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

DESCRIPTION

When the clearance warning ECU assembly determines that the CAN communication circuit is malfunctioning during self diagnosis, DTC U1000 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U1000

CAN Communication Failure (Message Registry)

CAN communication circuit malfunction is detected

Clearance warning ECU assembly

PROCEDURE

1.

CHECK FOR DTC

(a) Using the Techstream, check for DTCs according to the prompts on the screen.

HINT:

After turning the engine switch from off to on (IG), wait 10 seconds or more before checking for DTCs.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

(b) Clear the DTCs according to the screen on the Techstream.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs

(c) Recheck for DTCs.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

OK:

DTC U1000 is not output.

HINT:

  • If DTC U1000 is not output after clearing the DTCs, an intermittent CAN communication circuit malfunction is suspected.
  • If DTC U1000 is output frequently, replace the clearance warning ECU assembly, even though the DTC was not output when rechecking for DTCs.

    Click here

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE CLEARANCE WARNING ECU ASSEMBLY

    Lost Communication with Blind Spot Monitor Slave Module (U0232,U0233)

    Utility

    See More:

    Toyota Avalon Service & Repair Manual > Power Window Control System(for Hv Model): Rear Power Window RH does not Operate with Rear Power Window Switch RH
    DESCRIPTION When the power switch is on (IG), the power window regulator motor assembly (for rear RH door) is operated by the rear power window regulator switch assembly (for RH door). The power window regulator motor assembly (for rear RH door) has motor, regulator, and ECU functions. WIRING DIAGRA ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2020 Copyright www.tavalon.net
    0.0299