CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Check for foreign matter around the switches that might prevent operation. OK: No foreign matter is found.
(b) Operate the abnormal switch and check if the switch status is correctly displayed. OK: The switch status is correctly displayed as operated.
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Toyota Avalon Service & Repair Manual > Lighting System(for Hv Model With Cornering Light): CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION The headlight ECU sub-assembly LH or headlight ECU sub-assembly RH stores this DTC if it detects an internal malfunction related to the CAN communication system. HL AutoLeveling DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U1000 CAN Communication Failure (M ...