Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Lost Communication with Restraints Occupant Classification System Module (U0154)

DESCRIPTION

The airbag ECU assembly sends/receives signals to/from each ECU via CAN communication.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Test Mode / Check Mode
U0154	Lost Communication with Restraints Occupant Classification System Module	CAN communication error between the airbag ECU assembly and occupant detection ECU (CAN communication system malfunction)	CAN communication system	Comes on	Does not apply to test/check mode

CAUTION / NOTICE / HINT

Refer to troubleshooting in CAN Communication System.

Click here

PROCEDURE

1.	GO TO CAN COMMUNICATION SYSTEM

(a) Go to CAN communication system.

Click here

END

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Pre-collision System(for Hv Model): Driving Support ECU (C1A01)
DESCRIPTION The driving support ECU assembly uses the millimeter wave radar sensor assembly to detect objects in front of the vehicle. Based on signals from the millimeter wave radar sensor assembly, the driving support ECU assembly calculates the possibility of a collision and operates the pre-coll ...

Toyota Avalon (XX50) 2019-2022 Owners Manual