Audi A4, S4

since 2000 release

Repair and operation of the car



Audi A4, S4
+ Introduction
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
+ Cooling systems, heating and air conditioner
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
- Systems of electric equipment of the engine
   + System of ignition and engine management
   + System of preheat of the diesel engine
   + Diagnostics of systems of electronic control and diagnostic equipment
   - Systems of charging and start
      General information
      The battery - the main data and acquisition of the new battery
      Check and charging of the battery
      Replacement of the battery
      Storage of the battery
      System of charging - general information and security measures
      Check of system of charging
      Removal and installation of the generator
      Removal and installation of the regulator tension/replacement of brushes
      System of start of the engine - the general information and precautionary measures
      Removal and installation of a starter
      Check of system of start of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment






Systems of charging and start

General information

All cars considered in this manual have the electric system working with tension of 12 Century. Connection of weight passes through the negative plug of the battery. The battery is in a luggage carrier.

For start of the engine the starter is used. The switch of a starter is a component of the switch of ignition and at inclusion excites the traction relay installed on a starter.

The lamp of control of charging which is built in a control panel indicates excellent job of electric equipment, so far a battery charge in norm.