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BMW 3 of the E46 seriessince 1998 releaseRepair and operation of the car |
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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 |
Chain breakers (thermal relays) - the general information Thermal relays serve for protection of such components, as electric drives of lowering lifting of glasses, door locks and adjustment of provision of head headlights. Some of breakers of a chain are placed in the assembly block of safety locks. Return of thermal relays to an initial state on some models is carried out automatically, i.e. at emergence of an overload in a chain the thermal relay is instantly disconnected, then, after cooling, reverts to the original state. If return of a contour into position does not happen, it is necessary to make its check immediately. Normal functioning of the thermal relay confirms serviceability of a contour. Some of breakers are equipped with buttons for manual compulsory return to an initial state. |
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