Toyota Tundra Service Manual > Occupant Classification System: Rear Occupant Classification Sensor LH Collision Detection (B1787)
DESCRIPTION DTC B1787 is set when the occupant classification ECU receives a collision detection signal, which is sent by the rear occupant detection sensor LH when an accident occurs. DTC B1787 is also set when the front seat frame with adjuster RH is subjected to a strong impact, even if an actual ...