Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Auto Down Operation does not Fully Open Power Window (Catch Protection Function is Activated)

DESCRIPTION

If a door glass does not slide smoothly or a power window regulator motor assembly or door window regulator sub-assembly does not operate smoothly, the catch protection function may be triggered automatically, resulting in the auto down operation being unable to fully open the power window.

CAUTION / NOTICE / HINT

HINT:

This symptom may occur for any of the power windows.

PROCEDURE

(a) Initialize the power window regulator motor assembly (applicable location).

Click here

NEXT

(a) Check that each power window moves when the auto up and down functions of the multiplex network master switch assembly or power window regulator switch assembly or rear power window regulator switch assembly is operated.

Click here

OK:

Auto up and down functions are normal (applicable location).

OK

END (PROBLEM DUE TO INITIALIZATION FAILURE)

NG

(a) Remove the power window regulator motor assembly and door window regulator sub-assembly.

(b) Install the door glass to the door glass run.

(c) Check that the power window regulator motor assembly and door window regulator sub-assembly operate smoothly.

(d) Check that the door glass slides smoothly when sliding it down by hand.

NOTICE:

Make sure to perform initialization again.

OK:

Door glass slides smoothly.

A

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR OR FRONT PASSENGER DOOR)

B

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR OR REAR RH DOOR)

C

FIT DOOR GLASS CORRECTLY (REMOVE FOREIGN MATTER CAUSING IMPROPER FIT OR REPLACE PARTS)