Working windshield wipers are very important for driver visibility. The vehicle is taken into account unsafely if the wipers do not work. The front electric motor and therefore the wiper transmission mechanism (linkage) are put in below the windshield, under the cowl panel cover.
How the wiper system works: after you flip the wiper on, the wiper switch sends the signal to the control module. The control module operates the wiper relay. The relay sends 12-volt power to the wiper motor.
In trendy cars, the wiper motor is controlled by a control module. It could be known as Body control Module (BCM) or front BCM (FBCM). Honda calls it the Multiplex Integrated system MICU.
The wiper switch on the steering column (multifunction switch) commands the control module and therefore the management module operates the electric motor through electric motor relays.
There could be up to three relays: one for the wiper motor high speed circuit, one for the low-speed circuit and one for the intermittent wipers circuit. The diagram isn't similar for all cars.
When troubleshooting a retardant with the wipers, mechanics at a business will access the control module with a scan tool which will show if the multifunction switchA scan tool additionally permits an active check, which means the wiper motor is activated from the scan tool.
The wiper motor could be a DC (direct current) 12V motor that has a collection of gears and a park switch. The park switch permits the motor to prevent once wipers an area unit positioned at very cheap of the windscreen in their "park' position.
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