Opel Astra, Zafira

since 1998 of release

Repair and car operation



Opel Astra
+ Opel Astra and Zafira Cars
+ Operation manual
+ Routine maintenance
+ Engine
+ Systems of cooling, heating
+ Power supply system and release
- Engine electric equipment
   Specifications
   + Electronic control system of ignition (and injection) petrol engines
   + Systems of preheat and heating of fuel of the diesel engine
   + charge and start Systems
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


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Engine electric equipment

General information and precautionary measures

The structure of electric equipment of the engine includes components of systems of ignition, a charge and start. In view of that these systems have a direct bearing on operation of the engine, they are considered separately from other onboard electric equipment, such as signal and lighting lights, monitors, etc., Head Onboard electric equipment is devoted to placement, a design and which principles of functioning. As the electronic control system of the petrol engine exercises administration of functioning not only fuel injection, but also mix ignition (ignition), the description of the basic principles of its action is also included in this Chapter (see. Electronic control system of ignition (and injection) petrol engines).

At service of components of systems of electric equipment it is necessary to observe special precautionary measures in order to avoid risk of failure of semi-conductor elements, and also for the purpose of receiving prevention элеткротравм.

Starting electric equipment service, surely remove a watch, rings and other metal ornaments. Even at the disconnected battery the category of condensers at casual grounding of their plugs can lead to receiving electric shock or a strong burn.

Do not allow polarity violation at battery connection. In structure of such components as the generator, or electronic control units enter semi-conductor elements which can be put out of action at the wrong connection of wires.

At performance of start of the engine from the external power supply, or charger connection also observe polarity of connection of wires (see. Introduction).

Never disconnect electroconducting from the battery, the generator or the diagnostic equipment at the working engine.

Do not allow a provorachivaniye the engine of the disconnected generator.

At all do not make stock-taking of target tension of the generator by grounding of its plugs.

Do not apply to conductivity stock-taking in a chain the ohmmeters equipped manual dynamo car.

At performance of any works on service of electric equipment watch, that the negative wire was disconnected from the battery.

Before use of electroarc welding without fail disconnect the battery, the generator and such components, as food/ignition ECM systems in order to avoid risk of their damage.