<!-- from fixya rte -->Where is the windshield washer pump located - 2010 Lexus RX 350

There is a electric motor that pumps washer fluid . Located in the bottom of the washer fluid tank .
Wash Operation (Front and Rear Wipers)
The front and rear washer systems use the same windshield washer fluid pump. When either the front or rear wiper is in the washer position voltage will be supplied to one side of the windshield washer fluid pump (depending on whether it is front or rear), while the other side of the pump is grounded.
At this point, the windshield washer fluid pump sprays solvent onto the windshield. When the front or rear washer is activated, the BCM receives an input from the switch that is activated. The BCM will control the wipers while in the WASH mode. The BCM will control either the front wiper relay or the rear wiper relay to turn on the wipers. The windshield wipers operate at low speed for 3 swipes and returns to the park position.

When turning on the washers do you hear the motor run ? Have some one try it while you listen at the washer fluid tank ! These pump motors do go bad .
turn OFF the ignition.
Disconnect the harness electrical connector of the windshield washer fluid pump.
Connect a test lamp from the windshield washer pump control circuit to a good ground .
Turn ON the ignition, with the engine OFF.
Press the front washer switch.
Does the test lamp illuminate?
YES or NO !

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The washer pump is located in the bottom of the washer fluid tank

it locate in tthe bottom of windshield water reservoir(tank)

usaully located at the bottom of washer tank where you fill the window washer fluid some have fuses in the fuse box others the wires corrode or break at the pump or pump burnt

you know where the windshield washer fluid tank is ? if so remove it the windshield washer pump is located at the bottom of it.

you can buy a in line pump most anywhere and it just goes in the washer fluid line and the wires from your old pump will need the ends changed to make it work.they come with good instruction.

The windshield washer pump is part of the windshield wash reservior.
There is an electrical connector located on the bottom of the reservior.
That is the pump .
If the pump is not in the reservior. I would just trace the washer fluid lines from the sprayer on the vehicle back to the pump. The lines just might lead back to the reservior for the windshield wash solution. Then you will have confirmed the pump is in the reservior.

You may have to get a new reservior. The pump might not be seperate item, I am not 100% sure on that.

I also would double check the fuses and any relays related to the washer pump.

Finally, I would check the washer switch if you replace the pump and still is not working .

Good luck

pump is usually located in the washer tank, have you looked there? Some times the pump has a screen and it just gets plugged.

the windshield washer pump might be bad. It should be located somewhere on the reservoir