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
   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 with the shestitsilidrovy engine with a working volume of 2,8 l and 128 kW
      The four-cylinder engine with a working volume of 1,6 l and 74 kW
      The four-cylinder engine with a working volume of 1,8 l and 92 kW
      The four-cylinder turbo engine with a working volume of 1,8 l and 110 kW
      Additional complete set (A sliding/removable roof with the electric drive)
      Additional complete set (Central lock)
      The central lock / the infrared control unit of anticreeping system with control of salon
      Additional complete set oil temperature Voltmeter/indicator
      Additional complete set Window regulators with the electric drive
   + Accumulator
   + Generator
   + Starter
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics





The four-cylinder engine with a working volume of 1,6 l and 74 kW

Control unit of Motronic system, relay of the fuel pump, measuring instrument of mass of fresh air, lambda probe, injection valves

 

Control unit of Motronic system, detonation sensor, valve of a butterfly valve

 

Control unit of Motronic system, sensor of number of turns of the engine, Hall sensor, ignition coil

 

G39 – a lambda probe
G70 – the measuring instrument of mass of fresh air
J17 – the relay of the fuel pump
J220 – the control unit of Motronic system
N30 – the valve of injection of the cylinder 1
N31 – the valve of injection of the cylinder 2
N32 – the valve of injection of the cylinder 3
N33 – the valve of injection of the cylinder 4
N80 – the 1st electromagician. valve of system of the coal filter
S228 – a safety lock in an arm
S229 – a safety lock in an arm
S234 – a safety lock in an arm
T4y – the shtekerny socket, 4-shtyrkovy, black, in to move. compartment on the right
T6z – the shtekerny socket, 6-shtyrkovy, red, station of connection el. boxes, the moistening box
T10z – the shtekerny socket, 10-shtyrkovy, yellow, station of connection el. boxes, the moistening box
Z19 – heating a lambda probe

D22 – connection with plus (87a – for injection valves) in group of wires in a motive compartment on the right
D23 – connection with plus (87f) in group of wires in dvig. compartment on the right
12 – a weight point, in dvig. compartment at the left

E87 – the module of manual control and the indicator of climatic installation / Climatronic
F125 – the multipurpose switch
G2 – the sensor of temperature of cooling liquid
G61 – a sensor of a detonation 1
G62 – the sensor of temperature of cooling liquid
J189 – system of autocontrol
J217 – the control unit of an automatic transmission
J220 – the control unit of Motronic system
J226 – the relay of blocking of start-up and a lamp of a backing
J338 – the module of management of a butterfly valve
T3p – the shtekerny socket, 3-shtyrkovy, green, in a motive compartment at the left
T6z – the shtekerny socket, 6-shtyrkovy, red, station of connection el. boxes, the moistening box
T10 – the shtekerny socket, 10-shtyrkovy, brown, station of connection el. boxes, the moistening box
T10m – the shtekerny socket, 10-shtyrkovy, black, station of connection el. boxes, moistening korobkat10v – the shtekerny socket, 10-shtyrkovy, brown, the station of sockets on the right, is resistant And
T10x – the shtekerny socket, 10-shtyrkovy, blue, station of sockets on the right, is resistant And
T10y – the shtekerny socket, 10-shtyrkovy, blue, station of connection el. boxes, the moistening box
T10z – the shtekerny socket, 10-shtyrkovy, yellow, station of connection el. boxes, the moistening box

83 – connection weighing-1-, in group of wires ahead on the right

139 – connection with weight (mass of the sensor), in group of wires in a motive compartment on the right

* – cars with an automatic transmission
** – cars with climatic installation
*** – cars with system of autocontrol
* – conducting is not present in cars with climatic installation

D – starter switch
E15 – off the warmed back glass
G28 – the sensor number of turns
G40 – the Hall sensor
J220 – the control unit of Motronic system
J362 – the control unit of system of prevention of departure of the car
N70 – the coil of ignition of the terminal cascade of power 1
O – ignition distributor
P – spark plug socket
Q – spark plugs
S232 – a safety lock in an arm
T3 – the shtekerny socket, 3-shtyrkovy, on the ignition coil
T3m – the shtekerny socket, 3-shtyrkovy,
gray, in a motive compartment at the left
T6z – the shtekerny socket, 6-shtyrkovy, red, station of connection el. boxes, the moistening box
T10 – the shtekerny socket, 10-shtyrkovy, brown, station of connection el. boxes, the moistening box
T10m – the shtekerny socket,
10-shtyrkovy, black, station of connection el. boxes, the moistening box
T10z – the shtekerny socket,
10-shtyrkovy, yellow, station of connection el. boxes, the moistening box
A2 – connection with plus (15), in group of wires raspred. board
A64 – connection (the 30th increase in number of turns), in group of wires of a switchboard
D133 – connection (the Hall sensor signal), in group of wires in a motive compartment
83 – connection weighing-1-, in group of wires