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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How To Proceed With Troubleshooting
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
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
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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Satellite Radio Broadcast cannot be Selected or After Selecting Broadcast, Broadcast cannot be Added into Memory
CAUTION / NOTICE / HINT NOTICE:
Some satellite radio broadcasts require payment. A contract must be made between a satellite radio company and the user. If the contract expires, it will not be possible to listen to the broadcast.
When replacing the radio receiver assembly, always replace it wit
Parts Location
PARTS LOCATION ILLUSTRATION *A for 2WD *B for AWD *1 AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY (AIR CONDITIONER PRESSURE SENSOR) *2 THERMISTOR ASSEMBLY (AMBIENT TEMPERATURE SENSOR) *3 HEATER ACCESSORY ASSEMBLY *4 PTC HTR NO.1 RELAY *5 PTC HTR NO.2 RELAY *6
