Yellow Windshield Washer Icon Blinking Off and On. - Toyota Yaris Forums

Betrivent · 01-31-2015, 11:01 PM

It wouldn't come on with the ignition. The reason you're seeing it flickering is because it's low enough that the fluid moving around while driving causes it to set the light off - but it's full enough that when completely still the sensor still detects fluid.

If it was below the sensor at a standstill, then you would see it come on when you start the car.

01-31-2015, 11:01 PM	#7
Betrivent Not quite a noob Drives: e46 325 Join Date: Jul 2009 Location: edmonton Posts: 1,408	It wouldn't come on with the ignition. The reason you're seeing it flickering is because it's low enough that the fluid moving around while driving causes it to set the light off - but it's full enough that when completely still the sensor still detects fluid. If it was below the sensor at a standstill, then you would see it come on when you start the car.