Heating of oxygen sensors joins EBU at observance of the following conditions:

– pressure on an admission below the certain threshold depending on engine turns;

– speed is lower than 135 km/h;

– after operation of the engine during a vremna defined depending on VMT of pistons of cylinders of the engine (if the pedal of an accelerator is not in situation "idling") and temperature of cooling liquid.

Heating of oxygen sensors is switched off at observance of the following conditions:

– speed of the movement of the car is higher than 140 km/h (help value);

– big loading of the engine.