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

READ NEXT:

 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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 Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever an ASC system DTC is stored, the stereo component equalizer assembly stores the current vehicle state as freeze frame data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on.

 Installation

INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The following procedure is for the LH side. NOTICE: When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1214 may be output. As there is no

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