Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Diagnosis System

DIAGNOSIS SYSTEM

PARKING ASSIST MONITOR DIAGNOSIS SYSTEM

(a) For panoramic view monitor system diagnosis, signals received by the parking assist ECU can be checked, and the panoramic view monitor system can be calibrated, adjusted and checked using the radio and display receiver assembly.

NOTICE:

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.

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HINT:

The displayed screens and items may differ depending on vehicle specifications.

DIAGNOSIS SCREEN TRANSITION (VIEW ADJUSTMENT)

DIAGNOSIS SCREEN TRANSITION (STEERING ANGLE SETTING)

DIAGNOSIS SCREEN TRANSITION (BACK CAMERA SETTING)

DIAGNOSTIC MODE

(a) Diagnostic mode

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(b) Failure diagnosis

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(c) System check (check using system check mode screen)

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(d) Finish diagnostic mode.

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SIGNAL CHECK (parking assist ECU input signal)

(a) Start diagnostic mode.

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(1) Select "Function Check/Setting" on the "Service Menu" screen to display the "Function Check/Setting I" screen.

(2) Select "Camera Setting" on the "Function Check/Setting I" screen.

HINT:

After "Camera Setting" is selected, the screen transitions differ depending on whether initialization of the parking assist ECU was performed after parking assist ECU replacement.

(3) When the screen changes to the "Mode Setting" screen, select "View Adjustment" to display the "Signal Check" screen.

HINT:

To select a grayed out item, select and hold the item for 2 seconds or more.

(b) Signal check

(1) On the "Signal Check" screen, it is possible to inspect the state of signals sent to the parking assist ECU and check the settings.

HINT:

• When "CHK" (red) is displayed, perform inspections based on the result of the following inspections.
• If performing the adjustment after proceeding to the next screen, check that all items display "OK" (blue) before selecting "Next".

(c) CAN inspection

HINT:

If "CHK" (red) is displayed for "CAN", check for DTCs and perform troubleshooting based on the output DTCs.

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(d) SHIFT inspection

HINT:

If "CHK" (red) is displayed for "SHIFT", check for DTCs and perform troubleshooting based on the output DTCs.

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(e) CAMERA SW inspection

(1) Check that "OK" (blue) is displayed for "CAMERA SW" and select "OK".

HINT:

If "CHK" (red) remains displayed or the "CAMERA SW" inspection result is not normal, perform troubleshooting according to the Problem Symptoms Table ("CHK" message(s) are displayed on the "Signal Check" screen).

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(f) Finish diagnostic mode.

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CAMERA DETECTION SETTING

HINT:

Illustrations may differ from the actual vehicle screen depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle screen.

(a) Start diagnostic mode.

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(1) Select "Function Check/Setting" on the "Service Menu" screen to display the "Function Check/Setting I" screen.

(2) Select "Camera Setting" on the "Function Check/Setting I" screen.

(b) Camera Detection Setting

(1) Select "Camera Detection Setting" on the "Mode Setting " screen.

(2) Select ON or OFF on the "Camera Detection Setting" screen as necessary.

HINT:

After selecting ON or OFF, return to the "Mode Setting" screen by selecting "OK" or "Back".

(c) Finish diagnostic mode.

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CALIBRATION WHEN SERVICING VEHICLE

NOTICE:

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.

Click here