Windshield wiper
The windshield wiper system consists of a gearmotor, linkage, wiper arms with brushes and a switch. The windshield wiper mechanism, equipped with a self-stopping device, consists of a worm gear and a cam plate to temporarily keep the circuit on until the end of the wiper stroke cycle with the switch off. The wipers are driven by a permanent magnet motor. The motor reducer is mounted on the front panel shield and connected to the windshield wiper linkage. Windshield wipers have two speeds (LOW - low and HIGH - high) and intermittent operation. The wiper switch is an integral part of the wiper and washer switch. The windshield wipers are operated by a lever on the right side of the steering column.
Pic. 7.54. The scheme of the windshield wipers: 1 - IG1; 2 – switch of a cleaner and washer of glasses; 3 - impulse switch; 4 - off; 5 - INT - intermittent mode; 6 - the first; 7 - second; 8 - wiper switch; 9 – intermittent operation relay; 10 - washer switch; automatic stop switch; 12 – windshield wiper motor; 13 - windshield washer motor; 14 - duration of a pause when operating in intermittent mode; 15 – ABS/TCS HU/CM or DSC HU/CM; 16 - switch cleaner and washer glass right side
Pic. 7.55. Windshield wipers and windshield washers for Mazda 6: 1 – a screen wiper and a brush of a windshield; 2 – windshield wiper motor; 3 – windshield washer nozzle; 4 - windshield washer reservoir; 5 - windshield washer motor; 6 – the electric motor of a washer of back glass; 7 - washer fluid level sensor; 8 - windshield washer hose; 9 – a hose of a washer of back glass; 10 – switch of a cleaner and washer of glasses; 11 – headlamp cleaner motor; 12 – a nozzle of a cleaner of a headlight; 13 – a hose of a cleaner of a headlight; 14 - headlight cleaner switch; 15 - wiper and rear window brush; 16 – electric motor of a cleaner of back glass; 17 - rear window washer nozzle; 18 - intermittent rear wiper relay
Windshield washer
The windshield washer system consists of a reservoir, pump, fittings, spray nozzles and a wiper and washer switch.
The windshield washer reservoir is installed inside the front right fender. The washer pump attached to the tank supplies fluid through pipes to two jets mounted on the hood of the car. The washer switch is an integral part of the wiper and washer switch. The windshield washers are operated by a lever on the right side of the steering column.
Pause function between wiper strokes
The windshield wiper control system is used, which takes into account the speed of the vehicle, that is, the pause between wiper strokes is automatically adjusted depending on the vehicle speed. This system reduces the need to adjust intermittent operation parameters.
Wiper operation
When the wiper switch is in the INT position, the intermittent wiper relay is energized and electrical current is supplied to the windshield wiper motor, which starts at low speed.
Depending on the vehicle speed signal from the anti-lock brake system (DSC) HU/CM, intermittent wiper control relay works as follows:
- a) at vehicle speed 0 km/h:
- the maximum duration of the pause between working strokes is 11.6 s;
- the minimum duration of the pause between working strokes is 4.2 s;
- b) at a vehicle speed of 30 km/h or more:
- the maximum duration of the pause between working strokes is 9.6 s;
- the minimum duration of the pause between working strokes is 1.1 s.