Lexus NX: System Diagram

SYSTEM DIAGRAM

Communication Table

Sender

Receiver

Signal

Line

Main body ECU (multiplex network body ECU)

Outer mirror control ECU assembly LH and RH

  • Mirror surface adjust switch signal
  • Mirror select switch signal
  • Mirror retract switch signal

CAN

Mirror position request signal / memory request signal, reverse memory request signal, memory call request signal, reverse request signal or return request signal

Power switch signal

Outer mirror control ECU assembly LH

Main body ECU (multiplex network body ECU)

  • M1 switch signal
  • M2 switch signal
  • M3 switch signal
  • SET switch signal

Outer mirror control ECU assembly LH and RH

Outer mirror state signal / manual operation, memory operation, reverse operation or return operation

Hybrid vehicle control ECU

Reverse signal

Air conditioning amplifier assembly

Outer mirror control ECU assembly LH and RH

Mirror heater operation request signal

Air conditioning control assembly

Air conditioning amplifier assembly

Mirror heater operation request signal

LIN

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 System Description

SYSTEM DESCRIPTION POWER MIRROR CONTROL SYSTEM DESCRIPTION (a) This system has the following functions: power retract function, auto power retract function, electrical remote control function, reverse

 How To Proceed With Troubleshooting

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

 Operation Check

OPERATION CHECK CHECK OUTER MIRROR SWITCH FUNCTION (a) Turn the power switch on (ACC). (b) With the mirror select switch set to L, check that the mirror surface moves up, down, left and right normally

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 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 normally. Check the smart access system with push-button start (for Entry Function) first before trouble

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Power Window Control System DTC No. Detection Item Link B2311 Power Window Motor Malfunction B2311 Power Window Motor Malfunction B2311 Power Window Motor Malfunction B2311 Power Window Motor Malfunction B2312 Pow

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