Cause | Method of elimination |
Windscreen wiper motor does not work, bimetallic fuse does not trip and fuse 2 in fuse box does not blow | |
| The power supply wires of the gear motor are damaged, the wire tips in the connecting blocks are oxidized | Check the wires, replace damaged ones. Strip the tips |
| The windshield wiper switch is damaged | Replace the switch |
| Sticking of the electric motor brushes, heavy contamination or burning of the commutator | Check, fix stuck brushes or replace damaged parts; clean the manifold |
| Broken wires connecting the electric motor brushes to the wiring block | Check and solder broken wires if necessary |
| The thermal bimetallic fuse in the gear motor is damaged | Clean the contacts of the thermal bimetallic fuse or replace it |
| Broken wire in the armature winding of an electric motor | Replace the anchor or gear motor |
Windscreen wiper motor not working, bimetal fuse trips or fuse 2 in fuse box blows | |
| The windshield wiper arms are deformed and are touching the body parts | Check, straighten the arms or replace the wiper blade |
| The brushes are frozen to the glass | Remove the brushes from the glass, being careful not to damage the rubber strip |
| A foreign object has entered the windshield wiper mechanism | Check, remove the item |
| Short circuit in the armature winding of the electric motor | Replace the gear motor or the motor armature |
The windshield wiper does not work in intermittent mode | |
| The windshield wiper switch is damaged | Replace the switch |
| Damaged wiper relay: | |
| break in relay winding; | replace the relay; |
| short circuit of wires on the contact stand; | fix the short circuit; |
| gap between relay breaker contacts | eliminate the gap, replace the relay if necessary |
Windshield wiper does not stop in intermittent mode | |
| The winding of the breaker in the windshield wiper relay has burned out | Replace the windshield wiper relay |
| The cam of the gear motor does not bend the spring plate of the limit switch | Bend the switch plate so that the cam bends the plate |
| Contamination of the contacts of the limit switch in the gear motor | Clean the contacts of the limit switch |
| Contamination of the contacts of the breaker in the windshield wiper relay | Clean the breaker contacts or replace the relay |
The windshield wiper operates intermittently with stops. The wipers do not stop in their original position | |
| Oxidation or incomplete contact of the limit switch contacts in the gear motor | Clean the switch contacts or bend the limit switch plate |
The wiper motor is working, the brushes are not moving | |
| The gear teeth of the gear motor are broken | Replace the gear |
| Weak crank mount on gear motor shaft | Check, tighten the crank fastening nut, setting it in the final position |
[The information is posted on the portal vazbook.ru]