Audi 80/Avant (B4)

Since 1991-1995 of release

Repair and car operation

Audi 80/Avant
+ The description
+ Engines
+ System of release of the fulfilled gases
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and воздухозаборные channels
+ Injection system
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Antiblocking system of brakes
+ Wheels and tyres
+ Kuzovnaja electrosystem
+ Ignition system
+ Illumination
+ Signalling devices
- Devices and auxiliary devices
   Check of indicators and signalling devices
   Elements of a combination of devices
   The indicator of quantity of fuel
   The indicator of temperature of a cooling liquid
   Voltage stabilizer
   Additional devices
   The top indicators in a combination of devices
   The indicator of a cooling liquid
   The indicator of brake system
   The indicator of pressure of oil
   Indicators of indexes of turns
   The bottom indicators
   The indicator of a charge of the storage battery
   The indicator of indexes of turn of the trailer
   The indicator of a pillow of safety
   The indicator of antiblocking system
   The headlight indicator
   The indicator of a lay brake
   Self-examination system
   The ignition lock
   Check of switches
   Buzzer of switching-off of illumination and radio
   Cigar Lighter
   Heating of back glass
   Check of screen wipers and windscreen
   The screen wiper engine
   The list of malfunctions
   Screen wiper of back glass
   The list of malfunctions
   Replenishment of a tank of a washer of glasses
   System of washing of headlights
   The aerial of back glass
   Electric regulation of external rear-view mirrors
   System of locks with the central management
   Electric window raiser
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications


Check of switches


    You can pierce isolation of a cable by means of a control lamp with needle contact and establish, what cables are energised. Choose the electroscheme corresponding to the required switch. At first it is necessary to check up, whether запитаны switches; for this purpose it is necessary to include ignition or illumination some times. Then it is checked, whether spends the switch in corresponding position pressure further on a chain. On an example of the switch of the lock of ignition check looks as follows: To remove a combination of devices that wires became accessible. To connect a wire of a control lamp to "weight". To pierce a control needle isolation of a checked wire. Both thick red wires of the plug 30 should be constantly energised the accumulator. The grey-yellow plug of the R-chain is in rest position the ignition lock energised, at turn of a key food giving stops. The black-yellow wire of plug H is energised exclusively in key position ignition is included; as well as a thin red wire to a buzzer of a parking light and radio. Black wire of the plug 15 запитан in positions ignition is included and "start". The red-black wire of the plug 50 orders of start of a starter of the engine is energised only in position "start".