14.4. Check of the electric motor of a screen wiper

The electric motor of a screen wiper is in a water-collecting compartment under a windshield. For check it is necessary to remove the corresponding cover.

Designation of plugs

On the electric motor there are following plugs:


At first it is necessary to find out what has defect, the electric motor or is absent food. At the same time it is necessary to work as follows:


  1. Rasstykuyte the multicontact socket at the electric motor.
  2. Bring 2 auxiliary cables (+) and (-) from the rechargeable battery of the car to the screen wiper electric motor:
    • Carry out one cable from the positive plug of the battery to the plug 53 or 53b.
    • Bring the second cable from the negative plug of the rechargeable battery to the plug of 31 electric motors.
  3. Now the electric motor has to turn on depending on the used plug on I or II steps. If it does not occur, the electric motor or the corresponding step have defect. Remove the electric motor.