Toyota Sienna Service Manual: Precaution

Toyota Sienna Service Manual / Supplemental restraint system / Occupant classification system / Precaution

1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT

Perform the zero point calibration and sensitivity check if any of the following conditions occur.

The occupant classification ECU is replaced.
Accessories (seatback tray and seat cover, etc.) are installed.
The front passenger seat is removed from the vehicle.
The passenger airbag ON/OFF indicator ("OFF") comes on when the front passenger seat is not occupied.
The vehicle is brought to the workshop for repair due to an accident or a collision.

NOTICE: When an accident vehicle is brought into the workshop for repair, check the flatness of the body side that is equipped with the passenger seat. If the flatness is not within +- 3.0 mm (0.118 in.), adjust it to the specified range.

PARTS LOCATION

PARTS LOCATION

SYSTEM DIAGRAM

SYSTEM DIAGRAM

Occupant classification system

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System description

1. DESCRIPTION OF OCCUPANT CLASSIFICATION SYSTEM GENERAL DESCRIPTION. In the occupant classification system, the occupant classification ECU calculates the weight of the occu ...

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