The windshield wiper/washer switch signal circuits are inputs to the body control module (BCM) and the BCM controls wiper motor low speed operation, washer pump and high speed operation. The windshield wiper/washer switch is provided a low reference from the BCM and each of the switch signal circuits is supplied 12 volts through a resistor and
If that is the case the auto wiper mode isn't working as I've driven the car in the rain with the wipers set in intermittent or auto mode and other than the initial pass when turned on they don't do anything until I move the control to either low, high or turn off the intermittent/auto mode and turn it back on. not be able to sense the amount of. rainfall correctly and auto-wiper. control may not operate properly. 3. If dirt or foreign matter (e.g. ice or. matter containing salt water) adheres. to the windshield above the rain. sensor or if the windshield is iced, it. could cause the wipers to move. This morning I turned my wipers on, they move 2-3 inches and stopped. I've done some searching and found references to fuse 9 and fuse 11. As my fusebox cover is in Japanese, I decided to visual check all the fuses in the cabin. All good. Oh. More searching later, the blower motor works, the washer pump works so I now assume it's the motor? 3huhyeah3 •. I had my wipers go out on my 2018 sedan during my drive yesterday. On the way to the dealership, I could get the wipers to work intermittently. It seemed like when I put them on auto, that was what would bring them back to not working. The dealership had to order a F-BCM for replacement. . 982 891 512 119 130 944 130 911