DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera.
WIRING DIAGRAM PROCEDURE
(a) Check front camera system. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Airbag System(for Gasoline Model): Driver Side Seat Position Sensor (B1653)
DESCRIPTION The seat position airbag sensor circuit consists of the airbag ECU assembly and seat position airbag sensor. DTC B1653 is stored when a malfunction is detected in the seat position airbag sensor circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mo ...