Scheme of switching on the cleaner, washer and rear door glass heating element: 1 - fuse box; 2 – switch of a cleaner and a washer of glass of a door of a back; 3 – the electric motor of a washer of glass of a door of a back; 4 – the electric motor of a cleaner of glass of a door of a back; 5 – element of heating of glass of a door of a back; 6 - relay for turning on the heating of the glass of the tailgate; 7 – a control lamp of heating of glass of a door of a back; 8 – the switch of heating of glass of a door of a back; 9 - ignition switch.
The tailgate glass cleaner consists of a gearmotor type 471.3730, a lever and a brush. Laying the lever with a brush - right in the direction of the car. The electric motor of the cleaner is two-brush, with excitation from permanent magnets. To protect against overloads, a thermal bimetallic fuse is installed in it. A defective motor reducer is replaced with a new one.
Technical characteristics of the gearmotor
Number of double moves at a supply voltage of 14 V, load 0.5 Nm (0.05 kgf·m) and ambient temperature environments (25±10) °C, min –1 | (50±5)
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Consumed under these conditions current, A, no more | 2
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The cleaner is switched on by a key switch on the instrument panel (first position - fixed). Further pressing the switch (non-fixed position) the rear window washer is switched on.
Tailgate glass heating system. The glass heating element is connected through a relay type 113.3747, installed on the left under the instrument panel. Heating is switched on by a key switch on the instrument panel. The orange indicator lamp in the instrument cluster comes on. Voltage is supplied to the switch only when the ignition is on. If the heating element fails, the glass is replaced.