If the PCM block finds out that the angle of opening of a butterfly valve – less than 12,5% during 5 from later approach of the following conditions, the PCM block decides that the butterfly valve is blocked in a closed position:

– temperature of cooling liquid of the engine – is above 80 °C;

– pressure sensor signal in an inlet collector – more than 32,0 g / with;

– if the PCM block finds out that the angle of opening of a butterfly valve – more than 50% during 5 from later approach of the following conditions, the PCM block decides that the butterfly valve is blocked in open situation:

– frequency of rotation of the engine – is higher than 500 ^min.-1;

– pressure sensor signal in an inlet collector – 0 g / page.

If the PCM block finds tension of the sensor of provision of a butterfly valve in a conclusion of 2 A PCM block – lower than 0,1 In the ambassador of inclusion of ignition, then the PCM block decides that the chain of provision of a butterfly valve has malfunction.

If the PCM block finds tension of the sensor of provision of a butterfly valve in a conclusion 2 A PCM blocks – higher than 4,9 In the ambassador of inclusion of ignition, then the PCM block decides that the chain of provision of a butterfly valve has malfunction.

The PCM block controls the entrance tension of the forward sensor of concentration of oxygen with heating when the following conditions are satisfied.

– frequency of rotation of the engine – is higher than 1500 ^min.-1;

– temperature of cooling liquid of the engine – is above 80 °C.

If the entrance tension of the sensor is lower 0,45 In during 41,2 with, the PCM block decides that the forward sensor of concentration of oxygen does not switch.

The PCM block controls the entrance tension of the forward sensor of concentration of oxygen with heating when the following conditions are satisfied.

– frequency of rotation of the engine – is higher than 1500 ^min.-1;

– temperature of cooling liquid of the engine – is above 80 °C.

If the entrance tension of the sensor is higher 0,45 In during 41,2 with, the PCM block decides that the forward sensor of concentration of oxygen does not switch.

The PCM block controls the inversion cycle period, switching time "poor-rich" and "rich-poor". The PCM block calculates the average period of a cycle of inversion, average time of switching "poor-rich" and "rich-poor" when the following conditions are satisfied:

– mode of the movement 3;

– settlement loading of 14,8-59,4% (at 2000 ^min.-1.);

– frequency of rotation ^{of the mines-1 engine 1410-4000} (model with the mechanical transmission);

– frequency of rotation ^{of the mines-1 engine 1190-4000} (model with the automatic transmission);

– vehicle speed – is higher than 3,76 km/h;

– temperature of cooling liquid of the engine is above 10 °C;

– a cycle of inversion of a signal of the forward sensor of concentration of oxygen with heating – more than 10 cycles.

If any of settlement sizes exceeds threshold value, the PCM block decides that the chain has malfunction.

The PCM block controls the entrance tension of the forward sensor of concentration of oxygen with heating when the following conditions are satisfied:

– frequency of rotation of the engine – is higher than 1500 ^min.-1.

– temperature of cooling liquid of the engine – is above 80 °C.

If the entrance tension of the sensor never exceeds 0,55 B during 83,2 with, the PCM block decides that the chain of the sensor does not become more active.

The PCM block controls the entrance tension of the back sensor of concentration of oxygen with heating. If the entrance tension of the back sensor of concentration of oxygen with heating – higher than 0,45 In during 6,4 from later interruption in supply of fuel, the PCM block decides that the level of an entrance signal is overestimated.

The PCM block controls the output tension of the back sensor of concentration of oxygen with heating when the following conditions are satisfied:

– frequency of rotation of the engine – is higher than 1500 ^min.-1.

– temperature of cooling liquid of the engine – is above 80 °C

If entrance tension from the sensor does not exceed 0,55 B during 30,4 with, the PCM block decides that the chain of the sensor does not become more active