Pic. 7-39. Windshield wiper and washer connection diagram:
1 - windshield washer motor;
2 - windshield wiper motor;
3 - windshield wiper and washer switch;
4 - mounting block;
5 - ignition switch;
A - to power supplies;
K2 - windshield wiper relay;
K6 - additional relay.
The relay must ensure the inclusion of the electric motor of the cleaner with a frequency of 14±4 cycles per minute in the range of operation from idling (traction only) up to load with a maximum effective torque of 3.92 Nm (0.4 kgf·m), at a frequency of rotation of the gearmotor shaft of at least 20 min-1, at ambient temperature (20±5) °C and supply voltage (14±0,2) IN.
The relay must ensure that the wiper operation mode is switched to low speed when the windshield washer is turned on (if the purifier was running intermittently or was turned off). After turning off the windshield washer, the wiper should perform 2-4 complete cleaning cycles at low speed at ambient temperature (20±5) °C and supply voltage (14±0,2) IN.