BMW 3 series E46
Since 1998 of release
Repair and car operation
The BMW of 3 series Е46
+ Cars BMW 3 (Е46)
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
+ Power supply systems, injection and release
+ Engine electric equipment
+ Manual transmission and transmission a line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
- Onboard electric equipment
- Дигностика electric elements
Diagnostics of malfunctions of an 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 warmed back glass
Removal and installation of the gauge of temperature
+ Illumination and the alarm system
+ Devices and the equipment
+ Electric equipment schemes
Check of warmed back glassAfter inclusion of heating of back glass after a while the field with visible lines of conductors should be cleared of deposits or snow.
1 In the presence of malfunctions at first check up a safety lock in the block of safety locks.
2 If the safety lock is serviceable, check up 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 up electric wires and the switch, and also the relay, address to Relay Section - the general information.