Audi A4

since 1994 of release

Repair and car operation



A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ exhaust System
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and absorption channels
+ injection System
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
- Electrotechnical equipment
   The minus is connected to weight
   The help for orientation in the electrotechnical equipment of the car
   Wires
   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
      - The general electric circuit of Audi A4 c the shestitsilidrovy engine with working volume of 2,8 l and capacity of 128 kW
         Accumulator, starter, generator of an alternating current
         Control unit multipoint injection, ignition system, injection valves
         Control unit multipoint injection, measuring instrument of a stream of fresh air, butterfly valve potentiometer, Hall sensor, detonation sensors, terminal cascade of capacity of coils of ignition
         Control unit, starter switch
         Lighting
         Safety locks
         Switchboard loose leaf, sensor of speed of movement, fuel stock, fuel pump, switch of pressure of oil
         The switchboard loose leaf, control of cooling liquid
         Switch of the alarm system, switch of indexes of turns
         The switch of screen wipers with прерыв. a mode, systems of washing of glasses, clarifications of the headlights, warmed sprays of washing of glasses
         The door contact switch, salon lamps with the slowed-down switching off, a mirror for a make-up
         Supercharger of fresh air, heating of back glass
      The four-cylinder engine with working volume of 1,6 l and capacity of 74 kW
      The four-cylinder engine with working volume of 1,8 l and capacity of 92 kW
      Four-cylinder turbodvigatel with working volume of 1,8 l and capacity of 110 kW
      Additional complete set (A sliding/demountable roof with the electric drive)
      Additional complete set (The central lock)
      The central lock / the infra-red control unit anticreeping system with salon control
      Additional complete set Voltmeter/indicator of temperature of oil
      Additional complete set Window regulators with the electric drive
   + Accumulator
   + Generator
   + Starter
+ ignition System
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics





Control unit, starter switch

Control unit multipoint injection, sensor of the moment of ignition, number of turns of the engine

The control unit multipoint injection, the relay of the fuel pump, the diagnostic socket, a lambda probes with heating

Switch of a starter, relay of unloading of H-contact

E87 — the module of management and the indicator of climatic installation/Climatronic
G4 – the sensor of the moment of ignition
G28 – the sensor of number of turns of the engine
J104 – the ABS c EDS control unit
J189 – autocontrol system
J192 – the control unit multipoint injection
J217 – the control unit an automatic transmission
T3l – the shtekerny socket, 3-штырьковый, black, in an impellent compartment at the left
T3m – the shtekerny socket, 3-штырьковый, gray, in an impellent compartment at the left
T6g – the shtekerny socket, 6-штырьковый, gray, station of sockets on the right, is resistant And
T6z – the shtekerny socket, 6-штырьковый, red, connection station эл. the boxes, a moistening box
T10 – the shtekerny socket, 10-shtyrkovy, brown, connection station эл. the boxes, a moistening box
A76 – connection (the plug K, diagnostics) on a switchboard of group of wires
D80 – connection with plus (87а – for the electromagnetic valve of the coal filter – system), in group of wires in an impellent compartment
81-connection with weight–1-, on a switchboard of group of wires
T10b – the shtekerny socket, 10-shtyrkovy, orange, station of sockets on the right, is resistant And
T10m – the shtekerny socket, 10-shtyrkovy, black, connection station эл. the boxes, a moistening box
T10x – the shtekerny socket, 10-shtyrkovy, dark blue, station of sockets on the right, is resistant And
T10y – the shtekerny socket, 10-shtyrkovy, dark blue, station of sockets on the right, is resistant And
T10z – the shtekerny socket, 10-shtyrkovy, yellow, connection station эл. the boxes, a moistening box
124-connection with weight, in group of wires in an impellent compartment on the right

* – cars with AKP
** – the wire is absent in cars with climatic installation
*** – c ABS cars
**** – cars with autocontrol system
А21 – connection (86s), in group of wires of a switchboard
E87 – the module of management and the indicator of climatic installation/Climatronic
G2 – the temperature sensor охл. liquids
G39 – a lambda probe
G62 – the temperature sensor охл. liquids
G108 – a lambda probe of II
J17 – the relay of the fuel pump
J104 – the ABS c EDS control unit
J192 – the control unit multipoint injection
J217 – the AKP control unit
J234 – the block of justices. safety cushion
J362 – control units system of prevention of departure of the car
N71 – the valve of stabilization of XX
N80 – the electromagnetic valve I of the coal filter of system
N156 – the valve of register switching of an inlet collector
T4y – the shtekerny socket, 4-штырьковый, black, in an impellent compartment on the right
T4z – the shtekerny socket, 4-штырьковый, black, in an impellent compartment on the right
83-connection with weight–1-, in group of wires ahead on the right
84-connection with weight, mass of the engine, in group of wires ahead on the right
T6z – the shtekerny socket, 6-штырьковый, red, connection station эл. the boxes, a moistening box
T10 – the shtekerny socket, 10-shtyrkovy, brown, connection station эл. the boxes, a moistening box
T10b – the shtekerny socket, 10-shtyrkovy, orange, station of sockets at the left, is resistant And
T10m – the shtekerny socket, 10-shtyrkovy, black, connection station эл. the boxes, a moistening box
T10v – the shtekerny socket, 10-shtyrkovy, brown, station of sockets on the right, is resistant And
T10y – the shtekerny socket, 10-shtyrkovy, dark blue, connection station эл. the boxes, a moistening box
T10z – the shtekerny socket, 10-shtyrkovy, yellow, connection station эл. the boxes, a moistening box
T16 – the shtekerny socket, 16-shtyrkovy, (connection for diagnostics), the average console behind
Z19 – heating a lambda probe
Z28 – heating a lambda probe of II
D–starter switch
J59 – the relay of unloading of H-contact
J362 – the control unit of prevention of departure of the car
R–radio
Т1 – the shtekerny socket, 1-штырьковый
Т10 – shtekerny connection, 10-shtyrkovy, connection station эл. the boxes, a moistening box
Т10f – the shtekerny socket, 10-shtyrkovy, black, the station of sockets on the right, is resistant And
Т10i – the shtekerny socket, 10-shtyrkovy, black, on Wednesdays. конс.
V94 – the engine of the central lock with the control unit for the slowed-down switching off of illumination of salon and anticreeping сигн. installation
А2 – connection with plus (15) in group of wires of a switchboard
А17 – connection (61), in group of wires of a switchboard