Mercedes C-Class

W203 since 2000 of release

Repair and car operation



Mercedes-Benz
+ Mercedes-Benz Cars of a class C (W-203)
+ Operation manual
+ Routine maintenance
+ Engine
+ cooling and heating Systems
+ Power supply system and release
+ engine Electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   Specifications
   Diagnostics of malfunctions of onboard electric equipment - the general information
   Check of the electric motor of a screen wiper
   Check of warmed back glass
   Relay and safety locks
   Replacement of filament lamps of devices of external lighting
   Replacement of filament lamps of devices of internal lighting
   Removal and installation of the sensor of a daylight
   Removal and headlight installation
   Removal and installation of a fog light
   Removal and installation of a rasseivatel of a fog light
   Removal and installation of a back lamp
   Replacement of the battery of a key of an ignition/remote control
   Removal and installation of the electric motor of a cleaner of a windscreen
   Removal and installation of the electric motor of a cleaner of back glass
   Removal and installation of the tank of water and pump electric motor
   Removal and installation of the sensor of a rain
   Removal and installation of a sound signal
   Removal and installation of sensors of a parking
   Removal and installation of the sensor of temperature of external air
   Removal and installation of a control panel
   Removal and installation of the podrulevy switch
   Removal and installation of the switch of a forward plafond on a ceiling
   Removal and installation of group of switches to the left of a control panel
   Removal and installation of the switch of the central console
   Removal and installation of switches in the doorway
   Removal and installation of door switches of internal lighting
   Removal and installation of precautionary indexes of the assistant to a parking
   Removal and lighter installation
   Removal and radio receiver installation
   Removal and loudspeaker installation
   Digital tire of data of CAN
   The uniform lock - general information
   Installation of additional electric and electronic devices
   Appointment and arrangement of electric sockets
   + electric equipment Schemes






Check of the electric motor of a screen wiper

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

Designation of plugs

On the electric motor there are following plugs:

· The plug 31 is weight accession (the general for all electric equipment of the car).
· The plug 53 receives tension for the first speed of a screen wiper.
· The plug 53а feeds with a current (+) the extreme provision of a screen wiper. The electric motor receives tension through a brush until the cleaner will not return to a starting position when the driver will switch off a screen wiper.
· The plug 53b submits tension for the second speed of a screen wiper (an auxiliary winding).
· Via the plug 53е the electric motor is braked at return after shutdown that the screen wiper did not pass through the provision of a parking.
· Are available not always in stock: the plug 53 with submits a food to the pump of a stekloomyvatel.

Check of the electric motor of a cleaner

At first it is necessary to find out that has defect, the electric motor or there is no food. Thus it is necessary to operate as follows:

 PERFORMANCE ORDER

1. Rasstykuyte the multicontact socket at the electric motor.
2. Bring 2 auxiliary cables (+) and (-) from the storage battery of the car to the screen wiper electric motor:

· One cable carry out from the positive plug of the battery to the plug 53 or 53b.
· The second cable bring from the negative plug of the storage battery to the plug of 31 electric motors.
3. Now the electric motor should to turn on depending on the used plug on I or the II step. If it does not occur, the electric motor or the corresponding step have defect. Remove the electric motor.