Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: CAN Communication Failure (Message Registry) (U1000)

DESCRIPTION

This DTC is stored when the television camera assembly judges that it has an internal CAN malfunction.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U1000	CAN Communication Failure (Message Registry)	Can communication failure (message registry)	Television camera assembly

PROCEDURE

1.	CHECK DTC OUTPUT

(a) Clear the DTCs.

Chassis > Parking Assist Camera > Clear DTCs

(b) Recheck for DTCs and check that no DTCs are output.

Chassis > Parking Assist Camera > Trouble Codes

HINT:

If the DTC is not output again when rechecking for DTCs, it may have been stored due to a temporary CAN malfunction.
If DTC U1000 is stored frequently but is not output when rechecking for DTCs, attempt to reproduce the conditions when the malfunction occurred.
Click here

Result	Proceed to
DTC U1000 is output	A
DTC U1000 is not output	B

REPLACE TELEVISION CAMERA ASSEMBLY

USE SIMULATION METHOD TO CHECK

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Navigation System(for Gasoline Model): Panel Switches do not Function
CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System. Click here When replacing the radio and display receiver assembly, alway ...

Toyota Avalon (XX50) 2019-2022 Owners Manual