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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 Operation Check

OPERATION CHECK CHECK SEAT HEATER (for Front) (a) Turn the power switch on (IG). (b) Check that the indicator illuminates and the surface of the front seat warms up, when the seat heater switch on the air conditioning control assembly is turned on. (c) Check that the front seat surface temperature c

 Removal

REMOVAL PROCEDURE 1. REMOVE REAR SEAT ASSEMBLY (for Manual Seat) Click here 2. REMOVE REAR SEAT ASSEMBLY (for Power Seat) Click here 3. REMOVE TONNEAU COVER ASSEMBLY Click here 4. REMOVE DECK BOARD ASSEMBLY Click here 5. REMOVE NO. 2 DECK BOARD SUB-ASSEMBLY Click here 6. REMOVE NO. 3 DECK

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