E46 series BMW 3

since 1998 of release

Repair and car operation

E46 series BMW 3
+ BMW 3 Cars (Е46)
+ Current leaving and service
+ Engine
+ Systems of cooling, 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
   - 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
      Stoplight check
      Check of warmed back glass
      Removal and installation of the sensor of temperature
   + Lighting and alarm system
   + Devices and equipment
+ electric equipment Schemes


Check of warmed back glass

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

1 in the presence of 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 tip 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 Relay Section - the general information.