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 Rear 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 ...

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