Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Lost Communication with Driving Support ECU (U1104)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / Cruise Control / Lane Departure Alert System (w/ Steering Control)(for Gasoline Model) / Lost Communication with Driving Support ECU (U1104)

DESCRIPTION

The forward recognition camera communicates with the driving support ECU assembly via CAN communication. If there is a communication error with the driving support ECU assembly, the forward recognition camera store DTC U1104.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U1104

Lost Communication with Driving Support ECU

2 seconds after the engine switch is turned on (IG), a communication error between the driving support ECU assembly and the forward recognition camera is detected for approximately 5 seconds.

Front camera system

PROCEDURE

1.

GO TO FRONT CAMERA SYSTEM (U1104)

HINT:

If DTC U1104 is output by the lane departure alert system (w/ steering control), perform troubleshooting for the front camera system.

Click here

NEXT

END
    Lost Communication with Cruise Control Front Distance Range Sensor (U0235)

    Lane Departure Alert System (w/ Steering Control)(for Hv Model)

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