Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Problem Symptoms Table

When the shift lever is in R, the parking assist monitor image is not displayed (screen is not black).

Proceed to "Reverse Signal Circuit"

Multi-display 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"

Multi-display assembly

When the shift lever is not in R, an image of the area behind the vehicle is displayed

Proceed to "Reverse Signal Circuit"

Multi-display assembly

When the shift position is in R, an image of the area behind the vehicle is displayed and then switches to another image

Proceed to "Reverse Signal Circuit"

Multi-display assembly

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)

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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)

Steering angle setting (calibration)

Rear television camera assembly

Steering sensor

The estimated course lines stop moving before the steering wheel is fully turned to the right or left

Steering angle setting (calibration)

The vehicle width guide lines and estimated course lines do not match when the steering wheel is turned to the center position

Check the installation of steering wheel

Correct the steering angle neutral point (initialization)

Steering angle setting (calibration)

Check that the rear television camera assembly is correctly installed

Back camera position setting (calibration)

Rear television camera assembly

Steering sensor

The guide lines are not displayed even though the back door is closed

Check that the No. 1 luggage compartment light assembly illuminates normally (if not, refer to Lighting System (INT) - Problem Symptoms Table)

Rear television camera assembly

The guide lines remain displayed even though the back door is open

Check that the No. 1 luggage compartment light assembly illuminates normally (if not, refer to Lighting System (INT) - Problem Symptoms Table)

Rear television camera assembly

"!" is displayed.

Correct the steering angle neutral point (initialization)

"!" mark remains displayed after the steering neutral point is corrected.

Steering angle setting (calibration)

Steering sensor

Rear television camera assembly

Guide lines and buttons are not displayed for all parking assist monitor screen display modes.

CAN communication system

Proceed to "Back Door Courtesy Light Switch Circuit" in Lighting System (INT)

Rear television camera assembly

The guide lines and buttons remain displayed even though the back door is open.

CAN communication system

Proceed to "Back Door Courtesy Light Switch Circuit" in Lighting System (INT)

Rear television camera assembly

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 back door has been closed

Check that the No. 1 luggage compartment light assembly illuminates normally (if not, refer to Lighting System (INT) - Problem Symptoms Table)

Rear television camera assembly

"CHK" message(s) are displayed on the Signal Check screen.

Signal check (diagnosis system)

When the parking assist monitor screen is displayed, the lines are misaligned. (The image from the camera is tilted.)

Back camera position setting (calibration)

A switch displayed on the parking assist monitor screen does not respond when pushed, or a switch other than the pushed switch responds.

Proceed to "Remote Touch Function" in Navigation System*1

Proceed to "Remote Touch Function" in Audio and Visual System (for 8 Inch Display)*2

Proceed to "Remote Touch Function" in Audio and Visual System (for 12.3 Inch Display)*3

Rear television camera assembly

Multi-display assembly

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)

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Proceed to "Remote Touch Function" in Navigation System*1

Proceed to "Remote Touch Function" in Audio and Visual System (for 8 Inch Display)*2

Proceed to "Remote Touch Function" in Audio and Visual System (for 12.3 Inch Display)*3

Rear television camera assembly

Multi-display assembly

The language of the messages displayed on the parking assist monitor screen cannot be changed.

Check the setting on the audio screen (general setting)

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Rear television camera assembly

Multi-display assembly

The switches displayed on the parking assist monitor screen are grayed out.

Rear television camera assembly

Multi-display assembly

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)

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Proceed to "Remote Touch Function" in Navigation System*1

Proceed to "Remote Touch Function" in Audio and Visual System (for 8 Inch Display)*2

Proceed to "Remote Touch Function" in Audio and Visual System (for 12.3 Inch Display)*3

Rear television camera assembly

Multi-display assembly