Wiper motor, function - GF82.30-P-4104-01R

The wiper motor (M6/1)  consists of the components motor  and gear  with cam switch  :

Motor : 

This motor is a DC motor  with three brushes  .

The wiper motor (M6/1)  runs at different speeds depending on the power supply to the various pairs of brushes.

The power is supplied to the motor by two relays  .

Cam switch 

The cam switch  is closed when the motor is not running. At the beginning of a wiping operation  , the cam switch  opens and closes again when the non-actuated position is reached again. In this manner, signal c. 31b  is generated.

The c. 31b signal  allows the connected control module to recognize:

• whether the motor is operating correctly
• whether the motor is locked up
• whether the motor is in the non-actuated position.