Wiper motor not working, circuit protection fuse in mounting block is OK
| Wiper motor not working, circuit protection fuse in mounting block is OK | |
| Cause of malfunction | Methods of elimination |
| The wires are damaged, their tips are oxidized or not tightly fitted | Crimp the tips, replace the faulty wires |
| Steering column switch malfunction | Replace the faulty wiper switch |
| The electric motor brushes are stuck, the commutator is heavily soiled or burnt | Fix brush sticking, clean commutator or replace gear motor |
| Break in the armature winding of an electric motor | Replace the gear motor |
| Additional relay is faulty | Replace the relay |
The wiper motor does not work, the wiper circuit protection fuse in the mounting block has blown
| The wiper motor does not work, the wiper circuit protection fuse in the mounting block has blown | |
| Cause of malfunction | Methods of elimination |
| The brushes are frozen to the glass | After turning off the cleaner, carefully separate the brushes from the glass, make sure the rubber scraper is intact, and restore the mobility of the brush joints |
| The wiper blades are touching the body parts | Check the correct installation of the levers, straighten the deformed levers or replace the wiper |
| Short circuit in the motor winding | Replace the gear motor |
The wiper motor does not work in intermittent mode
| The wiper motor does not work in intermittent mode | |
| Cause of malfunction | Methods of elimination |
| The wiper relay is faulty | Replace the relay |
| The steering column switch is faulty | Replace the faulty switch |
The cleaner motor does not stop in intermittent mode
| The cleaner motor does not stop in intermittent mode | |
| Cause of malfunction | Methods of elimination |
| The wiper relay is faulty | Replace the relay |
| The limit switch petals do not press well against the gear motor gear | Bend the contact petals of the limit switch |
| The contacts of the limit switch are oxidized or burnt | Clean the contacts or replace the wiper motor-reducer |
The brushes stop in any position
| The brushes stop in any position | |
| Cause of malfunction | Methods of elimination |
| The crankshaft mounting nut on the axle has become loose | Once the crank is correctly installed, tighten the nut |
| The contact petals of the limit switch do not press well against the gear motor gear | Bend the contact petals of the limit switch |
The brushes do not work in sync
| The brushes do not work in sync | |
| Cause of malfunction | Methods of elimination |
| The lever of one of the brushes on the shaft has become loose | Place the brush in the desired position and tighten the lever mounting nut |
The wiper motor works but the brushes do not move
| The wiper motor works but the brushes do not move | |
| Cause of malfunction | Methods of elimination |
| The crank fastening nut on the gear motor shaft has become loose | Once the crank is correctly installed, tighten the nut |
| The gear teeth are chipped | Replace the gear motor |
Individual filaments of the rear window heating element do not heat up
| Individual threads of the heating element do not heat up | |
| Cause of malfunction | Methods of elimination |
| Thread breakage | Restore the threads with a special preparation or replace the glass with electric heating |
None of the heating element threads get hot
| None of the heating element threads get hot | |
| Cause of malfunction | Methods of elimination |
| The switch, relay, rear window heating fuse are faulty, the wires are damaged, the tips are oxidized or poorly connected, the contact from the glass heating element is torn off | Replace faulty switch, relay, fuse, wires. Clean and crimp the tips. Replace the glass with the heating element |
The heater fan motor does not work
| The heater fan motor does not work | |
| Cause of malfunction | Methods of elimination |
| The wires are damaged, their tips are oxidized or not tightly fitted | Crimp and strip the tips, replace faulty wires |
| Wear, sticking of electric motor brushes, break or short circuit in the armature winding, oxidation or wear of the commutator | Clean the commutator or replace the electric motor |
| The switch is faulty | Replace the switch |
Heater fan motor does not operate at low speed
| Heater fan motor does not operate at low speed | |
| Cause of malfunction | Methods of elimination |
| The additional resistor burned out | Replace the resistor |
| The heater switch is faulty | Replace the switch |