DESCRIPTION This DTC is stored when a beam axis inspection has not been performed for the blind spot monitor sensor LH. HINT: This DTC is always stored after replacing a blind spot monitor sensor. The purpose of this DTC is to ensure that a beam axis inspection is performed. Completing the beam axis inspection after replacing a blind spot monitor sensor prevents this DTC from being output.
PROCEDURE
(a) Change the blind spot monitor sensor LH to Test Mode using the Techstream. HINT: Refer to Blind Spot Monitor Beam Axis Inspection. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Occupant Classification System(for Hv Model): Rear Occupant Classification Sensor LH Collision Detection (B1787)
DESCRIPTION DTC B1787 is stored when the occupant detection ECU receives a collision detection signal sent by the rear occupant classification sensor LH in the case of an accident. DTC B1787 is also stored when the front seat assembly RH is subjected to a strong impact, even if an actual accident di ...
