Windshield wiper mounted under windshield trim
The cleaner motor is a three-brush, two-speed, permanent magnet excitation.
To protect against overloads, it has a thermal bimetal fuse.
- Cause of malfunction
Remedy
Wiper motor not working
The cleaner motor does not work, the bimetal fuse does not work, and the F9 fuse in the mounting block does not blow out
- The power wires of the gearmotor are damaged, the wire ends in the connecting blocks are oxidized
Check wires, replace if damaged. Strip the tips
- Wiper switch damaged
Replace the wiper switch in the steering column
- Hanging of the motor brushes, severe pollution or burning of the collector
Check, fix stuck brushes or replace damaged parts; clean the sewer
- Wire break in the motor armature winding
Replace anchor or gearmotor
The cleaner motor does not work, the bimetal fuse blows, or the F9 fuse in the mounting block blows
- The levers of the cleaner mechanism are deformed and touch the body parts
Check, straighten arms or replace wiper
- The brushes froze to the glass
Separate the brushes from the glass without damaging the rubber band
- A foreign object got into the cleaner mechanism
Check, remove item
- Short circuit in the motor armature winding
Replace gearmotor or motor armature
Wiper motor not intermittent
- Wiper switch damaged
Replace the wiper switch in the steering column
- Cleaner relay damaged
Replace the relay
Wiper motor does not stop intermittently
- Cleaner relay damaged
Replace the purifier relay
- Poor clamping of the contact petals of the limit switch to the gear of the motor reducer
Bend the contact petals of the limit switch
- Contamination of the contacts of the limit switch in the gearmotor
Clean the switch contacts
Wiper motor running, brushes not moving
- Gear motor gear teeth broken
Replace gear
- Weak fastening of the crank on the axis of the gear motor gear
Check, tighten the crank nut, setting it in its final position
