Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Inspection

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Vehicle Exterior / Window / Glass / Power Window Regulator Motor (for Front Door) / Inspection

INSPECTION

PROCEDURE

1. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

(a) Connect a positive (+) battery lead to connector terminal 2 (B).

NOTICE:

Do not connect a positive (+) battery lead to any terminals other than terminal 2 (B) to avoid damaging the pulse sensor inside the motor.

*a

Component without harness connected

(Power Window Regulator Motor Assembly LH)

*b

Clockwise

*c

Counterclockwise

*d

Motor gear

(b) Connect a negative (-) battery lead to connector terminals 1 (E) and 7 (DWN1) or 10 (UP1).

(c) Check that the motor gear rotates smoothly as follows:

OK:

Measurement Condition

Specified Condition
  1. Connect a positive (+) battery lead to terminal 2 (B), connect a negative (-) battery lead to terminal 1 (E), and keep them connected for 3 seconds or more.
  2. With terminals 2 (B) and 1 (E) connected, connect a negative (-) battery lead to terminal 10 (UP1).

Motor gear rotates clockwise
  1. Connect a positive (+) battery lead to terminal 2 (B), connect a negative (-) battery lead to terminal 1 (E), and keep them connected for 3 seconds or more.
  2. With terminals 2 (B) and 1 (E) connected, connect a negative (-) battery lead to terminal 7 (DWN1).

Motor gear rotates counterclockwise
  • If the result is not as specified, replace the power window regulator motor assembly LH.

CAUTION:

Initialize the power window control system after installing the power window regulator motor and regulator assembly.

2. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

(a) Connect a positive (+) battery lead to connector terminal 2 (B).

NOTICE:

Do not connect a positive (+) battery lead to any terminals other than terminal 2 (B) to avoid damaging the pulse sensor inside the motor.

*a

Component without harness connected

(Power Window Regulator Motor Assembly RH)

*b

Clockwise

*c

Counterclockwise

*d

Motor gear

(b) Connect a negative (-) battery lead to connector terminals 1 (E) and 7 (DWN1) or 10 (UP1).

(c) Check that the motor gear rotates smoothly as follows:

OK:

Measurement Condition

Specified Condition
  1. Connect the positive (+) battery lead to terminal 2 (B), connect a negative (-) battery lead to terminal 1 (E), and keep them connected for 3 seconds or more.
  2. With terminals 2 (B) and 1 (E) connected, connect a negative (-) battery lead to terminal 10 (UP1).

Motor gear rotates counterclockwise
  1. Connect a positive (+) battery lead to terminal 2 (B), connect a negative (-) battery lead to terminal 1 (E), and keep them connected for 3 seconds or more.
  2. With terminals 2 (B) and 1 (E) connected, connect a negative (-) battery lead to terminal 7 (DWN1).

Motor gear rotates clockwise
  • If the result is not as specified, replace the power window regulator motor assembly RH.

CAUTION:

Initialize the power window control system after installing the power window regulator motor and regulator assembly.

    Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during powe ...

    Installation
    INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. PRECAUTION NOTICE: After turning the eng ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vehicle Stability Control System: Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE If there are no DTCs output and the problem still occurs, check the suspected areas for each problem symptom in the order given in the following table and proceed to the relevant troubleshooting page. NOTICE: When replacing the skid control ECU (brake actuator assembly), senso ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Door Opening Trim Weatherstrip: Installation
    INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL REAR DOOR OPENING TRIM WEATHERSTRIP (a) Align the alignment mark on the rear door opening trim weatherstrip with the flange on the v ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2025 Copyright www.lexusrx.net
    0.0207