Toyota Avalon Service & Repair Manual: CAN Communication Failure (Message Registry) (U1000)

Toyota Avalon 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.

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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)

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Toyota Avalon 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 Owners Manual

Toyota Avalon Service & Repair Manual