BMW 3 Series E46

since 1998 release

Repair and operation of the car

BMW 3 Series E46
+ BMW 3 cars (E46)
+ Current leaving and service
+ Engine
+ Cooling systems, heating
+ Power supply systems, injection and release
+ Engine electric equipment
+ RKPP and transmission line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   - Dignostic 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 back glass at the left and on the right. 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 the Section of the Relay - the general information.