Toyota Avalon Service & Repair Manual: 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

A

USE SIMULATION METHOD TO CHECK

B

REPLACE PARKING ASSIST ECU

C

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 Service & Repair Manual > Sfi System: Internal Control Module Throttle Position Performance Internal Electronic Failure (P060E49)
    MONITOR DESCRIPTION The ECM monitors the signals received from the No. 1 throttle position sensor. As the ECM monitors the VTA1 signal of the No. 1 throttle position sensor, if these signals do not correlate, a DTC will be stored. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memor ...

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