BMW 3 of the E46 series

since 1998 release

Repair and operation of the car

BMW 3 of the E46 series
+ BMW 3 Cars (E46)
+ Current leaving and service
+ Engine
+ Cooling systems, heating
+ Power supply systems, injection and release
+ Electric equipment of the engine
+ RKPP and transmission line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   - Dignostika of electric elements
      Diagnostics of malfunctions of onboard electric equipment - the general information
      Safety locks - the general information
      Replacement of safety locks
      Fusible inserts - the general information
      Chain breakers (thermal relays) - the general information
      The relay - the general information
      Check of the electric motor of a screen wiper
      Check of a stoplight
      Check of the warmed back glass
      Removal and installation of the sensor of temperature
   + Lighting and alarm system
   + Devices and equipment
+ Schemes of electric equipment

Check of the warmed back glass

After inclusion of heating of back glass after a while the field with visible lines of conductors has to be cleared of rainfall or snow.

1 with malfunctions at first check a safety lock in the block of safety locks.
2 If the safety lock is serviceable, check reliability of connection of the cable plug at the left and on the right at back glass. If necessary clear of corrosion.
3 If after that heating of back glass still does not work, check electric wires and the switch, and also the relay, address to the Section of the Relay - the general information.