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

PRECAUTION

PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected.

System Name	See Procedure
Lane Departure Alert System (w/ Steering Control)
Intelligent Clearance Sonar System
Parking Assist Monitor System
Panoramic View Monitor System
Pre-collision System
Lighting System (for Gasoline Model with Cornering Light)

ADAPTIVE VARIABLE SUSPENSION SYSTEM PRECAUTION

NOTICE:

Performing work after replacing the absorber control ECU with a normally functioning one from another vehicle may result in DTCs being stored, or have a negative effect on other systems. When replacing the absorber control ECU, be sure to install a new one.
After replacing the absorber control ECU with a new one, perform registration of vehicle identification information.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Hv Model): Parking Assist ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Parking Assist ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "Panoramic View Monitor / Circumference Monitoring Camera Control Module" is indicated on the "Communication Bus Check" screen of the Techstream. ...

Toyota Avalon (XX50) 2019-2022 Owners Manual