Lexus NX: Precaution

PRECAUTION

POWER WINDOW CONTROL SYSTEM PRECAUTIONS

NOTICE:

  • The power window control system uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

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  • The power window control system prohibits the auto up and down function when the jam protection function malfunctions.
  • The power window control system prohibits the auto up and down function when the catch protection function malfunctions.
  • If the power window regulator motor assembly has been replaced with a new one, initialize the power window control system.

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  • If the power window regulator motor assembly and door window regulator sub-assembly have been removed and installed, or if the power window regulator motor assembly was reused when a door glass or door glass run was replaced, initialize the power window control system.

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  • The jam protection function and the catch protection function may operate unexpectedly, even when the power window control system is normal, due to detection of a value different than the operation learned value when the door glass moving speed changes sharply under any of the following conditions:
    1. A power window is being opened or closed while the vehicle is driven on a rough road.
    2. A power window is being opened or closed while the door is being opened or closed.
    3. The voltage changes abruptly.
  • Do not disconnect the auxiliary battery while the power switch is on (IG). Otherwise, DTC B2313 will be stored.

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 Parts Location

PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH *2 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RH *3 FRONT DOOR LOCK ASSEMBLY LH *4 POWER WINDOW REGULATOR

 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

 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

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 Room Light

ComponentsCOMPONENTS ILLUSTRATION *A for Normal Roof *B for Sliding Roof *C for Glass Roof - - *1 SPOT LIGHT ASSEMBLY (ROOM LIGHT) - - RemovalREMOVAL PROCEDURE 1. REMOVE SPOT LIGHT ASSEMBLY (ROOM LIGHT) (a) Using a screwdriver, detach the 4 clips. HINT: Tape the

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the ASC system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK NEXT 3. INSPECT AUXILIARY BA

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