Lexus NX manuals

Lexus NX: System Diagram

Lexus NX Service Manual / Vehicle Interior / Supplemental Restraint Systems / Airbag System / System Diagram

SYSTEM DIAGRAM

Transmitting ECU

(Transmitter)

Receiving ECU

(Receiver)

Signal

Communication Method

Airbag ECU Assembly

Hybrid Vehicle Control ECU

Crash detection signal

CAN

Combination Meter Assembly
  • SRS warning light on demand signal
  • SRS warning light blink demand signal
  • Diagnosis signal (DTC)

Combination Meter Assembly
  • Passenger's occupant status signal
  • Passenger's seat belt buckle switch status signal

DCM (Telematics Transceiver)

Main Body ECU (Multiplex Network Body ECU)

Driver's seat belt buckle switch status signal

Telematics Transceiver

Hybrid Vehicle Control ECU

Airbag ECU Assembly
  • On (Ready) signal
  • Accelerator opening angle information
  • Accelerator opening angle signal
  • Shift position signal
  • Test mode signal
  • Stop light switch signal

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 System Description

SYSTEM DESCRIPTION GENERAL (a) Deceleration sensors used for the airbag system are installed on various parts of the vehicle and calculate the deceleration rate of each part during a collision. (b) De

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the airbag system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. IN

 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 pr

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 Removal

REMOVAL PROCEDURE 1. REMOVE DECK BOARD ASSEMBLY Click here 2. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY Click here 3. REMOVE REAR DECK FLOOR BOX Click here 4. REMOVE DECK FLOOR BOX LH Click here 5. PRECAUTION CAUTION: Be sure to read Precaution thoroughly before serving. Click here NOTICE: Afte

 Cellular Phone Inspection

CAUTION / NOTICE / HINT HINT: If the operation of a cellular phone or the radio receiver assembly is requested, make sure to follow the instructions closely and perform the operation. PROCEDURE 1. CHECK USAGE CONDITION (a) Check that the vehicle and cellular phone meet the following conditi

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