Possible malfunctions of a screen wiper of a windshield. AZLK 2141 (Muscovite)
Service and car repairs of 2141 - the Muscovite.
1. General data
2. Engines
3. Power supply system
4. Cooling system
5. Transmission
6. Running gear
7. Tires, wheels
8. Steering
9. Brake management
10. Body
11. Electric equipment
11.1. Wires and safety locks
11.2. Block of safety locks and relay
11.3. Scheme of internal connections of the block of safety locks and relay
11.4. Rechargeable battery
11.5. Electric equipment installed on cars of fashion. 2141-01, 2335
11.6. Electric equipment (21412-01, 214122, 214123 and 23352, 233522, 233523)
11.7. Electric equipment (2141-01, 21412-01, 214122, 214123 e 2335, 23352, 233522, 233523)
11.7.1. Ignition switch
11.7.2. Removal, dismantling, assembly and installation of the switch of ignition
11.7.3. Lighting and light alarm system
11.7.4. Sound signal
11.7.5. Screen wiper of a wind window
11.7.5.1. Technical characteristic of a motor-reducer
11.7.5.2. Possible malfunctions of a screen wiper of a windshield
11.7.5.3. Removal and installation of a screen wiper
11.7.6. Heater electric motor
11.7.7. Engine cooling system fan electric motor
11.7.8. The electrowarmed back door glass
11.8. Control devices
12. Electrical circuitries
 










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11.7.5.2. Possible malfunctions of a screen wiper of a windshield

REASON
ELIMINATION METHOD
The electric motor of a screen wiper does not work, the safety lock does not work
Wires of power supply of the electric motor are damaged, tips of wires are oxidized
Break of a wire of the electric motor
The screen wiper switch is faulty
To replace the switch
The electric motor is faulty
To replace the switch
Break of a wire of the electric motor
To check and if necessary to solder the torn-off conclusions<
The electric motor of a screen wiper does not work, the safety lock periodically works
Short circuit in an electric motor anchor winding
To replace the electric motor
Levers of a screen wiper are deformed and touch body details
To check, correct levers or to replace a screen wiper
Brushes froze to glass
To separate brushes from glass, without having damaged rubber of brushes
The electric motor of a screen wiper does not work in the faltering mode
The screen wiper switch is faulty
To replace the switch
The screen wiper relay is damaged
To replace the relay
The electric motor of a screen wiper does not stop in the faltering mode
The screen wiper relay breaker winding fused
To replace the screen wiper relay
The cam of a gear wheel of a reducer of the electric motor does not unbend a spring plate of the trailer switch
To turn in a switch plate so that the cam unbent a plate
Podgoraniye of contacts of the trailer switch
To smooth out contacts
Podgoraniye of contacts of the breaker of the relay of a screen wiper
To eliminate malfunction, to smooth out contacts or to replace the relay
The electric motor of a screen wiper works with stops in the faltering mode. Brushes do not stop in a starting position
Oxidation or leaky contact of contacts of the trailer switch
To smooth out contacts or to turn in a switch plate
It is incorrectly fixed or weakened fastening of the leading crank
To establish correctly a crank and to fix
The electric motor of a screen wiper works, brushes on glass do not move
The reducer is faulty
To replace a motor-reducer (a reducer with the electric motor)
Weak fastening of a crank on a reducer gear wheel axis
To tighten a nut of fastening of a crank


11.7.5.1. Technical characteristic of a motor-reducer

11.7.5.3. Removal and installation of a screen wiper