CHECK [06/2018 - 10/2019] , or refer to OPERATION CHECK [10/2019 - 08/2021] , or refer to OPERATION CHECK [08/2021 - 09/2022] | |
| Multi-display assembly | Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022] | |
| 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) | - |
| Proceed to "Remote Touch Function" in Audio and Visual System*1 | Refer to OPERATION CHECK [06/2018 - 10/2019] , or refer to OPERATION CHECK [10/2019 - 08/2021] , or refer to OPERATION CHECK [08/2021 - 09/2022] | |
| Proceed to "Remote Touch Function" in Navigation System*2 | Refer to OPERATION CHECK [06/2018 - 10/2019] , or refer to OPERATION CHECK [10/2019 - 08/2021] , or refer to OPERATION CHECK [08/2021 - 09/2022] | |
| Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] | |
| Multi-display assembly | Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022] | |
| The language of the messages displayed on the parking assist monitor screen cannot be changed. | Check the setting on the audio screen (General setting) | - |
| Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] | |
| Multi-display assembly | Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022] | |
| The switches displayed on the parking assist monitor screen are grayed out. | Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] |
| Multi-display assembly | Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022] | |
| 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 "Display does not Dim when Light Control Switch is Turned ON"*1 | Refer to Display does not Dim when Light Control Switch is Turned ON [06/2018 - 09/2022] | |
| Proceed to "Display does not Dim when Light Control Switch is Turned ON"*2 | Refer to Display does not Dim when Light Control Switch is Turned ON [06/2018 - 09/2022] | |
| Rear television camera assembly | Refer to REMOVAL [06/2018 - 09/2022] | |
| Multi-display assembly | Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022] |
- *1: w/o Navigation System
- *2: w/ Navigation System