Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Operation Check

OPERATION CHECK

CHECK WINDOW LOCK FUNCTION

HINT:

Before performing the window lock switch operation check, make sure that the window lock switch is off (the switch is not pushed in).

(a) Turn the window lock switch of the multiplex network master switch assembly on (pushed in) and check that the front passenger and rear windows are disabled.

OK:

Front passenger and rear windows are disabled.

(b) Turn the window lock switch off (not pushed in) and check that the front passenger and rear windows can be operated normally.

OK:

Front passenger and rear windows operate normally.

CHECK MANUAL UP / DOWN FUNCTION

(a) Check that the driver door power window operates as follows:

(b) Check that the front passenger door power window and rear door power windows operate as follows:

CHECK AUTO UP / DOWN FUNCTION

(a) Check that the driver door power window operates as follows:

(b) Check that the front passenger door power window and rear door power windows operate as follows:

CHECK REMOTE MANUAL UP / DOWN FUNCTION

(a) Check that the front passenger door power window and rear door power windows operate as follows:

CHECK REMOTE AUTO UP / DOWN FUNCTION

(a) Check that the front passenger door power window and rear door power windows operate as follows:

CHECK KEY-OFF OPERATION FUNCTION

(a) Check that each power window can be operated with the multiplex network master switch assembly, power window regulator switch assembly or rear power window regulator switch assembly after the engine switch is turned off.

HINT:

If the window lock switch is on, the power windows cannot be operated using the power window regulator switch assembly and rear power window regulator switch assemblies. Therefore, turn the window lock switch off before checking the power window operation.

(b) Check that the key-off operation function does not operate immediately after the driver door or front passenger door is opened.

(c) Check that all of the power windows cannot be operated after more than approximately 45 seconds have elapsed since the engine switch is turned off.

CHECK WIRELESS TRANSMITTER-LINKED FUNCTION*

(a) Check that all power windows operate as follows when operating the electrical key transmitter:

Check that all of the power windows operate as follows when operating the electrical key transmitter:

CHECK KEY-LINKED FUNCTION*

(a) Check that all of the power windows operate as follows:

CHECK WINDOW OPEN WARNING FUNCTION

(a) Open a window using the power window switch.

(b) Turn the engine switch from on (IG) to off, open the driver door with the electronic key transmitter sub-assembly in the vehicle and check that the warning buzzer in the combination meter assembly sounds once. Then, check that "Window opened" is displayed on the multi-information display in the combination meter assembly displays "Window opened".

CHECK JAM PROTECTION FUNCTION

(a) Check the basic function.

CAUTION:

Do not put your fingers between the door frame and door glass to check the jam protection function. Also, prevent any part of your body from being caught during inspection.

HINT:

The jam protection function is operative during both the auto up and manual up operations while the engine is running or the engine switch is on (IG), and also for approximately 45 seconds after the engine switch is turned off.

(1) Fully open the power window.

(2) Set a check jig wrapped with a piece of cloth near the power window fully closed position.

(3) Operate the auto up or manual up function and check that the power window stops and goes down after the check jig is caught between the door glass and door frame, and stops when the opening reaches approximately 125 mm (4.93 in.) or until approximately 5 seconds have elapsed.

(4) While the power window is moving down, check that the door glass cannot be raised using the power window switch.

CHECK CATCH PROTECTION FUNCTION

(a) Check the basic function.

HINT:

The catch protection function is operative during both the auto down and manual down operations while the engine is running or the engine switch is on (IG), and also for approximately 45 seconds after the engine switch is turned off.

(1) Fully close all of the power windows.

(2) Operate the auto down or manual down function to open the power window, grasp the upper edge of the door glass with one or two hands and check that the power window stops.

HINT:

After the catch protection function has operated when an auto down or manual down operation was performed, the catch protection function will not operate if the manual down operation is performed again within approximately 4 seconds.

CHECK POWER WINDOW SWITCH LED ILLUMINATION

(a) Check the LED illumination (multiplex network master switch assembly).

(1) Check that the LEDs located in the multiplex network master switch assembly illuminate when the engine switch is turned on (IG).

(b) Check the LED illumination (power window regulator switch assembly).

(1) Check that the LED located in the power window regulator switch assembly illuminates when the engine switch is turned on (IG).

(c) Check the LED illumination (rear power window regulator switch assembly).

(1) Check that the LED located in each rear power window regulator switch assembly illuminates when the engine switch is turned on (IG).