Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000018J4S
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: PROBLEM SYMPTOMS TABLE; 2018 - 2020 MY Sienna [11/2017 -        ]

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.
  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occurs:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly may not operate normally.

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 pattern select switch assembly is pressed.

Refer to "Panoramic View Screen Description" in system description

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: SYSTEM DESCRIPTION

Proceed to "ECU Power Source Circuit"

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: ECU Power Source Circuit

Diagnostic mode - Signal connection check (CAMERA SW check)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: DIAGNOSIS SYSTEM

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

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)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: DIAGNOSIS SYSTEM

Check parking assist ECU (Reverse signal)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

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"

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: 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 pattern select switch assembly is pressed.

Refer to "Panoramic View Screen Description" in system description

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: SYSTEM DESCRIPTION

Diagnostic mode - Signal connection check (CAN check)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: DIAGNOSIS SYSTEM

Diagnostic mode - Signal connection check (CAMERA SW check)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: DIAGNOSIS SYSTEM

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

Image not displayed on the see through view screen or moving view screen when the pattern select switch assembly is pressed.

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

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: 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 pattern select switch assembly is pressed.

Proceed to Description "Panoramic View Monitor Screen Display Conditions"

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: SYSTEM DESCRIPTION

Diagnostic mode - Signal connection check (CAN check)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: DIAGNOSIS SYSTEM

Diagnostic mode - Signal connection check (CAMERA SW check)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: DIAGNOSIS SYSTEM

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

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

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

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: Image from Camera for Panoramic View Monitor is Abnormal

Display does not switch to the retracted screen when the outer mirrors are retracted.

Diagnostic mode - Signal connection check (CAN check)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: DIAGNOSIS SYSTEM

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

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)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: DIAGNOSIS SYSTEM

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: TERMINALS OF ECU

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"

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: Image from Camera for Panoramic View Monitor is Abnormal

Distorted display on panoramic view screen.

Camera view adjustment (calibration)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

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

Camera view adjustment (calibration)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

Partial black screen on panoramic view screen.

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

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: Image from Camera for Panoramic View Monitor is Abnormal

Camera view adjustment (calibration)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Area displayed differs from the actual area.

Ensure no door is opened

-

Camera view adjustment (calibration)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

Switch Function

Symptom

Suspected Area

Link

Pattern select switch assembly night illumination does not illuminate.

Inspect pattern select switch assembly

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SWITCH: INSPECTION

Harness or connector

-

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

Proceed to "Touch Panel Switch does not Function"

2018 - 2020 MY Sienna [11/2017 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Touch Panel Switch does not Function

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

Radio and display receiver assembly

2018 - 2020 MY Sienna [11/2017 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

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

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

Radio and display receiver assembly

2018 - 2020 MY Sienna [11/2017 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

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

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

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

Refer to "Panoramic View Screen Description" in system description

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: SYSTEM DESCRIPTION

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

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

2016 - 2020 MY Sienna [12/2015 -        ]; STEERING COLUMN: STEERING WHEEL: INSTALLATION

Adjust steering angle

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Camera view adjustment (calibration)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

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

Steering angle setting (calibrate stored maximum steering angle)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

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

Check if the back door is not open

-

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

Replace radio and display receiver assembly

2018 - 2020 MY Sienna [11/2017 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

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)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: SYSTEM DESCRIPTION

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

"!" is displayed.

Store the steering angle sensor steering neutral point

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: INITIALIZATION

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

Adjust steering angle

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Replace steering sensor

2018 - 2020 MY Sienna [11/2017 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

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

Camera view adjustment (calibration)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Adjust steering angle

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Refer to Navigation System

2018 - 2020 MY Sienna [11/2017 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

"!" 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

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

Refer to Navigation System

2018 - 2020 MY Sienna [11/2017 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

Guide lines and buttons are not displayed on the panoramic view and rear view screen, wide rear view screen, or narrow rear view screen display screen.

Check if the back door is not open

-

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

2017 - 2020 MY Sienna [08/2016 -        ]; LIGHTING (INT): LIGHTING SYSTEM: PROBLEM SYMPTOMS TABLE

Replace parking assist ECU

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST ECU: REMOVAL

"CHK" is displayed for an item on the Vehicle Signal Check screen.

Diagnostic mode - Signal connection check

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: DIAGNOSIS SYSTEM

Blind spots in image.

Ensure no door is opened

-

Camera view adjustment (calibration)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Camera boundary lines are poorly connected.

Camera view adjustment (calibration)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Estimated course lines are displaced.

Camera view adjustment (calibration)

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

Adjust steering angle

2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

All buttons on the panoramic view monitor are continuously grayed out

Refer to Navigation System

2018 - 2020 MY Sienna [11/2017 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING