VAZ 2101, 2102
1. Specifications
2. Operation and service
3. The engine
4. Fuel system
5. Ignition system
6. Start and gymnastics system
7. Transmission
8. A running gear
9. A steering
10. Brake system
11. An electric equipment
11.1. Electric equipment schemes
11.2. Illumination and the light alarm system
11.3. Sound signals
11.4. A screen wiper
11.4.1. Repair
11.4.2. The screen wiper relay
11.4.3. Possible malfunctions of the electric motor of a screen wiper
11.5. The heater electric motor
11.6. Control devices
12. A body
13. Features of repair
14. Appendices


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11.4.3. Possible malfunctions of the electric motor of a screen wiper

THE REASON
ELIMINATION METHOD
The screen wiper electric motor does not work, the bimetallic safety lock does not work and does not fuse a safety lock 2 in the block of safety locks
Wires of a food of a motor-reducer are damaged, tips of wires in connecting колодках are oxidised Check up the wires, damaged replace. Smooth out tips
The screen wiper switch is damaged

Replace the switch

Lag of brushes of the electric motor, strong pollution or подгорание a collector Check up, eliminate lag of brushes or replace the damaged details; smooth out a collector
Wire breakage, uniters of a brush of the electric motor with колодкой wires Check up and if necessary solder the torn off wires
The thermobimetallic safety lock in a motor-reducer is damaged Smooth out contacts of a thermobimetallic safety lock or replace it
Wire breakage in a winding of an anchor of the electric motor Replace an anchor or a motor-reducer
The screen wiper electric motor does not work, the bimetallic safety lock works or fuses a safety lock 2 in the block of safety locks
Levers of the mechanism of a screen wiper are deformed and touch body details Check up, correct levers or replace a screen wiper
Brushes have frozen to glass Tear off brushes from glass, without supposing damage of a rubber tape
The extraneous subject has got to the screen wiper mechanism Check up, take a subject
Short circuit in a winding of an anchor of the electric motor Replace a motor-reducer or an electric motor anchor
The screen wiper does not work in a faltering mode
The screen wiper switch is damaged Replace the switch
The screen wiper relay is damaged:
Breakage in a relay winding;

Replace the relay;

Short circuit of wires on a contact rack;

Eliminate short circuit;

Backlash between contacts of the breaker of the relay Eliminate a backlash, if necessary replace the relay
The screen wiper does not stop in a faltering mode
The breaker winding in the screen wiper relay has fused Replace the screen wiper relay
The cam of a gear wheel of a motor-reducer does not unbend a spring plate of the trailer switch Turn in a switch plate that the cam unbent a plate
Pollution of contacts of the trailer switch in a motor-reducer Smooth out contacts of the trailer switch
Pollution of contacts of the breaker in the screen wiper relay Smooth out contacts of the breaker or replace the relay
The screen wiper works with stops in a faltering mode. Brushes do not stop in a starting position
Oxidation or incomplete contact of contacts of the trailer switch in a motor-reducer Smooth out contacts of the switch or turn in a plate of the trailer switch
The cleaner motor-reducer works, brushes not движутся
Teeths of a gear wheel of a motor-reducer are broken Replace a gear wheel
Weak fastening of a crank on an axis of a gear wheel of a motor-reducer Check up, tighten a nut of fastening of a crank, having established it in final position

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11.4.2. The screen wiper relay
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11.5. The heater electric motor