OPERATION CHECK CHECK LANE DEPARTURE ALERT MAIN SWITCH (STEERING PAD SWITCH ASSEMBLY) (a) Check the lane departure alert main switch (steering pad switch assembly) on/off operation. (1) Turn the power switch on (IG). (2) Confirm that the lane departure alert indicator (white) in the combination meter assembly illuminates or turns off when the lane departure alert main switch (steering pad switch assembly) is pressed. HINT: The ON/OFF status of the lane departure alert system (w/ steering control) remains unchanged when the power switch is turned off and back to on (IG). 
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Wiper And Washer System(for Gasoline Model): Lost Communication with Wiper System LIN BUS (B1373)
DESCRIPTION The main body ECU (multiplex network body ECU) and windshield wiper motor assembly communicate via LIN communication. The main body ECU (multiplex network body ECU) stores this DTC if communication becomes abnormal. DTC No. Detection Item DTC Detection Condition Trouble Area Memory DTC O ...
