Lexus NX: System Description
SYSTEM DESCRIPTION
GENERAL
(a) In the occupant classification system, the occupant detection ECU calculates the weight of the occupant based on signals from the occupant classification sensors. This system recognizes the occupant as a child if it detects a weight of less than 17 kg (37.4 lb) on the front passenger seat, and then disables the instrument panel passenger airbag, front seat cushion airbag assembly RH.
(b) This system is mainly comprised of front and rear occupant classification sensors LH that detect the load on the front passenger seat. The occupant detection ECU controls the system, and the passenger airbag ON/OFF indicator indicates the ON/OFF condition of the instrument panel passenger airbag, front seat cushion airbag assembly RH.
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CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the occupant classification system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEX
INITIALIZATION NOTICE: Make sure that the front passenger seat is not occupied before performing the operation. HINT: Perform zero point calibration and sensitivity check if any of the following cond
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of
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