Lexus NX: System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU

Receiving ECU

Signal

Communication Method

Main body ECU (multiplex network body ECU)

Multiplex network door ECU

  • Combination switch assembly signal
  • Back door opener switch assembly signal
  • Power back door ON/OFF signal

CAN

Multiplex network door ECU

Main body ECU (multiplex network body ECU)

Back door courtesy switch signal

CAN

Combination meter assembly

Main body ECU (multiplex network body ECU)

  • Power back door ON/OFF signal
  • Power back door buzzer volume signal
  • Power back door custom switch signal

CAN

Certification ECU (smart key ECU assembly)

Main body ECU (multiplex network body ECU)

  • Back door opener switch assembly signal
  • Back door courtesy switch signal

CAN

Main body ECU (multiplex network body ECU)

Kick door control sensor

  • Vehicle speed signal
  • Power switch on (IG) signal
  • Power switch on (ACC) signal

LIN

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 System Description

SYSTEM DESCRIPTION POWER BACK DOOR SYSTEM DESCRIPTION (a) The power back door system controls the power back door by automatically opening and closing the power back door with a motor. (1) The power b

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: The power back door system troubleshooting procedure is based on the premise that the smart access system with push-button start (for Entry Function) is operating norm

 Operation Check

OPERATION CHECK CHECK BASIC OPERATION NOTICE: This check is possible only when the "Power Back Door Function" customization setting using the multi-information display in the combination meter asse

SEE MORE:

 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) (P0327,P0328)

DESCRIPTION A flat type knock control sensor (non-resonant type) has a structure that can detect vibration between approximately 5 kHz and 23 kHz. The knock control sensors are fitted onto the engine block to detect engine knocking. The knock control sensor contains a piezoelectric element which gen

 Data Signal Circuit between Radio Receiver and Stereo Jack Adapter

DESCRIPTION The No. 1 stereo jack adapter assembly sends the sound data signal or image data signal from a USB device to the radio receiver assembly via this circuit. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) (

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