1982-1993 of release
Repair and operation of the car
+ 1.2. Identification of the car
+ 2. Maintenance
- 3. General data
- 3.1. Cars with petrol engines
3.1.1. Masses and transfer numbers
3.1.2. Operational liquids
+ 3.1.3. Changes in a car design from 1984 to 1986.
- 3.1.4. Changes in a car design from 1987 to 1989.
22.214.171.124. OHC engine
+ 126.96.36.199. Dm3 CVH 1,8 engine
+ 188.8.131.52. DOHC engine
- 184.108.40.206. Service and repair
220.127.116.11.1. System of ignition
18.104.22.168.2. System of injection
22.214.171.124.3. Scheme of the EES IV system of the DOHC 2,0 engine of dm3
126.96.36.199.4. Check and adjustment of the EEC IV system
188.8.131.52.5. Elimination of malfunctions
184.108.40.206.6. Check of elements of the EEC IV system
220.127.116.11.7. System of gas distribution
18.104.22.168.8. Head of the block of cylinders of the engine
22.214.171.124.9. Dismantling of the engine
126.96.36.199.10. Assembly of the engine
188.8.131.52.11. Lubrication system
+ 184.108.40.206. Coupling
220.127.116.11. Mechanical five-speed transmission of N type
+ 18.104.22.168. Mechanical MT 75 five-speed transmission
22.214.171.124. Automatic transmission
126.96.36.199. Forward suspension bracket
+ 188.8.131.52. Brake system
+ 184.108.40.206. Electric equipment
220.127.116.11. General data
+ 3.1.5. Changes in a car design from 1990 to February, 1993.
+ 3.2. Cars with diesel engines
+ 4. Engines
+ 5. Coupling
+ 6. Transmissions
+ 7. Driveshaft and back bridge
+ 8. Steering
+ 9. Suspension brackets
+ 10. Brake system
+ 11. Body
+ 12. Electric equipment
Design and functioning of system of ignition
Both types of the DOHC engine are equipped with electronic system of ignition:
– engines with carburetor fuel system: system of ignition of ESC II;
– engines with injection: system of ignition of EEC IV.
System of ignition of ESC II
Electric circuit of electronic system of ignition of ESC II of the carburetor DOHC 2,0 engine of dm3
This system contains:
– the ignition distributor with the distributor of high voltage and the contactless sensor of Hall which is carrying out a role of the sensor of speed of a bent shaft of the engine;
– ignition coil;
– the vacuum sensor in an inlet collector;
– sensor of temperature of cooling liquid;
– the sensor of neutral position of the lever of gear shifting of the automatic transmission (only in cars with the automatic transmission).
The electronic module of management of ignition of ESC II receives signals from these sensors and on their basis and data which are contained in his memory selects optimum, for these operating conditions of the engine, the moment of interruption of current in primary winding of the coil of ignition, and thereby an optimum angle of an advancing of ignition. Then includes current in primary winding and interrupts current in it at the moment when in the next cylinder there has to be ignition, again gives current to this winding, etc.
The corner of an advancing of ignition is constantly regulated according to the obtained signals and data which are contained in memory of the electronic module.
In engines with the carburetor the module of management of ignition of ESC II corrects also the provision of a butterfly valve in no-load time depending on speed, load of the engine (for example, inclusion of transfer in the automatic transmission or turning on of the compressor of the conditioner), a thermal condition of the engine, and also from the provision of a butterfly valve.
Check of elements of system of ignition of ESC II
System of ignition of EEC IV
This system of ignition functions on the same principle, as the system of ignition of ESC II, is only combined with injection of fuel in the general control system of the EEC IV engine, and the electronic actuation device operates also system of injection.
Removal and installation of the distributor of ignition
Removal and installation of the distributor of ignition do not present great difficulties. Elements of system of ignition of the DOHC engine are represented in the drawing.
Elements of system of ignition of the DOHC engine
The distributor of ignition can be installed only in one, correct situation.
Check of elements of system of ignition
In the carburetor DOHC engine it is necessary to disconnect the multicontact socket of the module of management of ignition of ESC II and to measure by means of a multimeter resistance and tension on the chosen contacts of the socket according to the provided table.
In case of the wrong values of electric parameters before to consider this element damaged, it is necessary to check a condition of the corresponding electric contour.