Audi A4

since 1994 release

Repair and operation of the car

A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
+ System of injection
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
- Electrotechnical equipment
   Minus is connected to weight
   The help for orientation in the electrotechnical equipment of the car
   Connections of wires
   Central switching knot
   Support of additional relays
   Box for electronics
   Relay and control units
   Switching relay
   H-contact of the relay of unloading
   Table of the relay and control units
   Safety locks
   Table of safety locks
   + Electric circuits
   + Accumulator
   - Generator
      Generator of alternating current
      Control bulb of charging
      Tension regulator
      The self-help in work with the generator and the regulator of tension
      The movement with the defective generator
      Maple and poliklinovy belt
      Check of a condition of a maple and poliklinovy belt
      Replacement of a maple and poliklinovy belt
      The belt torn maple
      Review: maple and poliklinovy belt
      The help at malfunctions
   + Starter
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics

The help at malfunctions

Accumulator and generator

Its reasons
Your help
A. The red control bulb of charging does not burn at ignition inclusion 1. The accumulator was discharged

2. The accumulator wire broke, are disconnected or plugs of wires were oxidized
3. Defective glow lamp
4. A gap in a wire between the ignition lock, a control bulb of charging and the generator
5. A gap in the wire connected to weight between the generator and the block of the engine
6. Graphite brushes were erased
7. Tension regulator is faulty
8. The generator is faulty
9. After too intensive washing of the engine the moisture which got into it formed the isolating greasing film between
contact rings and graphite brushes

Start the engine an auxiliary wire or tow off the car
Check wires and plugs of the accumulator

Check conductivity a control bulb

Check a wire

Replace graphite brushes
Replace the regulator
Repair the generator in a workshop
If after a short trip there is no improvement, blow the generator compressed air or wipe contact rings and graphite brushes

B. The control bulb of charging burns or smolders at the working engine 1. The belt or defect in a tension roller is weakened poliklinovy
2. Insufficient contact in connecting knots of wires or wires are interrupted
3. See. And 6–8
Replace a belt or check the tension device
Check connection of wires and a wire
C. Accumulator surface the damp 1. The accumulator is crowded
2. Accumulator traffic jams got littered
3. See. And 7
Too large amount of the filled-in distilled water leaves with gases at the expense of excess charging. Do not suck away acid
Clean air vents
D. The accumulator strongly increases speed See. And 7