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

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Panoramic View Monitor System(for Gasoline Model) / CAN Communication Failure (Message Registry) (U1000)

DESCRIPTION

If DTC U1000 is stored frequently, duplicate the problem symptoms and perform troubleshooting again even if the DTC is not output when rechecking for DTCs.

Parking Assist ECU

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
U1000	CAN Communication Failure (Message Registry)	ECU malfunction	Parking assist ECU	Parking assist ECU

Television Camera Assembly

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
U1000	CAN Communication Failure (Message Registry)	ECU malfunction	Television camera assembly	Television camera assembly

PROCEDURE

1.	CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Panoramic View Monitor > Clear DTCs Chassis > Parking Assist Camera > Clear DTCs

(b) Check for DTCs.

Chassis > Panoramic View Monitor > Trouble Codes Chassis > Parking Assist Camera > Trouble Codes

Result	Proceed to
No DTCs are output	A
DTC U1000 is output ("Panoramic View Monitor")	B
DTC U1000 is output ("Parking Assist Camera")	C

HINT:

If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even if the DTC was not output when rechecking for DTCs.

Click here

USE SIMULATION METHOD TO CHECK

REPLACE PARKING ASSIST ECU

REPLACE TELEVISION CAMERA ASSEMBLY

Lost Communication with ECM / PCM "A" (U0100,U0126,U0129,U0140,U0163,U0233)

Panoramic View Monitor System(for Hv Model)

See More:

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Front Power Seat Control System(for Hv Model With Memory): Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of ...

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

Lost Communication with ECM / PCM "A" (U0100,U0126,U0129,U0140,U0163,U0233)

Panoramic View Monitor System(for Hv Model)

See More:

Toyota Avalon (XX50) 2019-2022 Owners Manual

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