Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001C2N2
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 -           ]
Title: PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): PROBLEM SYMPTOMS TABLE; 2019 - 2022 MY Avalon HV [04/2018 -        ]

PROBLEM SYMPTOMS TABLE

NOTICE:

  • 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.

    Click here

    • *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"*1

2019 - 2022 MY Avalon HV [04/2018 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): Reverse Signal Circuit

Proceed to "Reverse Signal Circuit"*2

2019 - 2022 MY Avalon HV [04/2018 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): Reverse Signal Circuit

Radio and display receiver assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

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"

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): Black Screen

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

Proceed to "Reverse Signal Circuit"*1

2019 - 2022 MY Avalon HV [04/2018 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): Reverse Signal Circuit

Proceed to "Reverse Signal Circuit"*2

2019 - 2022 MY Avalon HV [04/2018 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): Reverse Signal Circuit

Radio and display receiver assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

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"*1

2019 - 2022 MY Avalon HV [04/2018 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): Reverse Signal Circuit

Proceed to "Reverse Signal Circuit"*2

2019 - 2022 MY Avalon HV [04/2018 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): Reverse Signal Circuit

Radio and display receiver assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

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"

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): 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)

-

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)

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): INITIALIZATION

Steering angle setting (Calibration)

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): CALIBRATION

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

Steering sensor

2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL 2022 MY Avalon Avalon HV [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL

Estimated course lines stop moving before the steering wheel is turned fully left.

Steering angle setting (Calibration)

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): CALIBRATION

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

2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; STEERING COLUMN: STEERING WHEEL: INSTALLATION 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]; STEERING COLUMN: STEERING WHEEL: INSTALLATION

Correct the steering angle neutral point (Initialization)

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): INITIALIZATION

Steering angle setting (Calibration)

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): CALIBRATION

Check that the television camera assembly is correctly installed

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): INSTALLATION

Back camera position setting (Calibration)

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): CALIBRATION

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

Steering sensor

2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL 2022 MY Avalon Avalon HV [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL

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)

2019 - 2022 MY Avalon HV [04/2018 -        ]; LIGHTING (INT): LIGHTING SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

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)

2019 - 2022 MY Avalon HV [04/2018 -        ]; LIGHTING (INT): LIGHTING SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

"!" mark is displayed.

Correct the steering angle neutral point (Initialization)

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): INITIALIZATION

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

Steering angle setting (Calibration)

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): CALIBRATION

Steering sensor

2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL 2022 MY Avalon Avalon HV [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

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)

2019 - 2022 MY Avalon HV [04/2018 -        ]; LIGHTING (INT): LIGHTING SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

"CHK" message(s) are displayed on the signal check screen

Signal check (Diagnosis system)

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): DIAGNOSIS SYSTEM

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)

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): CALIBRATION

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.

Proceed to "Touch Panel Switch does not Function"*1

2019 - 2022 MY Avalon HV [04/2018 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): Touch Panel Switch does not Function

Proceed to "Touch Panel Switch does not Function"*2

2019 - 2022 MY Avalon HV [04/2018 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): Touch Panel Switch does not Function

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

Radio and display receiver assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

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 "Touch Panel Switch does not Function"*1

2019 - 2022 MY Avalon HV [04/2018 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): Touch Panel Switch does not Function

Proceed to "Touch Panel Switch does not Function"*2

2019 - 2022 MY Avalon HV [04/2018 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): Touch Panel Switch does not Function

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

Radio and display receiver assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

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

Check the setting on the audio screen (General setting)

-

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

Radio and display receiver assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

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

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

Radio and display receiver assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

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

2019 - 2022 MY Avalon HV [04/2018 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): Display does not Dim when Light Control Switch is Turned ON

Proceed to "Display does not Dim when Light Control Switch is Turned ON"*2

2019 - 2022 MY Avalon HV [04/2018 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): Display does not Dim when Light Control Switch is Turned ON

Television camera assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: TELEVISION CAMERA(for Rear): REMOVAL

Radio and display receiver assembly

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

  • *1: w/ Navigation System
  • *2: w/o Navigation System