REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during front bumper assembly removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
HINT: If the front bumper has been damaged or deformed due to an accident or contact with an object, etc., or the bumper installation area of the vehicle body has been repaired, it is necessary to perform millimeter wave radar sensor adjustment. Click here PROCEDURE 1. REMOVE COOL AIR INTAKE DUCT SEAL
(b) Disengage the guide and remove the cool air intake duct seal as shown in the illustration.
2. REMOVE FRONT BUMPER ASSEMBLY (a) Apply protective tape around the front bumper assembly as shown in the illustration.
(e) Disengage the 4 claws as shown in the illustration.
HINT: Use the same procedure for the RH side and LH side.
(g) w/ Intuitive Parking Assist System: (1) Disconnect the connector.
(i) Disengage the 2 guides to remove the front bumper assembly as shown in the illustration.
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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 ...