Lexus NX: System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU

Receiving ECU

Signal

Communication Method

Multiplex Network Master Switch Assembly

Front Power Window Regulator Motor Assembly LH

Power window auto up and down signal

LIN

  • Front Power Window Regulator Motor Assembly RH
  • Rear Power Window Regulator Motor Assembly LH
  • Rear Power Window Regulator Motor Assembly RH

Power window remote up and down signal

LIN

Main Body ECU (Multiplex Network Body ECU)

  • Front Power Window Regulator Motor Assembly RH
  • Front Power Window Regulator Motor Assembly LH
  • Rear Power Window Regulator Motor Assembly LH
  • Rear Power Window Regulator Motor Assembly RH

Power window operation permission signal

LIN

Certification ECU (Smart Key ECU Assembly)

Main Body ECU (Multiplex Network Body ECU)

Wireless power window operation signal

CAN

Main Body ECU (Multiplex Network Body ECU)

Combination Meter Assembly

Window open warning request signal

CAN

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 System Description

SYSTEM DESCRIPTION POWER WINDOW CONTROL SYSTEM DESCRIPTION (a) The power window control system controls the power window operation using the power window regulator motors. The main controls of this sy

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the power window control system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT

 Operation Check

OPERATION CHECK CHECK WINDOW LOCK FUNCTION (a) Turn the power switch on (IG). (b) Press the window lock switch of the multiplex network master switch assembly. HINT: The illumination (LED) built into

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 Operation Check

OPERATION CHECK CHECK POWER RETRACTABLE MIRROR FUNCTION (a) Turn the power switch on (ACC). (b) When the outer rear view mirror assembly LH and outer rear view mirror assembly RH are in the driving position, press the mirror retract switch in the outer mirror switch assembly and check that they move

 Generator Position Sensor Circuit Range / Performance (P0A4C-518,P0A4C-811)

DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that a large current flowed in the inverter for the generator. The cause of this malfunction may be one of the following: Area Main Malfunction Description Step Inverter low-voltage circuit The connectors are not connected properly

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