VW Passat B5
since 1996 release
Repair and operation of the car
Foltsvagen Passat B5
+ Maintenance instruction
+ 1. Maintenance
+ 2. Engines
+ 3. Cooling system
+ 4. Fuel system
- 5. Engine management
5.2. Work of a control system of the engine
5.3. Check of system of injection of fuel
5.4. Sensors and executive mechanisms of a control system of the engine
+ 5.5. System of ignition
+ 5.6. Fuel highway and fuel nozzles
5.7. Main malfunctions of a control system of the engine
+ 6. Exhaust system
+ 7. Transmission
+ 8. Running gear
+ 9. Steering
+ 10. Brake system
+ 11. Body
+ 12. Heating, ventilation
+ 13. Electric equipment
Arrangement of elements of a control system of the MOTRONIC engine in a motor compartment with the engine 1,8-I
The air filter and the measuring instrument of a stream of air on the engine 1,8-I/150 of hp.
The switch of a butterfly valve reports to the block management about the provision of a butterfly valve idling. The control unit slightly opens or covers a butterfly valve through a servomotor and thus supports stable turns of idling.
Sensors of temperature of cooling liquid and temperature of the air coming to the engine due to change of the resistance at change of temperature report to the control unit of the engine the corresponding temperatures.
The system of catching of vapors of fuel consists of the filter with absorbent carbon and the magnetic valve. The filter of absorbent carbon interferes with that harmful vapors of fuel got from the fuel tank into the atmosphere, and the evaporating fuel collects in the container with absorbent carbon. During the operation of the engine of couple of fuel under control of the magnetic valve move in the engine for reburning again.
The sensor of oxygen measures the content of oxygen in a stream of exhaust gases. The control unit on its signal supports the content of harmful emissions in exhaust gases at the lowest level. At cars with the catalyst the composition of exhaust gases is supported at the level providing the best reburning in the catalyst.
The sensor of a detonation serves for detection of the beginning of a detonation in cylinders of the engine and on the basis of this information the control unit of the engine reduces an ignition advancing corner. With malfunctions of ignition the control unit blocks supply of fuel in the corresponding cylinder.
Engine 1,8-I ADR, V6 engine