Toyota Avalon Service & Repair Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

  • The following inspection procedure of the panoramic view monitor system is described on the assumption that the navigation system is normal. If the navigation system has any malfunction, first proceed with troubleshooting of the navigation system.
  • 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 panoramic view monitor system may be needed.

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.

General

Symptom

Suspected Area

Link

Display does not switch when the panoramic view monitor switch is pressed.

Refer to "Panoramic View Screen Description" in system description

Proceed to "ECU Power Source Circuit"

Diagnostic mode - Signal connection check (CAMERA SW check)

Replace parking assist ECU

Display 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 (SHIFT check)

Replace parking assist ECU

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 Panoramic View Monitor is Abnormal"

Display does not switch to the see through view screen or moving view screen when the panoramic view monitor switch is pressed.

Refer to "Panoramic View Screen Description" in system description

Diagnostic mode - Signal connection check (CAN check)

Diagnostic mode - Signal connection check (CAMERA SW check)

Replace parking assist ECU

Image not displayed on the see through view screen or moving view screen when the panoramic view monitor switch is pressed.

Proceed to "Image from Camera for Panoramic View 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 is pressed.

Proceed to Description "Panoramic View Monitor Screen Display Conditions"

Diagnostic mode - Signal connection check (CAN check)

Diagnostic mode - Signal connection check (CAMERA SW check)

Replace parking assist ECU

Image not displayed on the panoramic view and wide front view screen or the two-side view screen when the panoramic view monitor switch is pressed.

Proceed to "Image from Camera for Panoramic View Monitor is Abnormal"

Display Malfunction

Symptom

Suspected Area

Link

Objects not displayed correctly on the panoramic view monitor screen (color, distorted image).

Proceed to "Image from Camera for Panoramic View Monitor is Abnormal"

Distorted display on panoramic view screen.

Camera view adjustment (calibration)

Replace parking assist ECU

Parking lines do not match at front and rear on panoramic view screen.

Camera view adjustment (calibration)

Replace parking assist ECU

Partial black screen on panoramic view screen.

Proceed to "Image from Camera for Panoramic View Monitor is Abnormal"

Camera view adjustment (calibration)

Replace parking assist ECU

Area displayed differs from the actual area.

Ensure no door is opened

-

Camera view adjustment (calibration)

Replace parking assist ECU

Switch Function

Symptom

Suspected Area

Link

Panoramic view monitor switch night illumination does not illuminate.

Inspect panoramic view monitor switch

Harness or connector

-

The touch function of the screen does not operate for any system.

Proceed to "Touch Panel Switch does not Function"

Replace parking assist ECU

Radio and display receiver assembly

The touch function of the screen does not operate for the panoramic view monitor system.

Replace parking assist ECU

Radio and display receiver assembly

Panoramic View Monitor System Function

Symptom

Suspected Area

Link

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.

Replace parking assist ECU

The screen display timer function does not operate if the manual display mode is selected.

Refer to "Panoramic View Screen Description" in system description

Replace parking assist ECU

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)

Replace parking assist ECU

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

Steering angle setting (calibrate stored maximum steering angle)

"!" is displayed and estimated course lines are not displayed.

Check if the luggage compartment door is not open

-

Replace parking assist ECU

Replace radio and display receiver assembly

Estimated course lines are not displayed.

Check the panoramic view monitor screen display mode settings (Check if the estimated course lines display is set to off)

Replace parking assist ECU

"!" is displayed.

Store the steering angle sensor steering neutral point

"!" remains displayed after the steering neutral point is stored.

Adjust steering angle

Replace steering sensor

Replace parking assist ECU

"!" is displayed and all the buttons on the screen are grayed out.

Camera view adjustment (calibration)

Adjust steering angle

Refer to Navigation System

"!" is displayed and all the buttons on the screen are grayed out even after parking assist ECU initialization has been completed.

Replace parking assist ECU

Refer to Navigation System

Guide lines and buttons are not displayed on the panoramic view and rear view screen display screen.

Check if the luggage compartment door is not open

-

Check if the luggage compartment light turns on and off normally (If not, refer to Lighting System (Interior) - Problem Symptoms Table)

Replace parking assist ECU

"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.

Camera view adjustment (calibration)

Estimated course lines are displaced.

Camera view adjustment (calibration)

Adjust steering angle

All buttons on the panoramic view monitor are continuously grayed out

Refer to Navigation System

Rear Camera Detection Function Malfunction

Symptom

Suspected Area

Link

When the parking assist monitor screen is displayed, "RCD unavailable" is displayed.

Correct the steering angle neutral point (Initialization)

Blind spot monitor system

Television camera assembly

When the parking assist monitor screen is displayed, "RCD malfunction. Visit your dealer" is displayed.

Television camera assembly

The indicator does not respond when the mute switch is pushed.

Proceed to "Touch Panel Switch does not Function"

Television camera assembly

Replace parking assist ECU

Radio and display receiver assembly

When there is a pedestrian in the detection area, no pedestrian is detected.

Refer to "Notes for Rear Camera Detection Function" in precaution

Perform calibration

Television camera assembly

When there is no pedestrian in the detection area, a pedestrian is detected.

Refer to "Notes for Rear Camera Detection Function" in precaution

Perform calibration

Television camera assembly

A pedestrian who is in the absolute no detection area* is detected.

Perform calibration

Television camera assembly

A pedestrian is only detected when they are in the absolute detection area*.

Perform calibration

Television camera assembly

  • *: Refer to "Operation Explanation" in system description

    Click here

    Precaution

    System Description

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